Solar Panel Installers Across the UK
Bristol
East Midlands
- North West Leicestershire (B79) — 25 companies
- Hinckley and Bosworth (CV10) — 26 companies
- Hinckley and Bosworth (CV11) — 27 companies
- Hinckley and Bosworth (CV13) — 26 companies
- West Northamptonshire (CV23) — 33 companies
- Hinckley and Bosworth (CV9) — 29 companies
- DE1 — Derby / South Derbyshire (DE1) — 26 companies
- DE11 — North West Leicestershire / South Derbyshire (DE11) — 26 companies
- DE12 — Multiple areas (DE12) — 28 companies
- South Derbyshire (DE13) — 28 companies
- South Derbyshire (DE15) — 27 companies
- DE21 — Amber Valley / Derby / Erewash (DE21) — 28 companies
- DE22 — Amber Valley / Derby (DE22) — 30 companies
- DE23 — Derby / South Derbyshire (DE23) — 27 companies
- DE24 — Derby / South Derbyshire (DE24) — 29 companies
- DE3 — Derby / South Derbyshire (DE3) — 26 companies
- DE4 — Amber Valley / Derbyshire Dales / North East Derbyshire (DE4) — 29 companies
- Derbyshire Dales (DE45) — 29 companies
- Amber Valley (DE5) — 27 companies
- DE55 — Amber Valley / Ashfield / Bolsover / North East Derbyshire (DE55) — 28 companies
- DE56 — Amber Valley / Derbyshire Dales / Erewash (DE56) — 27 companies
- Amber Valley (DE6) — 32 companies
- South Derbyshire (DE65) — 28 companies
- DE7 — Amber Valley / Broxtowe / Erewash (DE7) — 28 companies
- DE72 — Derby / Erewash / North West Leicestershire / South Derbyshire (DE72) — 33 companies
- DE73 — Derby / North West Leicestershire / South Derbyshire (DE73) — 31 companies
- DE74 — Derby / North West Leicestershire / Rushcliffe (DE74) — 26 companies
- DE75 — Amber Valley / Erewash (DE75) — 27 companies
- Derby (DE99) — 27 companies
- Bassetlaw (DN10) — 27 companies
- Bassetlaw (DN11) — 24 companies
- West Lindsey (DN17) — 25 companies
- West Lindsey (DN20) — 24 companies
- West Lindsey (DN21) — 33 companies
- Bassetlaw (DN22) — 25 companies
- East Lindsey (DN36) — 24 companies
- East Lindsey (DN37) — 24 companies
- West Lindsey (DN38) — 25 companies
- West Lindsey (DN39) — 21 companies
- West Lindsey (DN41) — 24 companies
- Bassetlaw (DN9) — 32 companies
- LE1 — Blaby / Leicester (LE1) — 25 companies
- Blaby (LE10) — 27 companies
- Charnwood (LE11) — 25 companies
- LE12 — Charnwood / North West Leicestershire / Rushcliffe (LE12) — 30 companies
- Melton (LE13) — 20 companies
- LE14 — Charnwood / Harborough / Melton / Rushcliffe (LE14) — 31 companies
- LE15 — Harborough / Melton / North Northamptonshire / Rutland (LE15) — 25 companies
- LE16 — Multiple areas (LE16) — 26 companies
- West Northamptonshire (LE17) — 26 companies
- LE18 — Blaby / Oadby and Wigston (LE18) — 27 companies
- Blaby (LE19) — 26 companies
- LE2 — Blaby / Harborough / Leicester / Oadby and Wigston (LE2) — 25 companies
- LE21 — Blaby / Leicester (LE21) — 49 companies
- LE3 — Blaby / Hinckley and Bosworth / Leicester (LE3) — 26 companies
- LE4 — Blaby / Charnwood / Leicester (LE4) — 25 companies
- Blaby (LE41) — 50 companies
- LE5 — Blaby / Charnwood / Harborough / Leicester (LE5) — 24 companies
- Leicester (LE55) — 22 companies
- LE6 — Charnwood / Hinckley and Bosworth (LE6) — 24 companies
- LE65 — North West Leicestershire / South Derbyshire (LE65) — 26 companies
- LE67 — Charnwood / Hinckley and Bosworth / North West Leicestershire (LE67) — 28 companies
- LE7 — Blaby / Charnwood / Harborough / Leicester / Melton (LE7) — 25 companies
- LE8 — Blaby / Harborough / Oadby and Wigston (LE8) — 27 companies
- LE87 — Blaby / Leicester / Oadby and Wigston (LE87) — 25 companies
- LE9 — Blaby / Harborough / Hinckley and Bosworth (LE9) — 28 companies
- Harborough (LE94) — 25 companies
- Blaby (LE95) — 25 companies
- LN1 — Lincoln / Newark and Sherwood / West Lindsey (LN1) — 29 companies
- LN10 — East Lindsey / North Kesteven (LN10) — 22 companies
- East Lindsey (LN11) — 27 companies
- East Lindsey (LN12) — 29 companies
- East Lindsey (LN13) — 28 companies
- LN2 — Lincoln / West Lindsey (LN2) — 25 companies
- LN3 — East Lindsey / Lincoln / North Kesteven / West Lindsey (LN3) — 25 companies
- LN4 — Boston / East Lindsey / Lincoln / North Kesteven (LN4) — 28 companies
- LN5 — Lincoln / North Kesteven (LN5) — 26 companies
- LN6 — Lincoln / Newark and Sherwood / North Kesteven (LN6) — 24 companies
- West Lindsey (LN7) — 27 companies
- East Lindsey (LN8) — 26 companies
- East Lindsey (LN9) — 26 companies
- West Northamptonshire (MK16) — 23 companies
- West Northamptonshire (MK19) — 21 companies
- Nottingham (NG1) — 26 companies
- NG10 — Broxtowe / Erewash / North West Leicestershire (NG10) — 28 companies
- NG11 — Nottingham / Rushcliffe (NG11) — 25 companies
- NG12 — Nottingham / Rushcliffe (NG12) — 26 companies
- NG13 — Multiple areas (NG13) — 23 companies
- NG14 — Gedling / Newark and Sherwood (NG14) — 25 companies
- NG15 — Ashfield / Gedling (NG15) — 26 companies
- NG16 — Amber Valley / Ashfield / Bolsover / Broxtowe (NG16) — 28 companies
- NG17 — Ashfield / Mansfield (NG17) — 29 companies
- NG18 — Ashfield / Mansfield / Newark and Sherwood (NG18) — 27 companies
- NG19 — Ashfield / Bolsover / Mansfield / Newark and Sherwood (NG19) — 25 companies
- NG2 — Broxtowe / Gedling / Nottingham / Rushcliffe (NG2) — 27 companies
- NG20 — Bassetlaw / Bolsover / Mansfield (NG20) — 26 companies
- NG21 — Gedling / Mansfield / Newark and Sherwood (NG21) — 30 companies
- NG22 — Bassetlaw / Newark and Sherwood (NG22) — 32 companies
- NG23 — Multiple areas (NG23) — 29 companies
- Newark and Sherwood (NG24) — 24 companies
- Newark and Sherwood (NG25) — 25 companies
- NG3 — Gedling / Nottingham (NG3) — 24 companies
- South Kesteven (NG31) — 20 companies
- NG32 — Melton / North Kesteven / South Kesteven (NG32) — 26 companies
- NG33 — Melton / South Kesteven (NG33) — 22 companies
- NG34 — North Kesteven / South Kesteven (NG34) — 24 companies
- Gedling (NG4) — 25 companies
- NG5 — Gedling / Nottingham (NG5) — 25 companies
- NG6 — Ashfield / Broxtowe / Gedling / Nottingham (NG6) — 24 companies
- Nottingham (NG7) — 25 companies
- NG8 — Broxtowe / Nottingham (NG8) — 25 companies
- NG80 — Broxtowe / Nottingham / Rushcliffe (NG80) — 25 companies
- NG9 — Broxtowe / Nottingham (NG9) — 27 companies
- NG90 — Broxtowe / Nottingham (NG90) — 25 companies
- West Northamptonshire (NN1) — 24 companies
- North Northamptonshire (NN10) — 27 companies
- West Northamptonshire (NN11) — 31 companies
- West Northamptonshire (NN12) — 22 companies
- West Northamptonshire (NN13) — 27 companies
- North Northamptonshire (NN14) — 31 companies
- North Northamptonshire (NN15) — 26 companies
- North Northamptonshire (NN16) — 25 companies
- North Northamptonshire (NN17) — 23 companies
- North Northamptonshire (NN18) — 23 companies
- West Northamptonshire (NN2) — 24 companies
- North Northamptonshire (NN29) — 28 companies
- NN3 — North Northamptonshire / West Northamptonshire (NN3) — 26 companies
- West Northamptonshire (NN4) — 24 companies
- West Northamptonshire (NN5) — 25 companies
- NN6 — Harborough / North Northamptonshire / West Northamptonshire (NN6) — 29 companies
- North Northamptonshire (NN7) — 32 companies
- North Northamptonshire (NN8) — 25 companies
- North Northamptonshire (NN9) — 25 companies
- West Northamptonshire (OX17) — 28 companies
- West Northamptonshire (OX27) — 28 companies
- PE10 — South Holland / South Kesteven (PE10) — 22 companies
- PE11 — South Holland / South Kesteven (PE11) — 24 companies
- Boston (PE12) — 27 companies
- South Holland (PE13) — 28 companies
- South Holland (PE14) — 31 companies
- PE20 — Boston / North Kesteven / South Holland (PE20) — 25 companies
- Boston (PE21) — 24 companies
- PE22 — Boston / East Lindsey (PE22) — 31 companies
- East Lindsey (PE23) — 26 companies
- East Lindsey (PE24) — 28 companies
- East Lindsey (PE25) — 28 companies
- South Holland (PE34) — 30 companies
- South Holland (PE6) — 23 companies
- North Northamptonshire (PE8) — 28 companies
- Rutland (PE9) — 23 companies
- Derbyshire Dales (S11) — 29 companies
- North East Derbyshire (S12) — 29 companies
- North East Derbyshire (S17) — 30 companies
- North East Derbyshire (S18) — 26 companies
- S21 — Bolsover / Chesterfield / North East Derbyshire (S21) — 24 companies
- Derbyshire Dales (S32) — 33 companies
- S33 — Derbyshire Dales / High Peak (S33) — 30 companies
- S40 — Chesterfield / North East Derbyshire (S40) — 26 companies
- S41 — Chesterfield / North East Derbyshire (S41) — 29 companies
- S42 — Bolsover / Chesterfield / Derbyshire Dales / North East Derbyshire (S42) — 31 companies
- S43 — Bolsover / Chesterfield / North East Derbyshire (S43) — 30 companies
- S44 — Bolsover / Chesterfield / North East Derbyshire (S44) — 26 companies
- S45 — Bolsover / North East Derbyshire (S45) — 25 companies
- Chesterfield (S49) — 24 companies
- North East Derbyshire (S8) — 30 companies
- Bolsover (S80) — 24 companies
- Bassetlaw (S81) — 23 companies
- High Peak (SK13) — 32 companies
- High Peak (SK14) — 32 companies
- Derbyshire Dales (SK17) — 30 companies
- High Peak (SK22) — 33 companies
- High Peak (SK23) — 33 companies
- Derbyshire Dales (ST14) — 23 companies
East of England
- St Albans (AL1) — 25 companies
- Welwyn Hatfield (AL10) — 22 companies
- AL2 — Hertsmere / St Albans (AL2) — 23 companies
- AL3 — Central Bedfordshire / Dacorum / St Albans (AL3) — 24 companies
- AL4 — Hertsmere / North Hertfordshire / St Albans / Welwyn Hatfield (AL4) — 25 companies
- AL5 — Central Bedfordshire / St Albans (AL5) — 24 companies
- AL6 — Multiple areas (AL6) — 25 companies
- Welwyn Hatfield (AL7) — 24 companies
- Welwyn Hatfield (AL8) — 21 companies
- AL9 — East Hertfordshire / Welwyn Hatfield (AL9) — 22 companies
- Cambridge (CB1) — 28 companies
- CB10 — South Cambridgeshire / Uttlesford (CB10) — 27 companies
- Uttlesford (CB11) — 27 companies
- CB2 — Cambridge / South Cambridgeshire (CB2) — 29 companies
- CB21 — Cambridge / South Cambridgeshire / Uttlesford (CB21) — 31 companies
- CB22 — Cambridge / South Cambridgeshire (CB22) — 29 companies
- CB23 — Cambridge / South Cambridgeshire (CB23) — 33 companies
- CB24 — Cambridge / South Cambridgeshire (CB24) — 33 companies
- CB25 — East Cambridgeshire / South Cambridgeshire (CB25) — 36 companies
- CB3 — Cambridge / South Cambridgeshire (CB3) — 28 companies
- CB4 — Cambridge / South Cambridgeshire (CB4) — 29 companies
- CB5 — Cambridge / South Cambridgeshire (CB5) — 29 companies
- CB6 — East Cambridgeshire / Fenland / King's Lynn and West Norfolk (CB6) — 34 companies
- CB7 — East Cambridgeshire / West Suffolk (CB7) — 30 companies
- CB8 — East Cambridgeshire / South Cambridgeshire / West Suffolk (CB8) — 33 companies
- CB9 — Braintree / West Suffolk (CB9) — 29 companies
- Maldon (CM0) — 33 companies
- CM1 — Chelmsford / Uttlesford (CM1) — 35 companies
- CM11 — Basildon / Chelmsford (CM11) — 34 companies
- CM12 — Basildon / Brentwood (CM12) — 37 companies
- Thurrock (CM13) — 38 companies
- Brentwood (CM14) — 34 companies
- CM15 — Brentwood / Epping Forest (CM15) — 33 companies
- Epping Forest (CM16) — 33 companies
- CM17 — Epping Forest / Harlow / Uttlesford (CM17) — 29 companies
- CM18 — Epping Forest / Harlow (CM18) — 26 companies
- CM19 — East Hertfordshire / Epping Forest / Harlow (CM19) — 27 companies
- Chelmsford (CM2) — 30 companies
- CM20 — East Hertfordshire / Harlow (CM20) — 28 companies
- CM21 — East Hertfordshire / Epping Forest (CM21) — 27 companies
- CM22 — East Hertfordshire / Epping Forest / Uttlesford (CM22) — 34 companies
- CM23 — East Hertfordshire / Uttlesford (CM23) — 28 companies
- Uttlesford (CM24) — 29 companies
- CM3 — Braintree / Chelmsford / Maldon / Uttlesford (CM3) — 37 companies
- CM4 — Basildon / Brentwood / Chelmsford / Epping Forest (CM4) — 37 companies
- CM5 — Brentwood / Chelmsford / Epping Forest / Uttlesford (CM5) — 32 companies
- CM6 — Braintree / Chelmsford / Uttlesford (CM6) — 30 companies
- CM7 — Braintree / Uttlesford (CM7) — 34 companies
- CM77 — Braintree / Chelmsford / Uttlesford (CM77) — 30 companies
- CM8 — Braintree / Maldon (CM8) — 30 companies
- CM9 — Braintree / Colchester / Maldon (CM9) — 29 companies
- Harlow (CM92) — 24 companies
- Chelmsford (CM98) — 29 companies
- Chelmsford (CM99) — 30 companies
- Colchester (CO1) — 27 companies
- CO10 — Babergh / Braintree / West Suffolk (CO10) — 28 companies
- CO11 — Babergh / Tendring (CO11) — 31 companies
- Tendring (CO12) — 25 companies
- Tendring (CO13) — 26 companies
- Tendring (CO14) — 26 companies
- Tendring (CO15) — 27 companies
- Tendring (CO16) — 27 companies
- Colchester (CO2) — 29 companies
- Colchester (CO3) — 27 companies
- CO4 — Colchester / Tendring (CO4) — 27 companies
- CO5 — Braintree / Colchester / Maldon (CO5) — 31 companies
- CO6 — Babergh / Braintree / Colchester (CO6) — 29 companies
- CO7 — Babergh / Colchester / Tendring (CO7) — 30 companies
- CO8 — Babergh / Braintree / Colchester (CO8) — 26 companies
- Braintree (CO9) — 26 companies
- Epping Forest (E4) — 28 companies
- EN10 — Broxbourne / East Hertfordshire / Epping Forest (EN10) — 24 companies
- EN11 — Broxbourne / East Hertfordshire / Epping Forest (EN11) — 24 companies
- Welwyn Hatfield (EN2) — 25 companies
- Hertsmere (EN4) — 23 companies
- Hertsmere (EN5) — 23 companies
- Broxbourne (EN6) — 23 companies
- Broxbourne (EN7) — 27 companies
- Epping Forest (EN8) — 25 companies
- Epping Forest (EN9) — 28 companies
- Three Rivers (HA5) — 20 companies
- Three Rivers (HA6) — 18 companies
- Hertsmere (HA7) — 22 companies
- Dacorum (HP1) — 24 companies
- HP2 — Dacorum / St Albans (HP2) — 24 companies
- Dacorum (HP23) — 24 companies
- HP3 — Dacorum / St Albans / Three Rivers (HP3) — 26 companies
- Central Bedfordshire (HP4) — 21 companies
- Dacorum (HP5) — 24 companies
- Three Rivers (HP8) — 24 companies
- Epping Forest (IG10) — 29 companies
- Epping Forest (IG7) — 28 companies
- Epping Forest (IG8) — 31 companies
- Epping Forest (IG9) — 29 companies
- IP1 — Babergh / Ipswich / Mid Suffolk (IP1) — 29 companies
- IP10 — East Suffolk / Ipswich (IP10) — 29 companies
- East Suffolk (IP11) — 27 companies
- East Suffolk (IP12) — 30 companies
- IP13 — East Suffolk / Mid Suffolk (IP13) — 32 companies
- Mid Suffolk (IP14) — 30 companies
- East Suffolk (IP15) — 28 companies
- East Suffolk (IP16) — 28 companies
- East Suffolk (IP17) — 28 companies
- East Suffolk (IP18) — 26 companies
- IP19 — East Suffolk / Mid Suffolk (IP19) — 29 companies
- IP2 — Babergh / Ipswich (IP2) — 29 companies
- IP20 — East Suffolk / Mid Suffolk / South Norfolk (IP20) — 27 companies
- IP21 — Mid Suffolk / South Norfolk (IP21) — 28 companies
- IP22 — Breckland / Mid Suffolk / South Norfolk / West Suffolk (IP22) — 29 companies
- IP23 — Mid Suffolk / South Norfolk (IP23) — 30 companies
- IP24 — Breckland / West Suffolk (IP24) — 28 companies
- Breckland (IP25) — 31 companies
- IP26 — Breckland / King's Lynn and West Norfolk (IP26) — 32 companies
- IP27 — Breckland / King's Lynn and West Norfolk / West Suffolk (IP27) — 30 companies
- IP28 — East Cambridgeshire / West Suffolk (IP28) — 31 companies
- IP29 — Babergh / West Suffolk (IP29) — 30 companies
- IP3 — East Suffolk / Ipswich (IP3) — 29 companies
- IP30 — Babergh / Mid Suffolk / West Suffolk (IP30) — 29 companies
- IP31 — Mid Suffolk / West Suffolk (IP31) — 28 companies
- West Suffolk (IP32) — 28 companies
- West Suffolk (IP33) — 28 companies
- IP4 — East Suffolk / Ipswich (IP4) — 30 companies
- IP5 — East Suffolk / Ipswich (IP5) — 31 companies
- IP6 — East Suffolk / Ipswich / Mid Suffolk (IP6) — 30 companies
- IP7 — Babergh / Mid Suffolk (IP7) — 31 companies
- IP8 — Babergh / Ipswich / Mid Suffolk (IP8) — 29 companies
- IP9 — Babergh / Ipswich (IP9) — 30 companies
- South Norfolk (IP98) — 27 companies
- LU1 — Central Bedfordshire / Dacorum / Luton (LU1) — 24 companies
- LU2 — Central Bedfordshire / Luton / North Hertfordshire / St Albans (LU2) — 25 companies
- LU3 — Central Bedfordshire / Luton (LU3) — 25 companies
- LU4 — Central Bedfordshire / Luton (LU4) — 23 companies
- Central Bedfordshire (LU5) — 23 companies
- Central Bedfordshire (LU6) — 26 companies
- Central Bedfordshire (LU7) — 20 companies
- Central Bedfordshire (MK17) — 22 companies
- Bedford (MK40) — 28 companies
- Bedford (MK41) — 29 companies
- MK42 — Bedford / Central Bedfordshire (MK42) — 28 companies
- Bedford (MK43) — 29 companies
- MK44 — Bedford / Central Bedfordshire / Huntingdonshire (MK44) — 28 companies
- MK45 — Bedford / Central Bedfordshire (MK45) — 25 companies
- NR1 — Broadland / Norwich / South Norfolk (NR1) — 32 companies
- NR10 — Broadland / North Norfolk (NR10) — 33 companies
- NR11 — Broadland / North Norfolk (NR11) — 31 companies
- NR12 — Broadland / North Norfolk (NR12) — 31 companies
- NR13 — Broadland / Great Yarmouth (NR13) — 31 companies
- NR14 — Broadland / South Norfolk (NR14) — 31 companies
- South Norfolk (NR15) — 30 companies
- NR16 — Breckland / South Norfolk (NR16) — 31 companies
- Breckland (NR17) — 32 companies
- South Norfolk (NR18) — 32 companies
- Breckland (NR19) — 32 companies
- NR2 — Broadland / Norwich (NR2) — 32 companies
- NR20 — Breckland / Broadland / North Norfolk / South Norfolk (NR20) — 33 companies
- NR21 — Breckland / King's Lynn and West Norfolk / North Norfolk (NR21) — 31 companies
- NR22 — King's Lynn and West Norfolk / North Norfolk (NR22) — 29 companies
- NR23 — King's Lynn and West Norfolk / North Norfolk (NR23) — 30 companies
- North Norfolk (NR24) — 32 companies
- North Norfolk (NR25) — 33 companies
- North Norfolk (NR26) — 31 companies
- North Norfolk (NR27) — 32 companies
- North Norfolk (NR28) — 31 companies
- NR29 — Great Yarmouth / North Norfolk (NR29) — 29 companies
- NR3 — Broadland / Norwich (NR3) — 33 companies
- NR30 — Broadland / Great Yarmouth (NR30) — 27 companies
- NR31 — East Suffolk / Great Yarmouth / South Norfolk (NR31) — 29 companies
- East Suffolk (NR32) — 25 companies
- East Suffolk (NR33) — 27 companies
- NR34 — East Suffolk / South Norfolk (NR34) — 28 companies
- NR35 — East Suffolk / South Norfolk (NR35) — 29 companies
- NR4 — Broadland / Norwich / South Norfolk (NR4) — 33 companies
- NR5 — Broadland / Norwich / South Norfolk (NR5) — 32 companies
- NR6 — Broadland / Norwich (NR6) — 32 companies
- NR7 — Broadland / Norwich (NR7) — 32 companies
- NR8 — Broadland / South Norfolk (NR8) — 31 companies
- NR9 — Breckland / Broadland / South Norfolk (NR9) — 35 companies
- Norwich (NR99) — 32 companies
- Peterborough (PE1) — 24 companies
- PE15 — Fenland / Huntingdonshire (PE15) — 24 companies
- PE16 — Fenland / Huntingdonshire (PE16) — 28 companies
- PE19 — Multiple areas (PE19) — 27 companies
- PE2 — Huntingdonshire / Peterborough (PE2) — 22 companies
- PE26 — Fenland / Huntingdonshire (PE26) — 24 companies
- Huntingdonshire (PE27) — 26 companies
- PE28 — Multiple areas (PE28) — 35 companies
- Huntingdonshire (PE29) — 27 companies
- Peterborough (PE3) — 23 companies
- King's Lynn and West Norfolk (PE30) — 27 companies
- PE31 — King's Lynn and West Norfolk / North Norfolk (PE31) — 31 companies
- PE32 — Breckland / King's Lynn and West Norfolk (PE32) — 33 companies
- PE33 — Breckland / King's Lynn and West Norfolk (PE33) — 32 companies
- King's Lynn and West Norfolk (PE35) — 26 companies
- King's Lynn and West Norfolk (PE36) — 29 companies
- Breckland (PE37) — 30 companies
- PE38 — East Cambridgeshire / King's Lynn and West Norfolk (PE38) — 29 companies
- Peterborough (PE4) — 23 companies
- Peterborough (PE5) — 23 companies
- PE7 — Fenland / Huntingdonshire / Peterborough (PE7) — 25 companies
- Thurrock (RM14) — 36 companies
- Thurrock (RM15) — 29 companies
- Thurrock (RM16) — 32 companies
- Thurrock (RM17) — 29 companies
- Thurrock (RM18) — 28 companies
- Thurrock (RM19) — 30 companies
- Thurrock (RM20) — 29 companies
- Brentwood (RM4) — 35 companies
- SG1 — North Hertfordshire / Stevenage (SG1) — 23 companies
- East Hertfordshire (SG10) — 25 companies
- East Hertfordshire (SG11) — 26 companies
- East Hertfordshire (SG12) — 28 companies
- SG13 — Broxbourne / East Hertfordshire / Welwyn Hatfield (SG13) — 23 companies
- East Hertfordshire (SG14) — 24 companies
- Central Bedfordshire (SG15) — 23 companies
- SG16 — Central Bedfordshire / North Hertfordshire (SG16) — 24 companies
- Central Bedfordshire (SG17) — 24 companies
- Central Bedfordshire (SG18) — 28 companies
- SG19 — Central Bedfordshire / Huntingdonshire / South Cambridgeshire (SG19) — 29 companies
- SG2 — East Hertfordshire / North Hertfordshire / Stevenage (SG2) — 24 companies
- SG3 — East Hertfordshire / North Hertfordshire / Welwyn Hatfield (SG3) — 24 companies
- SG4 — North Hertfordshire / Stevenage / Welwyn Hatfield (SG4) — 24 companies
- SG5 — Central Bedfordshire / North Hertfordshire / Stevenage (SG5) — 26 companies
- SG6 — Central Bedfordshire / North Hertfordshire (SG6) — 24 companies
- SG7 — Central Bedfordshire / North Hertfordshire / South Cambridgeshire (SG7) — 22 companies
- SG8 — Multiple areas (SG8) — 28 companies
- SG9 — East Hertfordshire / North Hertfordshire (SG9) — 22 companies
- Three Rivers (SL9) — 22 companies
- Southend-on-Sea (SS0) — 26 companies
- Southend-on-Sea (SS1) — 25 companies
- SS11 — Basildon / Chelmsford / Rochford (SS11) — 33 companies
- Basildon (SS12) — 31 companies
- Basildon (SS13) — 31 companies
- Basildon (SS14) — 30 companies
- Basildon (SS15) — 30 companies
- SS16 — Basildon / Thurrock (SS16) — 33 companies
- SS17 — Basildon / Thurrock (SS17) — 30 companies
- SS2 — Rochford / Southend-on-Sea (SS2) — 26 companies
- Southend-on-Sea (SS22) — 26 companies
- SS3 — Rochford / Southend-on-Sea (SS3) — 25 companies
- Rochford (SS4) — 29 companies
- Rochford (SS5) — 31 companies
- SS6 — Basildon / Castle Point / Rochford (SS6) — 30 companies
- SS7 — Basildon / Castle Point (SS7) — 30 companies
- Castle Point (SS8) — 26 companies
- SS9 — Castle Point / Rochford / Southend-on-Sea (SS9) — 27 companies
- Southend-on-Sea (SS99) — 26 companies
- Three Rivers (UB9) — 24 companies
- Watford (WD17) — 23 companies
- WD18 — Three Rivers / Watford (WD18) — 21 companies
- WD19 — Hertsmere / Three Rivers / Watford (WD19) — 21 companies
- Hertsmere (WD23) — 21 companies
- Watford (WD24) — 24 companies
- WD25 — Hertsmere / St Albans / Three Rivers / Watford (WD25) — 25 companies
- Three Rivers (WD3) — 24 companies
- WD4 — Dacorum / Three Rivers / Watford (WD4) — 26 companies
- WD5 — St Albans / Three Rivers / Watford (WD5) — 22 companies
- Hertsmere (WD6) — 23 companies
- WD7 — Hertsmere / St Albans (WD7) — 24 companies
- Watford (WD99) — 21 companies
Greater London
Greater Manchester
London
- BR1 — Bromley / Lewisham (BR1) — 35 companies
- Bromley (BR2) — 31 companies
- BR3 — Bromley / Croydon / Lewisham (BR3) — 29 companies
- Bromley (BR4) — 30 companies
- Bromley (BR5) — 32 companies
- Bromley (BR6) — 31 companies
- BR7 — Bromley / Greenwich (BR7) — 30 companies
- Bromley (BR8) — 31 companies
- CR0 — Croydon / Sutton (CR0) — 30 companies
- Croydon (CR2) — 31 companies
- Croydon (CR3) — 30 companies
- CR4 — Croydon / Lambeth / Merton / Sutton (CR4) — 30 companies
- Sutton (CR44) — 22 companies
- Croydon (CR5) — 31 companies
- Bromley (CR6) — 28 companies
- CR7 — Croydon / Merton (CR7) — 30 companies
- Croydon (CR8) — 30 companies
- CR9 — Croydon / Sutton (CR9) — 31 companies
- Croydon (CR90) — 51 companies
- Bexley (DA1) — 33 companies
- Bexley (DA14) — 30 companies
- DA15 — Bexley / Greenwich (DA15) — 31 companies
- DA16 — Bexley / Greenwich (DA16) — 33 companies
- Bexley (DA17) — 33 companies
- Bexley (DA18) — 32 companies
- Bexley (DA5) — 31 companies
- Bexley (DA6) — 32 companies
- Bexley (DA7) — 33 companies
- Bexley (DA8) — 32 companies
- Waltham Forest (E10) — 28 companies
- E11 — Redbridge / Waltham Forest (E11) — 30 companies
- E12 — Newham / Redbridge (E12) — 30 companies
- Newham (E13) — 31 companies
- Tower Hamlets (E14) — 31 companies
- E15 — Hackney / Newham / Tower Hamlets / Waltham Forest (E15) — 32 companies
- Newham (E16) — 37 companies
- Waltham Forest (E17) — 30 companies
- Redbridge (E18) — 29 companies
- Tower Hamlets (E1W) — 31 companies
- E2 — Hackney / Tower Hamlets (E2) — 25 companies
- E20 — Hackney / Newham / Tower Hamlets / Waltham Forest (E20) — 30 companies
- E3 — Newham / Tower Hamlets (E3) — 31 companies
- E5 — Hackney / Waltham Forest (E5) — 28 companies
- Newham (E6) — 31 companies
- E7 — Newham / Redbridge / Waltham Forest (E7) — 31 companies
- E8 — Hackney / Islington / Tower Hamlets (E8) — 26 companies
- E9 — Hackney / Tower Hamlets (E9) — 29 companies
- Tower Hamlets (E98) — 27 companies
- EC1A — City of London / Islington (EC1A) — 24 companies
- EC1M — Camden / City of London / Islington (EC1M) — 24 companies
- EC1N — Camden / City of London (EC1N) — 24 companies
- Islington (EC1P) — 46 companies
- EC1R — Camden / Islington (EC1R) — 24 companies
- EC1V — Hackney / Islington (EC1V) — 24 companies
- EC1Y — City of London / Islington (EC1Y) — 25 companies
- EC2A — City of London / Hackney / Islington (EC2A) — 26 companies
- EC2M — City of London / Hackney / Islington / Tower Hamlets (EC2M) — 25 companies
- EC2N — City of London / Islington (EC2N) — 25 companies
- EC2P — City of London / Islington (EC2P) — 24 companies
- EC2R — City of London / Islington (EC2R) — 25 companies
- EC2V — City of London / Islington (EC2V) — 25 companies
- EC2Y — City of London / Islington (EC2Y) — 25 companies
- EC3A — City of London / Islington (EC3A) — 25 companies
- City of London (EC3M) — 25 companies
- EC3N — City of London / Tower Hamlets (EC3N) — 25 companies
- EC3P — City of London / Islington (EC3P) — 46 companies
- EC3R — City of London / Islington (EC3R) — 25 companies
- EC3V — City of London / Islington (EC3V) — 25 companies
- EC4A — City of London / Islington / Westminster (EC4A) — 24 companies
- EC4M — City of London / Islington (EC4M) — 25 companies
- EC4N — City of London / Islington (EC4N) — 25 companies
- Islington (EC4P) — 24 companies
- EC4R — City of London / Islington (EC4R) — 25 companies
- EC4V — City of London / Islington (EC4V) — 25 companies
- EC4Y — City of London / Islington / Westminster (EC4Y) — 24 companies
- Enfield (EN1) — 27 companies
- Enfield (EN3) — 26 companies
- HA0 — Brent / Ealing (HA0) — 22 companies
- HA1 — Brent / Harrow (HA1) — 21 companies
- Harrow (HA2) — 21 companies
- HA3 — Brent / Harrow (HA3) — 21 companies
- HA4 — Harrow / Hillingdon (HA4) — 21 companies
- HA8 — Barnet / Brent / Harrow (HA8) — 23 companies
- Brent (HA9) — 22 companies
- Redbridge (IG1) — 32 companies
- IG11 — Barking and Dagenham / Newham / Redbridge (IG11) — 30 companies
- Redbridge (IG2) — 31 companies
- Redbridge (IG3) — 29 companies
- Redbridge (IG4) — 30 companies
- Redbridge (IG5) — 29 companies
- Redbridge (IG6) — 31 companies
- KT1 — Kingston upon Thames / Richmond upon Thames (KT1) — 19 companies
- Sutton (KT17) — 23 companies
- Kingston upon Thames (KT18) — 21 companies
- Kingston upon Thames (KT19) — 25 companies
- KT2 — Kingston upon Thames / Richmond upon Thames (KT2) — 21 companies
- Kingston upon Thames (KT22) — 26 companies
- KT3 — Kingston upon Thames / Merton (KT3) — 26 companies
- Kingston upon Thames (KT4) — 24 companies
- Kingston upon Thames (KT5) — 23 companies
- Kingston upon Thames (KT6) — 22 companies
- Kingston upon Thames (KT7) — 19 companies
- Richmond upon Thames (KT8) — 20 companies
- Kingston upon Thames (KT9) — 24 companies
- N1 — Camden / Hackney / Islington (N1) — 27 companies
- N10 — Barnet / Haringey (N10) — 25 companies
- N11 — Barnet / Enfield / Haringey (N11) — 24 companies
- Barnet (N12) — 22 companies
- N13 — Enfield / Haringey (N13) — 25 companies
- N14 — Barnet / Enfield (N14) — 22 companies
- N15 — Hackney / Haringey / Islington (N15) — 28 companies
- N16 — Hackney / Islington (N16) — 27 companies
- N17 — Enfield / Haringey / Waltham Forest (N17) — 29 companies
- N18 — Enfield / Haringey (N18) — 28 companies
- N19 — Camden / Islington (N19) — 25 companies
- Camden (N1C) — 24 companies
- Islington (N1P) — 25 companies
- N2 — Barnet / Haringey (N2) — 24 companies
- Barnet (N20) — 24 companies
- Enfield (N21) — 26 companies
- N22 — Enfield / Haringey (N22) — 26 companies
- Barnet (N3) — 23 companies
- N4 — Hackney / Haringey / Islington (N4) — 27 companies
- N5 — Hackney / Islington (N5) — 27 companies
- N6 — Barnet / Camden / Haringey / Islington (N6) — 25 companies
- N7 — Camden / Islington (N7) — 28 companies
- N8 — Brent / Haringey / Islington (N8) — 26 companies
- N81 — Haringey / Newham (N81) — 36 companies
- Enfield (N9) — 26 companies
- NW1 — Camden / Westminster (NW1) — 26 companies
- NW10 — Brent / Ealing / Hammersmith and Fulham (NW10) — 25 companies
- Barnet (NW11) — 23 companies
- Camden (NW1W) — 24 companies
- NW2 — Barnet / Brent / Camden (NW2) — 25 companies
- Brent (NW26) — 44 companies
- NW3 — Barnet / Camden (NW3) — 24 companies
- Barnet (NW4) — 22 companies
- NW5 — Camden / Islington (NW5) — 28 companies
- NW6 — Brent / Camden / Westminster (NW6) — 25 companies
- Barnet (NW7) — 25 companies
- NW8 — Brent / Camden / Westminster (NW8) — 26 companies
- NW9 — Barnet / Brent / Harrow (NW9) — 23 companies
- Havering (RM1) — 33 companies
- Barking and Dagenham (RM10) — 32 companies
- Havering (RM11) — 34 companies
- Havering (RM12) — 33 companies
- Havering (RM13) — 32 companies
- Havering (RM2) — 32 companies
- Havering (RM3) — 32 companies
- RM5 — Barking and Dagenham / Havering / Redbridge (RM5) — 31 companies
- RM6 — Barking and Dagenham / Redbridge (RM6) — 32 companies
- RM7 — Barking and Dagenham / Havering (RM7) — 33 companies
- RM8 — Barking and Dagenham / Redbridge (RM8) — 31 companies
- RM9 — Barking and Dagenham / Havering (RM9) — 33 companies
- SE1 — Lambeth / Southwark (SE1) — 26 companies
- SE10 — Greenwich / Lewisham (SE10) — 31 companies
- SE11 — Lambeth / Southwark (SE11) — 27 companies
- SE12 — Bromley / Greenwich / Lewisham (SE12) — 34 companies
- SE13 — Greenwich / Lewisham (SE13) — 32 companies
- SE14 — Lewisham / Southwark (SE14) — 30 companies
- SE15 — Lewisham / Southwark (SE15) — 29 companies
- SE16 — Lewisham / Southwark (SE16) — 28 companies
- Southwark (SE17) — 26 companies
- Greenwich (SE18) — 36 companies
- SE19 — Bromley / Croydon / Lambeth / Southwark (SE19) — 29 companies
- Southwark (SE1P) — 26 companies
- SE2 — Bexley / Greenwich (SE2) — 33 companies
- Bromley (SE20) — 29 companies
- SE21 — Lambeth / Southwark (SE21) — 32 companies
- Southwark (SE22) — 52 companies
- SE23 — Lewisham / Southwark (SE23) — 32 companies
- SE24 — Lambeth / Southwark (SE24) — 29 companies
- Croydon (SE25) — 30 companies
- SE26 — Bromley / Lewisham / Southwark (SE26) — 30 companies
- Lambeth (SE27) — 31 companies
- SE28 — Bexley / Greenwich (SE28) — 37 companies
- SE3 — Greenwich / Lewisham (SE3) — 34 companies
- SE4 — Lewisham / Southwark (SE4) — 29 companies
- SE5 — Lambeth / Southwark (SE5) — 29 companies
- Lewisham (SE6) — 32 companies
- Greenwich (SE7) — 34 companies
- SE8 — Greenwich / Lewisham / Southwark (SE8) — 30 companies
- SE9 — Bexley / Bromley / Greenwich / Lewisham (SE9) — 37 companies
- Sutton (SM1) — 27 companies
- Sutton (SM2) — 28 companies
- Merton (SM3) — 26 companies
- SM4 — Merton / Sutton (SM4) — 28 companies
- Sutton (SM5) — 31 companies
- Sutton (SM6) — 30 companies
- Sutton (SM7) — 25 companies
- SW10 — Hammersmith and Fulham / Kensington and Chelsea (SW10) — 27 companies
- Wandsworth (SW11) — 30 companies
- SW12 — Lambeth / Wandsworth (SW12) — 28 companies
- Richmond upon Thames (SW13) — 21 companies
- Richmond upon Thames (SW14) — 23 companies
- SW15 — Kingston upon Thames / Richmond upon Thames / Wandsworth (SW15) — 25 companies
- SW16 — Croydon / Lambeth / Merton / Wandsworth (SW16) — 32 companies
- SW17 — Merton / Wandsworth (SW17) — 30 companies
- SW18 — Merton / Wandsworth (SW18) — 26 companies
- SW19 — Merton / Wandsworth (SW19) — 29 companies
- Westminster (SW1A) — 25 companies
- SW1E — Wandsworth / Westminster (SW1E) — 24 companies
- SW1H — Wandsworth / Westminster (SW1H) — 25 companies
- SW1P — Wandsworth / Westminster (SW1P) — 27 companies
- SW1V — Wandsworth / Westminster (SW1V) — 26 companies
- SW1W — Kensington and Chelsea / Wandsworth / Westminster (SW1W) — 26 companies
- SW1X — Kensington and Chelsea / Wandsworth / Westminster (SW1X) — 25 companies
- SW1Y — Wandsworth / Westminster (SW1Y) — 24 companies
- Lambeth (SW2) — 29 companies
- SW20 — Kingston upon Thames / Merton (SW20) — 25 companies
- SW3 — Kensington and Chelsea / Lambeth / Westminster (SW3) — 25 companies
- SW4 — Lambeth / Wandsworth (SW4) — 30 companies
- Kensington and Chelsea (SW5) — 24 companies
- Hammersmith and Fulham (SW6) — 25 companies
- SW7 — Kensington and Chelsea / Westminster (SW7) — 24 companies
- SW8 — Lambeth / Wandsworth (SW8) — 26 companies
- Lambeth (SW9) — 29 companies
- SW95 — Lambeth / Wandsworth (SW95) — 26 companies
- Bromley (TN14) — 34 companies
- Bromley (TN16) — 30 companies
- TW1 — Hounslow / Richmond upon Thames (TW1) — 21 companies
- TW10 — Kingston upon Thames / Richmond upon Thames (TW10) — 22 companies
- Richmond upon Thames (TW11) — 22 companies
- Richmond upon Thames (TW12) — 23 companies
- TW13 — Hounslow / Richmond upon Thames (TW13) — 22 companies
- Hillingdon (TW14) — 21 companies
- Hounslow (TW15) — 21 companies
- Hillingdon (TW19) — 22 companies
- TW2 — Hounslow / Richmond upon Thames (TW2) — 23 companies
- TW3 — Hounslow / Richmond upon Thames (TW3) — 22 companies
- TW4 — Hounslow / Richmond upon Thames (TW4) — 22 companies
- Hounslow (TW5) — 23 companies
- Hillingdon (TW6) — 22 companies
- TW7 — Hounslow / Richmond upon Thames (TW7) — 22 companies
- TW8 — Ealing / Hounslow (TW8) — 21 companies
- Richmond upon Thames (TW9) — 21 companies
- UB1 — Ealing / Hillingdon (UB1) — 20 companies
- Hillingdon (UB10) — 21 companies
- Hillingdon (UB11) — 20 companies
- Ealing (UB18) — 17 companies
- UB2 — Ealing / Hillingdon / Hounslow (UB2) — 20 companies
- Hillingdon (UB3) — 22 companies
- Hillingdon (UB4) — 22 companies
- UB5 — Ealing / Harrow / Hillingdon (UB5) — 21 companies
- UB6 — Ealing / Harrow (UB6) — 22 companies
- Hillingdon (UB7) — 22 companies
- Hillingdon (UB8) — 21 companies
- W10 — Multiple areas (W10) — 25 companies
- W11 — Multiple areas (W11) — 25 companies
- W12 — Ealing / Hammersmith and Fulham (W12) — 23 companies
- Ealing (W13) — 21 companies
- W14 — Hammersmith and Fulham / Kensington and Chelsea (W14) — 25 companies
- W1A — Islington / Westminster (W1A) — 24 companies
- Westminster (W1B) — 24 companies
- Westminster (W1C) — 25 companies
- Westminster (W1D) — 23 companies
- Westminster (W1F) — 23 companies
- W1G — Islington / Westminster (W1G) — 24 companies
- Westminster (W1H) — 25 companies
- W1J — Islington / Westminster (W1J) — 25 companies
- Westminster (W1K) — 25 companies
- Westminster (W1S) — 24 companies
- W1T — Camden / Westminster (W1T) — 24 companies
- Westminster (W1U) — 24 companies
- W1W — Islington / Westminster (W1W) — 24 companies
- W2 — Ealing / Kensington and Chelsea / Westminster (W2) — 25 companies
- W3 — Ealing / Hammersmith and Fulham / Hounslow (W3) — 22 companies
- W4 — Ealing / Hammersmith and Fulham / Hounslow (W4) — 21 companies
- W5 — Ealing / Hounslow (W5) — 21 companies
- W6 — Hammersmith and Fulham / Hounslow (W6) — 24 companies
- Ealing (W7) — 22 companies
- Kensington and Chelsea (W8) — 23 companies
- W9 — Brent / Camden / Kensington and Chelsea / Westminster (W9) — 25 companies
- WC1A — Camden / Islington (WC1A) — 24 companies
- WC1B — Camden / Islington (WC1B) — 24 companies
- Camden (WC1E) — 24 companies
- WC1H — Camden / Islington (WC1H) — 24 companies
- WC1N — Camden / Islington (WC1N) — 25 companies
- Camden (WC1R) — 24 companies
- WC1V — Camden / City of London / Islington (WC1V) — 24 companies
- WC1X — Camden / Islington (WC1X) — 25 companies
- WC2A — Camden / City of London / Islington / Westminster (WC2A) — 24 companies
- WC2B — Camden / Islington / Westminster (WC2B) — 24 companies
- Westminster (WC2E) — 24 companies
- WC2H — Camden / Islington / Westminster (WC2H) — 23 companies
- WC2N — Islington / Westminster (WC2N) — 24 companies
- WC2R — Islington / Westminster (WC2R) — 24 companies
Merseyside
North East
- Northumberland (CA8) — 25 companies
- Northumberland (CA9) — 24 companies
- County Durham (DH1) — 27 companies
- DH2 — County Durham / Gateshead (DH2) — 26 companies
- DH3 — County Durham / Gateshead / Sunderland (DH3) — 26 companies
- DH4 — County Durham / Sunderland (DH4) — 27 companies
- DH5 — County Durham / Sunderland (DH5) — 25 companies
- County Durham (DH6) — 26 companies
- County Durham (DH7) — 25 companies
- DH8 — County Durham / Northumberland (DH8) — 25 companies
- DH9 — County Durham / Gateshead (DH9) — 26 companies
- County Durham (DH97) — 26 companies
- County Durham (DH98) — 30 companies
- County Durham (DH99) — 27 companies
- DL1 — County Durham / Darlington (DL1) — 29 companies
- County Durham (DL11) — 30 companies
- County Durham (DL12) — 28 companies
- County Durham (DL13) — 28 companies
- County Durham (DL14) — 26 companies
- County Durham (DL15) — 26 companies
- County Durham (DL16) — 25 companies
- County Durham (DL17) — 26 companies
- Stockton-on-Tees (DL2) — 33 companies
- Darlington (DL3) — 28 companies
- DL4 — County Durham / Darlington (DL4) — 26 companies
- DL5 — County Durham / Darlington (DL5) — 26 companies
- Darlington (DL98) — 27 companies
- NE10 — Gateshead / South Tyneside (NE10) — 23 companies
- Gateshead (NE11) — 23 companies
- North Tyneside (NE12) — 25 companies
- NE13 — Newcastle upon Tyne / North Tyneside / Northumberland (NE13) — 23 companies
- NE15 — Gateshead / Newcastle upon Tyne / Northumberland (NE15) — 23 companies
- NE16 — County Durham / Gateshead (NE16) — 25 companies
- NE17 — County Durham / Gateshead / Northumberland (NE17) — 24 companies
- Northumberland (NE18) — 24 companies
- Northumberland (NE19) — 35 companies
- Newcastle upon Tyne (NE2) — 22 companies
- NE20 — Newcastle upon Tyne / Northumberland (NE20) — 25 companies
- Gateshead (NE21) — 23 companies
- Northumberland (NE22) — 23 companies
- NE23 — North Tyneside / Northumberland (NE23) — 25 companies
- Northumberland (NE24) — 23 companies
- NE25 — North Tyneside / Northumberland (NE25) — 24 companies
- NE26 — North Tyneside / Northumberland (NE26) — 23 companies
- NE27 — North Tyneside / Northumberland (NE27) — 23 companies
- North Tyneside (NE28) — 24 companies
- North Tyneside (NE29) — 24 companies
- NE3 — Newcastle upon Tyne / North Tyneside (NE3) — 24 companies
- North Tyneside (NE30) — 25 companies
- South Tyneside (NE31) — 23 companies
- South Tyneside (NE32) — 23 companies
- South Tyneside (NE33) — 26 companies
- South Tyneside (NE34) — 24 companies
- South Tyneside (NE35) — 24 companies
- NE36 — South Tyneside / Sunderland (NE36) — 25 companies
- NE37 — South Tyneside / Sunderland (NE37) — 24 companies
- NE38 — County Durham / Sunderland (NE38) — 25 companies
- NE39 — County Durham / Gateshead (NE39) — 25 companies
- Newcastle upon Tyne (NE4) — 23 companies
- Gateshead (NE40) — 24 companies
- NE41 — Gateshead / Northumberland (NE41) — 24 companies
- NE42 — Gateshead / Northumberland (NE42) — 24 companies
- Northumberland (NE43) — 24 companies
- Northumberland (NE44) — 23 companies
- Northumberland (NE45) — 23 companies
- Northumberland (NE46) — 23 companies
- Northumberland (NE47) — 27 companies
- Northumberland (NE48) — 27 companies
- Northumberland (NE49) — 20 companies
- Newcastle upon Tyne (NE5) — 23 companies
- Newcastle upon Tyne (NE6) — 23 companies
- Northumberland (NE61) — 25 companies
- Northumberland (NE62) — 22 companies
- Northumberland (NE63) — 22 companies
- Northumberland (NE64) — 24 companies
- Northumberland (NE65) — 24 companies
- Northumberland (NE66) — 27 companies
- Northumberland (NE67) — 28 companies
- Northumberland (NE68) — 28 companies
- Northumberland (NE69) — 29 companies
- NE7 — Newcastle upon Tyne / North Tyneside (NE7) — 23 companies
- Northumberland (NE70) — 30 companies
- Northumberland (NE71) — 27 companies
- Gateshead (NE8) — 22 companies
- NE85 — Gateshead / Sunderland (NE85) — 26 companies
- NE88 — Gateshead / Newcastle upon Tyne (NE88) — 22 companies
- NE9 — Gateshead / Sunderland (NE9) — 23 companies
- Gateshead (NE92) — 22 companies
- NE98 — Gateshead / Newcastle upon Tyne (NE98) — 23 companies
- Newcastle upon Tyne (NE99) — 22 companies
- Sunderland (SR1) — 25 companies
- Sunderland (SR2) — 25 companies
- Sunderland (SR3) — 26 companies
- Sunderland (SR4) — 25 companies
- SR5 — South Tyneside / Sunderland (SR5) — 24 companies
- SR6 — South Tyneside / Sunderland (SR6) — 24 companies
- SR7 — County Durham / Sunderland (SR7) — 27 companies
- County Durham (SR8) — 26 companies
- Northumberland (TD12) — 27 companies
- Northumberland (TD15) — 29 companies
- Northumberland (TD5) — 27 companies
- Middlesbrough (TS1) — 25 companies
- Redcar and Cleveland (TS10) — 24 companies
- Redcar and Cleveland (TS11) — 24 companies
- Redcar and Cleveland (TS12) — 27 companies
- Redcar and Cleveland (TS13) — 27 companies
- Redcar and Cleveland (TS14) — 25 companies
- Stockton-on-Tees (TS15) — 26 companies
- Stockton-on-Tees (TS16) — 23 companies
- TS17 — Middlesbrough / Stockton-on-Tees (TS17) — 23 companies
- Stockton-on-Tees (TS18) — 24 companies
- Stockton-on-Tees (TS19) — 24 companies
- TS2 — Middlesbrough / Stockton-on-Tees (TS2) — 24 companies
- Stockton-on-Tees (TS20) — 25 companies
- TS21 — County Durham / Darlington / Stockton-on-Tees (TS21) — 25 companies
- TS22 — County Durham / Hartlepool / Stockton-on-Tees (TS22) — 27 companies
- TS23 — Hartlepool / Stockton-on-Tees (TS23) — 24 companies
- Hartlepool (TS24) — 26 companies
- Hartlepool (TS25) — 26 companies
- Hartlepool (TS26) — 26 companies
- TS27 — County Durham / Hartlepool (TS27) — 28 companies
- County Durham (TS28) — 25 companies
- County Durham (TS29) — 27 companies
- TS3 — Middlesbrough / Redcar and Cleveland (TS3) — 24 companies
- Middlesbrough (TS4) — 24 companies
- Middlesbrough (TS5) — 24 companies
- Redcar and Cleveland (TS6) — 26 companies
- Middlesbrough (TS7) — 24 companies
- Middlesbrough (TS8) — 25 companies
- Redcar and Cleveland (TS9) — 26 companies
North West
- BB1 — Blackburn with Darwen / Hyndburn / Ribble Valley / Rossendale (BB1) — 34 companies
- BB10 — Burnley / Pendle (BB10) — 29 companies
- Burnley (BB11) — 28 companies
- BB12 — Burnley / Pendle / Ribble Valley (BB12) — 30 companies
- Pendle (BB18) — 29 companies
- BB2 — Blackburn with Darwen / Chorley / Ribble Valley / South Ribble (BB2) — 34 companies
- Blackburn with Darwen (BB3) — 32 companies
- Rossendale (BB4) — 31 companies
- BB5 — Hyndburn / Rossendale (BB5) — 30 companies
- BB6 — Hyndburn / Ribble Valley (BB6) — 29 companies
- BB7 — Hyndburn / Pendle / Ribble Valley (BB7) — 29 companies
- Pendle (BB8) — 28 companies
- BB9 — Pendle / Ribble Valley (BB9) — 29 companies
- Pendle (BB94) — 29 companies
- Pendle (BD23) — 33 companies
- BL0 — Bury / Rossendale (BL0) — 30 companies
- Bolton (BL1) — 31 companies
- Bolton (BL11) — 31 companies
- BL2 — Bolton / Bury (BL2) — 33 companies
- BL3 — Bolton / Bury (BL3) — 33 companies
- Bolton (BL4) — 31 companies
- Bolton (BL5) — 33 companies
- BL6 — Bolton / Chorley (BL6) — 33 companies
- BL7 — Blackburn with Darwen / Bolton (BL7) — 32 companies
- Bolton (BL78) — 33 companies
- BL8 — Blackburn with Darwen / Bolton / Bury / Rossendale (BL8) — 31 companies
- BL9 — Bury / Rochdale / Rossendale (BL9) — 30 companies
- Cumberland (CA1) — 24 companies
- Westmorland and Furness (CA10) — 29 companies
- Westmorland and Furness (CA11) — 27 companies
- CA12 — Cumberland / Westmorland and Furness (CA12) — 29 companies
- Cumberland (CA13) — 30 companies
- Cumberland (CA14) — 30 companies
- Cumberland (CA15) — 30 companies
- Westmorland and Furness (CA16) — 28 companies
- Westmorland and Furness (CA17) — 32 companies
- Cumberland (CA18) — 30 companies
- Cumberland (CA19) — 31 companies
- Cumberland (CA2) — 24 companies
- Cumberland (CA20) — 30 companies
- Cumberland (CA21) — 28 companies
- Cumberland (CA22) — 28 companies
- Cumberland (CA23) — 28 companies
- Cumberland (CA24) — 27 companies
- Cumberland (CA25) — 27 companies
- Cumberland (CA26) — 28 companies
- Cumberland (CA27) — 27 companies
- Cumberland (CA28) — 31 companies
- Cumberland (CA3) — 23 companies
- CA4 — Cumberland / Westmorland and Furness (CA4) — 25 companies
- CA5 — Cumberland / Westmorland and Furness (CA5) — 32 companies
- Cumberland (CA6) — 29 companies
- CA7 — Cumberland / Westmorland and Furness (CA7) — 29 companies
- Cumberland (CA95) — 30 companies
- Cheshire West and Chester (CH1) — 28 companies
- Cheshire West and Chester (CH2) — 32 companies
- Wirral (CH25) — 26 companies
- Wirral (CH26) — 50 companies
- Wirral (CH27) — 50 companies
- Wirral (CH28) — 28 companies
- Wirral (CH29) — 29 companies
- CH3 — Cheshire East / Cheshire West and Chester (CH3) — 27 companies
- Wirral (CH30) — 29 companies
- Wirral (CH31) — 30 companies
- Wirral (CH32) — 27 companies
- Cheshire West and Chester (CH33) — 53 companies
- Cheshire West and Chester (CH34) — 28 companies
- Cheshire West and Chester (CH4) — 28 companies
- Wirral (CH41) — 27 companies
- Wirral (CH42) — 27 companies
- Wirral (CH43) — 29 companies
- Wirral (CH44) — 28 companies
- Wirral (CH45) — 29 companies
- Wirral (CH46) — 30 companies
- Wirral (CH47) — 30 companies
- Wirral (CH48) — 30 companies
- Wirral (CH49) — 29 companies
- Wirral (CH60) — 30 companies
- Wirral (CH61) — 30 companies
- CH62 — Cheshire West and Chester / Wirral (CH62) — 27 companies
- Wirral (CH63) — 28 companies
- CH64 — Cheshire West and Chester / Wirral (CH64) — 33 companies
- CH65 — Cheshire West and Chester / Wirral (CH65) — 29 companies
- Cheshire West and Chester (CH66) — 29 companies
- Cheshire West and Chester (CH70) — 26 companies
- Cheshire West and Chester (CH88) — 26 companies
- Cheshire West and Chester (CH99) — 27 companies
- Cheshire East (CW1) — 28 companies
- CW10 — Cheshire East / Cheshire West and Chester (CW10) — 27 companies
- Cheshire East (CW11) — 24 companies
- Cheshire East (CW12) — 31 companies
- Cheshire East (CW2) — 26 companies
- Cheshire East (CW3) — 26 companies
- CW4 — Cheshire East / Cheshire West and Chester (CW4) — 27 companies
- Cheshire East (CW5) — 29 companies
- CW6 — Cheshire East / Cheshire West and Chester (CW6) — 30 companies
- CW7 — Cheshire East / Cheshire West and Chester (CW7) — 28 companies
- Cheshire West and Chester (CW8) — 28 companies
- CW9 — Cheshire East / Cheshire West and Chester (CW9) — 31 companies
- Cheshire East (CW98) — 25 companies
- Carlisle (DG16) — 26 companies
- Blackpool (FY1) — 31 companies
- Blackpool (FY2) — 31 companies
- FY3 — Blackpool / Fylde / Wyre (FY3) — 32 companies
- FY4 — Blackpool / Fylde (FY4) — 33 companies
- FY5 — Blackpool / Wyre (FY5) — 32 companies
- FY6 — Blackpool / Fylde / Wyre (FY6) — 32 companies
- Wyre (FY7) — 31 companies
- Fylde (FY8) — 34 companies
- L10 — Knowsley / Liverpool / Sefton (L10) — 30 companies
- Liverpool (L11) — 29 companies
- Liverpool (L12) — 29 companies
- Liverpool (L13) — 27 companies
- L14 — Knowsley / Liverpool (L14) — 27 companies
- Liverpool (L15) — 26 companies
- L16 — Knowsley / Liverpool (L16) — 26 companies
- Liverpool (L17) — 27 companies
- Liverpool (L18) — 27 companies
- Liverpool (L19) — 27 companies
- Liverpool (L2) — 26 companies
- L20 — Liverpool / Sefton (L20) — 28 companies
- Sefton (L21) — 26 companies
- Sefton (L22) — 26 companies
- Sefton (L23) — 26 companies
- L24 — Halton / Knowsley / Liverpool (L24) — 25 companies
- L25 — Knowsley / Liverpool (L25) — 26 companies
- L26 — Knowsley / Liverpool (L26) — 26 companies
- Liverpool (L27) — 27 companies
- L28 — Knowsley / Liverpool (L28) — 28 companies
- Sefton (L29) — 27 companies
- Liverpool (L3) — 27 companies
- Sefton (L30) — 28 companies
- L31 — Knowsley / Sefton / West Lancashire (L31) — 31 companies
- Knowsley (L32) — 29 companies
- L33 — Knowsley / West Lancashire (L33) — 31 companies
- L34 — Knowsley / St. Helens (L34) — 29 companies
- L35 — Halton / Knowsley / St. Helens (L35) — 27 companies
- L36 — Knowsley / Liverpool (L36) — 27 companies
- L37 — Sefton / West Lancashire (L37) — 29 companies
- Sefton (L38) — 26 companies
- West Lancashire (L39) — 32 companies
- Liverpool (L4) — 26 companies
- L40 — Chorley / West Lancashire (L40) — 33 companies
- Liverpool (L5) — 26 companies
- Liverpool (L6) — 27 companies
- Liverpool (L67) — 27 companies
- Sefton (L68) — 28 companies
- L69 — Liverpool / Sefton (L69) — 28 companies
- Liverpool (L7) — 27 companies
- L70 — Knowsley / Liverpool / Sefton (L70) — 32 companies
- L71 — Liverpool / Sefton (L71) — 27 companies
- Sefton (L72) — 28 companies
- Liverpool (L74) — 26 companies
- L75 — Liverpool / Sefton (L75) — 28 companies
- Liverpool (L8) — 28 companies
- Sefton (L80) — 27 companies
- L9 — Liverpool / Sefton (L9) — 28 companies
- Lancaster (LA1) — 31 companies
- Eden (LA10) — 30 companies
- Westmorland and Furness (LA11) — 31 companies
- Westmorland and Furness (LA12) — 33 companies
- Westmorland and Furness (LA13) — 30 companies
- Westmorland and Furness (LA14) — 33 companies
- Westmorland and Furness (LA15) — 30 companies
- Westmorland and Furness (LA16) — 30 companies
- Westmorland and Furness (LA17) — 29 companies
- Cumberland (LA18) — 30 companies
- Cumberland (LA19) — 29 companies
- Lancaster (LA2) — 34 companies
- LA20 — Cumberland / Westmorland and Furness (LA20) — 29 companies
- Westmorland and Furness (LA21) — 27 companies
- Westmorland and Furness (LA22) — 33 companies
- Westmorland and Furness (LA23) — 29 companies
- Lancaster (LA3) — 34 companies
- Lancaster (LA4) — 30 companies
- LA5 — Lancaster / Westmorland and Furness (LA5) — 30 companies
- South Lakeland (LA6) — 33 companies
- LA7 — Lancaster / Westmorland and Furness (LA7) — 30 companies
- Westmorland and Furness (LA8) — 36 companies
- Westmorland and Furness (LA9) — 30 companies
- M11 — Manchester / Tameside (M11) — 34 companies
- Manchester (M12) — 34 companies
- Manchester (M13) — 38 companies
- Manchester (M14) — 35 companies
- M15 — Manchester / Trafford (M15) — 34 companies
- M16 — Manchester / Trafford (M16) — 35 companies
- M17 — Salford / Trafford (M17) — 35 companies
- Manchester (M18) — 33 companies
- M19 — Manchester / Stockport (M19) — 37 companies
- Manchester (M2) — 34 companies
- Manchester (M20) — 37 companies
- M21 — Manchester / Trafford (M21) — 33 companies
- M22 — Cheshire East / Manchester / Stockport (M22) — 33 companies
- M23 — Manchester / Trafford (M23) — 32 companies
- M24 — Bury / Manchester / Oldham / Rochdale (M24) — 30 companies
- M25 — Bury / Manchester (M25) — 32 companies
- M26 — Bolton / Bury (M26) — 34 companies
- Salford (M27) — 34 companies
- M28 — Salford / Wigan (M28) — 35 companies
- M29 — Salford / Wigan (M29) — 36 companies
- M3 — Manchester / Salford (M3) — 33 companies
- Salford (M30) — 35 companies
- Trafford (M31) — 30 companies
- Trafford (M32) — 33 companies
- M33 — Manchester / Trafford (M33) — 32 companies
- Tameside (M34) — 33 companies
- Oldham (M35) — 32 companies
- Salford (M38) — 33 companies
- Manchester (M4) — 33 companies
- M40 — Manchester / Oldham (M40) — 34 companies
- Trafford (M41) — 37 companies
- M43 — Manchester / Tameside (M43) — 31 companies
- Salford (M44) — 33 companies
- Bury (M45) — 30 companies
- M46 — Bolton / Wigan (M46) — 33 companies
- Salford (M5) — 34 companies
- Salford (M50) — 35 companies
- Salford (M6) — 33 companies
- M60 — Manchester / Salford (M60) — 35 companies
- Manchester (M61) — 33 companies
- M7 — Bury / Manchester / Salford (M7) — 34 companies
- M8 — Bury / Manchester / Salford (M8) — 34 companies
- Manchester (M9) — 32 companies
- Manchester (M90) — 31 companies
- Manchester (M99) — 34 companies
- Oldham (OL1) — 29 companies
- Rochdale (OL10) — 30 companies
- Rochdale (OL11) — 30 companies
- OL12 — Rochdale / Rossendale (OL12) — 30 companies
- Rossendale (OL13) — 31 companies
- Burnley (OL14) — 29 companies
- Rochdale (OL15) — 31 companies
- OL16 — Oldham / Rochdale (OL16) — 31 companies
- OL2 — Oldham / Rochdale (OL2) — 30 companies
- Oldham (OL3) — 30 companies
- Oldham (OL4) — 32 companies
- OL5 — Oldham / Tameside (OL5) — 31 companies
- OL6 — Oldham / Tameside (OL6) — 32 companies
- Tameside (OL7) — 32 companies
- Oldham (OL8) — 31 companies
- Oldham (OL9) — 31 companies
- Preston (PR0) — 32 companies
- PR1 — Preston / South Ribble (PR1) — 32 companies
- Preston (PR11) — 33 companies
- Preston (PR2) — 32 companies
- PR25 — Chorley / South Ribble (PR25) — 34 companies
- PR26 — Chorley / South Ribble (PR26) — 36 companies
- PR3 — Fylde / Lancaster / Preston / Ribble Valley / Wyre (PR3) — 33 companies
- PR4 — Chorley / Fylde / Preston / South Ribble / West Lancashire / Wyre (PR4) — 36 companies
- PR5 — Chorley / Preston / South Ribble (PR5) — 36 companies
- PR6 — Blackburn with Darwen / Chorley (PR6) — 33 companies
- PR7 — Chorley / South Ribble / West Lancashire (PR7) — 34 companies
- PR8 — Sefton / West Lancashire (PR8) — 33 companies
- PR9 — Sefton / West Lancashire (PR9) — 34 companies
- Stockport (SK1) — 32 companies
- Cheshire East (SK10) — 35 companies
- Cheshire East (SK11) — 33 companies
- SK12 — Cheshire East / Stockport (SK12) — 34 companies
- Tameside (SK15) — 30 companies
- Tameside (SK16) — 31 companies
- Stockport (SK2) — 34 companies
- Stockport (SK3) — 33 companies
- SK4 — Manchester / Stockport (SK4) — 35 companies
- SK5 — Stockport / Tameside (SK5) — 33 companies
- SK6 — Cheshire East / Stockport (SK6) — 34 companies
- SK7 — Cheshire East / Stockport (SK7) — 33 companies
- SK8 — Cheshire East / Stockport (SK8) — 35 companies
- Cheshire East (SK9) — 35 companies
- Cheshire East (ST7) — 30 companies
- Cheshire East (SY13) — 32 companies
- Cheshire East (SY14) — 25 companies
- Carlisle (TD9) — 26 companies
- Cheshire East (TF9) — 28 companies
- Warrington (WA1) — 30 companies
- WA10 — Knowsley / St. Helens (WA10) — 32 companies
- WA11 — St. Helens / West Lancashire (WA11) — 34 companies
- WA12 — St. Helens / Warrington / Wigan (WA12) — 33 companies
- WA13 — Cheshire East / Trafford / Warrington (WA13) — 30 companies
- WA14 — Cheshire East / Trafford (WA14) — 32 companies
- WA15 — Cheshire East / Manchester / Trafford (WA15) — 33 companies
- WA16 — Cheshire East / Cheshire West and Chester (WA16) — 31 companies
- WA2 — St. Helens / Warrington (WA2) — 30 companies
- WA3 — Salford / St. Helens / Warrington / Wigan (WA3) — 33 companies
- WA4 — Cheshire West and Chester / Halton / Warrington (WA4) — 31 companies
- WA5 — St. Helens / Warrington (WA5) — 28 companies
- Warrington (WA55) — 50 companies
- Cheshire West and Chester (WA6) — 29 companies
- WA7 — Cheshire West and Chester / Halton (WA7) — 26 companies
- WA8 — Halton / Knowsley / St. Helens / Warrington (WA8) — 26 companies
- Halton (WA88) — 24 companies
- WA9 — St. Helens / Warrington (WA9) — 30 companies
- WN1 — Bolton / Wigan (WN1) — 31 companies
- WN2 — Bolton / Wigan (WN2) — 33 companies
- Wigan (WN3) — 30 companies
- WN4 — St. Helens / Wigan (WN4) — 33 companies
- WN5 — St. Helens / West Lancashire / Wigan (WN5) — 31 companies
- WN6 — Chorley / West Lancashire / Wigan (WN6) — 32 companies
- Wigan (WN7) — 34 companies
- West Lancashire (WN8) — 32 companies
Northern Ireland
- Belfast (BT1) — 24 companies
- Belfast (BT10) — 25 companies
- Belfast (BT11) — 25 companies
- Belfast (BT12) — 24 companies
- Belfast (BT13) — 25 companies
- BT14 — Antrim and Newtownabbey / Belfast (BT14) — 25 companies
- Belfast (BT15) — 24 companies
- BT16 — Ards and North Down / Belfast / Lisburn and Castlereagh (BT16) — 25 companies
- BT17 — Belfast / Lisburn and Castlereagh (BT17) — 25 companies
- BT18 — Ards and North Down / Belfast / Lisburn and Castlereagh (BT18) — 24 companies
- Ards and North Down (BT19) — 24 companies
- Belfast (BT2) — 24 companies
- Ards and North Down (BT20) — 24 companies
- Ards and North Down (BT21) — 25 companies
- Ards and North Down (BT22) — 25 companies
- BT23 — Multiple areas (BT23) — 24 companies
- BT24 — Multiple areas (BT24) — 29 companies
- BT25 — Multiple areas (BT25) — 28 companies
- Lisburn and Castlereagh (BT26) — 27 companies
- Lisburn and Castlereagh (BT27) — 28 companies
- Lisburn and Castlereagh (BT28) — 28 companies
- BT29 — Antrim and Newtownabbey / Lisburn and Castlereagh (BT29) — 25 companies
- Belfast (BT3) — 25 companies
- BT30 — Ards and North Down / Newry, Mourne and Down (BT30) — 26 companies
- BT31 — Armagh City, Banbridge and Craigavon / Newry, Mourne and Down (BT31) — 26 companies
- BT32 — Armagh City, Banbridge and Craigavon / Newry, Mourne and Down (BT32) — 26 companies
- Newry, Mourne and Down (BT33) — 27 companies
- BT34 — Armagh City, Banbridge and Craigavon / Newry, Mourne and Down (BT34) — 29 companies
- BT35 — Armagh City, Banbridge and Craigavon / Newry, Mourne and Down (BT35) — 27 companies
- BT36 — Antrim and Newtownabbey / Belfast / Mid and East Antrim (BT36) — 24 companies
- Antrim and Newtownabbey (BT37) — 24 companies
- BT38 — Antrim and Newtownabbey / Mid and East Antrim (BT38) — 24 companies
- BT39 — Antrim and Newtownabbey / Mid and East Antrim (BT39) — 25 companies
- Belfast (BT4) — 25 companies
- Mid and East Antrim (BT40) — 24 companies
- BT41 — Antrim and Newtownabbey / Mid and East Antrim / Mid Ulster (BT41) — 24 companies
- BT42 — Antrim and Newtownabbey / Mid and East Antrim (BT42) — 24 companies
- Mid and East Antrim (BT43) — 23 companies
- BT44 — Causeway Coast and Glens / Mid and East Antrim / Mid Ulster (BT44) — 22 companies
- Mid Ulster (BT45) — 21 companies
- BT46 — Causeway Coast and Glens / Mid Ulster (BT46) — 24 companies
- BT47 — Causeway Coast and Glens / Derry City and Strabane (BT47) — 22 companies
- Derry City and Strabane (BT48) — 22 companies
- Causeway Coast and Glens (BT49) — 21 companies
- BT5 — Belfast / Lisburn and Castlereagh (BT5) — 25 companies
- BT51 — Causeway Coast and Glens / Mid Ulster (BT51) — 23 companies
- Causeway Coast and Glens (BT52) — 21 companies
- Causeway Coast and Glens (BT53) — 22 companies
- Causeway Coast and Glens (BT54) — 21 companies
- Causeway Coast and Glens (BT55) — 21 companies
- Causeway Coast and Glens (BT56) — 21 companies
- Causeway Coast and Glens (BT57) — 21 companies
- BT6 — Belfast / Lisburn and Castlereagh (BT6) — 26 companies
- BT60 — Armagh City, Banbridge and Craigavon / Newry, Mourne and Down (BT60) — 27 companies
- Armagh City, Banbridge and Craigavon (BT61) — 28 companies
- Armagh City, Banbridge and Craigavon (BT62) — 27 companies
- Armagh City, Banbridge and Craigavon (BT63) — 27 companies
- Armagh City, Banbridge and Craigavon (BT64) — 28 companies
- Armagh City, Banbridge and Craigavon (BT65) — 28 companies
- BT66 — Armagh City, Banbridge and Craigavon / Lisburn and Castlereagh (BT66) — 30 companies
- BT67 — Armagh City, Banbridge and Craigavon / Lisburn and Castlereagh (BT67) — 29 companies
- Mid Ulster (BT68) — 29 companies
- Mid Ulster (BT69) — 27 companies
- Belfast (BT7) — 24 companies
- BT70 — Fermanagh and Omagh / Mid Ulster (BT70) — 26 companies
- BT71 — Armagh City, Banbridge and Craigavon / Mid Ulster (BT71) — 27 companies
- Fermanagh and Omagh (BT74) — 25 companies
- BT75 — Fermanagh and Omagh / Mid Ulster (BT75) — 26 companies
- BT76 — Fermanagh and Omagh / Mid Ulster (BT76) — 24 companies
- Mid Ulster (BT77) — 26 companies
- BT78 — Derry City and Strabane / Fermanagh and Omagh / Mid Ulster (BT78) — 24 companies
- BT79 — Derry City and Strabane / Fermanagh and Omagh / Mid Ulster (BT79) — 25 companies
- BT8 — Belfast / Lisburn and Castlereagh (BT8) — 26 companies
- Mid Ulster (BT80) — 26 companies
- BT81 — Derry City and Strabane / Fermanagh and Omagh (BT81) — 23 companies
- Derry City and Strabane (BT82) — 23 companies
- Belfast (BT9) — 25 companies
- Fermanagh and Omagh (BT92) — 29 companies
- Fermanagh and Omagh (BT93) — 24 companies
- Fermanagh and Omagh (BT94) — 26 companies
Scotland
- Aberdeen City (AB10) — 24 companies
- Aberdeen City (AB11) — 24 companies
- AB12 — Aberdeen City / Aberdeenshire (AB12) — 24 companies
- Aberdeen City (AB13) — 24 companies
- AB14 — Aberdeen City / Aberdeenshire (AB14) — 24 companies
- AB15 — Aberdeen City / Aberdeenshire (AB15) — 24 companies
- Aberdeen City (AB16) — 24 companies
- AB21 — Aberdeen City / Aberdeenshire (AB21) — 33 companies
- Aberdeen City (AB22) — 23 companies
- AB23 — Aberdeen City / Aberdeenshire (AB23) — 23 companies
- Aberdeen City (AB24) — 24 companies
- Aberdeen City (AB25) — 24 companies
- AB30 — Aberdeenshire / Angus (AB30) — 23 companies
- AB31 — Aberdeen City / Aberdeenshire (AB31) — 22 companies
- AB32 — Aberdeen City / Aberdeenshire (AB32) — 23 companies
- Aberdeenshire (AB33) — 22 companies
- Aberdeenshire (AB34) — 22 companies
- Aberdeenshire (AB35) — 25 companies
- Aberdeenshire (AB36) — 22 companies
- AB37 — Highland / Moray (AB37) — 22 companies
- Moray (AB38) — 21 companies
- Aberdeenshire (AB39) — 24 companies
- Aberdeenshire (AB41) — 21 companies
- Aberdeenshire (AB42) — 21 companies
- Aberdeenshire (AB43) — 20 companies
- Aberdeenshire (AB44) — 20 companies
- AB45 — Aberdeenshire / Moray (AB45) — 20 companies
- Aberdeenshire (AB51) — 20 companies
- Aberdeenshire (AB52) — 22 companies
- Aberdeenshire (AB53) — 19 companies
- AB54 — Aberdeenshire / Moray (AB54) — 23 companies
- AB55 — Aberdeenshire / Moray (AB55) — 20 companies
- AB56 — Aberdeenshire / Moray (AB56) — 21 companies
- Aberdeen City (AB99) — 24 companies
- Dundee City (DD1) — 23 companies
- DD10 — Aberdeenshire / Angus (DD10) — 21 companies
- Angus (DD11) — 21 companies
- DD2 — Angus / Dundee City / Perth and Kinross (DD2) — 23 companies
- DD3 — Angus / Dundee City (DD3) — 23 companies
- DD4 — Angus / Dundee City (DD4) — 23 companies
- DD5 — Angus / Dundee City (DD5) — 22 companies
- Fife (DD6) — 24 companies
- Angus (DD7) — 23 companies
- Angus (DD8) — 19 companies
- DD9 — Aberdeenshire / Angus (DD9) — 22 companies
- Dumfries and Galloway (DG1) — 28 companies
- Dumfries and Galloway (DG10) — 25 companies
- Dumfries and Galloway (DG11) — 28 companies
- Dumfries and Galloway (DG12) — 29 companies
- Dumfries and Galloway (DG13) — 34 companies
- DG14 — Dumfries and Galloway / Scottish Borders (DG14) — 27 companies
- Dumfries and Galloway (DG2) — 28 companies
- Dumfries and Galloway (DG3) — 27 companies
- Dumfries and Galloway (DG4) — 24 companies
- Dumfries and Galloway (DG5) — 26 companies
- Dumfries and Galloway (DG6) — 26 companies
- Dumfries and Galloway (DG7) — 27 companies
- DG8 — Dumfries and Galloway / South Ayrshire (DG8) — 29 companies
- Dumfries and Galloway (DG9) — 24 companies
- City of Edinburgh (EH1) — 21 companies
- EH10 — City of Edinburgh / Midlothian (EH10) — 21 companies
- City of Edinburgh (EH11) — 21 companies
- City of Edinburgh (EH12) — 21 companies
- City of Edinburgh (EH13) — 21 companies
- EH14 — City of Edinburgh / West Lothian (EH14) — 21 companies
- City of Edinburgh (EH15) — 20 companies
- EH16 — City of Edinburgh / Midlothian (EH16) — 21 companies
- EH17 — City of Edinburgh / Midlothian (EH17) — 20 companies
- EH18 — City of Edinburgh / Midlothian (EH18) — 20 companies
- Midlothian (EH19) — 21 companies
- City of Edinburgh (EH2) — 21 companies
- Midlothian (EH20) — 20 companies
- EH21 — City of Edinburgh / East Lothian / Midlothian (EH21) — 21 companies
- EH22 — City of Edinburgh / East Lothian / Midlothian (EH22) — 20 companies
- EH23 — Midlothian / Scottish Borders (EH23) — 19 companies
- Midlothian (EH24) — 20 companies
- Midlothian (EH25) — 20 companies
- EH26 — Midlothian / Scottish Borders (EH26) — 20 companies
- EH27 — City of Edinburgh / West Lothian (EH27) — 21 companies
- EH28 — City of Edinburgh / West Lothian (EH28) — 21 companies
- EH29 — City of Edinburgh / West Lothian (EH29) — 21 companies
- City of Edinburgh (EH3) — 21 companies
- EH30 — City of Edinburgh / West Lothian (EH30) — 21 companies
- East Lothian (EH31) — 22 companies
- East Lothian (EH32) — 21 companies
- East Lothian (EH33) — 21 companies
- East Lothian (EH34) — 23 companies
- East Lothian (EH35) — 22 companies
- East Lothian (EH36) — 21 companies
- EH37 — East Lothian / Midlothian / Scottish Borders (EH37) — 21 companies
- Scottish Borders (EH38) — 21 companies
- East Lothian (EH39) — 22 companies
- City of Edinburgh (EH4) — 21 companies
- East Lothian (EH40) — 22 companies
- East Lothian (EH41) — 22 companies
- East Lothian (EH42) — 26 companies
- Scottish Borders (EH43) — 19 companies
- Scottish Borders (EH44) — 19 companies
- Scottish Borders (EH45) — 19 companies
- EH46 — Midlothian / Scottish Borders / South Lanarkshire (EH46) — 20 companies
- EH47 — North Lanarkshire / West Lothian (EH47) — 20 companies
- West Lothian (EH48) — 20 companies
- EH49 — Falkirk / West Lothian (EH49) — 22 companies
- City of Edinburgh (EH5) — 21 companies
- Falkirk (EH51) — 21 companies
- EH52 — City of Edinburgh / West Lothian (EH52) — 22 companies
- EH53 — City of Edinburgh / West Lothian (EH53) — 21 companies
- West Lothian (EH54) — 22 companies
- EH55 — South Lanarkshire / West Lothian (EH55) — 21 companies
- City of Edinburgh (EH6) — 21 companies
- City of Edinburgh (EH7) — 21 companies
- City of Edinburgh (EH8) — 21 companies
- City of Edinburgh (EH9) — 21 companies
- City of Edinburgh (EH91) — 21 companies
- City of Edinburgh (EH95) — 21 companies
- City of Edinburgh (EH99) — 21 companies
- FK1 — Falkirk / North Lanarkshire / West Lothian (FK1) — 21 companies
- FK10 — Clackmannanshire / Fife (FK10) — 22 companies
- Clackmannanshire (FK11) — 22 companies
- Clackmannanshire (FK12) — 22 companies
- Clackmannanshire (FK13) — 21 companies
- FK14 — Clackmannanshire / Fife / Perth and Kinross (FK14) — 21 companies
- FK15 — Perth and Kinross / Stirling (FK15) — 24 companies
- Stirling (FK16) — 25 companies
- Stirling (FK17) — 26 companies
- Stirling (FK18) — 27 companies
- Stirling (FK19) — 29 companies
- FK2 — Falkirk / Stirling (FK2) — 21 companies
- FK20 — Argyll and Bute / Stirling (FK20) — 26 companies
- FK21 — Perth and Kinross / Stirling (FK21) — 31 companies
- Falkirk (FK3) — 20 companies
- FK4 — Falkirk / North Lanarkshire (FK4) — 23 companies
- FK5 — Falkirk / Stirling (FK5) — 22 companies
- FK6 — Falkirk / North Lanarkshire / Stirling (FK6) — 23 companies
- FK7 — Falkirk / Stirling (FK7) — 23 companies
- Stirling (FK8) — 30 companies
- FK9 — Clackmannanshire / Stirling (FK9) — 23 companies
- Glasgow City (G1) — 21 companies
- Glasgow City (G11) — 23 companies
- Glasgow City (G12) — 24 companies
- G13 — Glasgow City / West Dunbartonshire (G13) — 23 companies
- G14 — Glasgow City / West Dunbartonshire (G14) — 23 companies
- Glasgow City (G15) — 23 companies
- Glasgow City (G2) — 22 companies
- Glasgow City (G20) — 24 companies
- Glasgow City (G21) — 21 companies
- Glasgow City (G22) — 22 companies
- Glasgow City (G23) — 24 companies
- Glasgow City (G3) — 22 companies
- Glasgow City (G31) — 23 companies
- Glasgow City (G32) — 22 companies
- G33 — East Dunbartonshire / Glasgow City / North Lanarkshire (G33) — 22 companies
- Glasgow City (G34) — 23 companies
- Glasgow City (G4) — 22 companies
- Glasgow City (G40) — 24 companies
- Glasgow City (G41) — 23 companies
- Glasgow City (G42) — 20 companies
- Glasgow City (G43) — 22 companies
- G44 — East Renfrewshire / Glasgow City / South Lanarkshire (G44) — 23 companies
- Glasgow City (G45) — 22 companies
- G46 — East Renfrewshire / Glasgow City (G46) — 22 companies
- Glasgow City (G5) — 21 companies
- G51 — Glasgow City / Renfrewshire (G51) — 29 companies
- G52 — Glasgow City / Renfrewshire (G52) — 23 companies
- G53 — East Renfrewshire / Glasgow City (G53) — 22 companies
- Glasgow City (G58) — 23 companies
- West Dunbartonshire (G60) — 23 companies
- G61 — East Dunbartonshire / Glasgow City (G61) — 25 companies
- G62 — East Dunbartonshire / Glasgow City / Stirling (G62) — 24 companies
- G63 — Argyll and Bute / Stirling / West Dunbartonshire (G63) — 25 companies
- G64 — East Dunbartonshire / Glasgow City / North Lanarkshire (G64) — 23 companies
- G65 — East Dunbartonshire / North Lanarkshire (G65) — 22 companies
- G66 — East Dunbartonshire / North Lanarkshire (G66) — 22 companies
- G67 — Falkirk / North Lanarkshire (G67) — 24 companies
- G68 — East Dunbartonshire / Falkirk / North Lanarkshire (G68) — 23 companies
- G69 — East Dunbartonshire / Glasgow City / North Lanarkshire (G69) — 24 companies
- North Lanarkshire (G70) — 23 companies
- G71 — Glasgow City / North Lanarkshire / South Lanarkshire (G71) — 21 companies
- G72 — Glasgow City / South Lanarkshire (G72) — 25 companies
- G73 — Glasgow City / South Lanarkshire (G73) — 21 companies
- South Lanarkshire (G74) — 19 companies
- South Lanarkshire (G75) — 20 companies
- G76 — East Renfrewshire / Glasgow City / South Lanarkshire (G76) — 20 companies
- G77 — East Ayrshire / East Renfrewshire (G77) — 21 companies
- G78 — Multiple areas (G78) — 22 companies
- South Lanarkshire (G79) — 20 companies
- G81 — East Dunbartonshire / West Dunbartonshire (G81) — 24 companies
- G82 — Argyll and Bute / West Dunbartonshire (G82) — 23 companies
- G83 — Argyll and Bute / Stirling / West Dunbartonshire (G83) — 24 companies
- Argyll and Bute (G84) — 24 companies
- Glasgow City (G9) — 28 companies
- Glasgow City (G90) — 22 companies
- Na h-Eileanan Siar (HS1) — 20 companies
- Na h-Eileanan Siar (HS2) — 22 companies
- Na h-Eileanan Siar (HS3) — 20 companies
- Na h-Eileanan Siar (HS4) — 20 companies
- Na h-Eileanan Siar (HS5) — 20 companies
- Na h-Eileanan Siar (HS6) — 20 companies
- Na h-Eileanan Siar (HS7) — 20 companies
- Na h-Eileanan Siar (HS8) — 19 companies
- Na h-Eileanan Siar (HS9) — 18 companies
- Highland (IV1) — 21 companies
- Highland (IV10) — 21 companies
- Highland (IV11) — 21 companies
- Highland (IV12) — 21 companies
- Highland (IV13) — 22 companies
- Highland (IV14) — 21 companies
- Highland (IV15) — 21 companies
- Highland (IV16) — 21 companies
- Highland (IV17) — 21 companies
- Highland (IV18) — 21 companies
- Highland (IV19) — 21 companies
- Highland (IV2) — 21 companies
- Highland (IV20) — 21 companies
- Highland (IV21) — 20 companies
- Highland (IV22) — 22 companies
- Highland (IV23) — 22 companies
- Highland (IV24) — 21 companies
- Highland (IV25) — 22 companies
- Highland (IV26) — 21 companies
- Highland (IV27) — 24 companies
- Highland (IV28) — 23 companies
- Highland (IV3) — 21 companies
- Moray (IV30) — 21 companies
- Moray (IV31) — 21 companies
- Moray (IV32) — 21 companies
- Moray (IV36) — 21 companies
- Highland (IV4) — 21 companies
- Highland (IV40) — 22 companies
- Highland (IV41) — 22 companies
- Highland (IV42) — 22 companies
- Highland (IV43) — 22 companies
- Highland (IV44) — 21 companies
- Highland (IV45) — 22 companies
- Highland (IV46) — 21 companies
- Highland (IV47) — 21 companies
- Highland (IV48) — 20 companies
- Highland (IV49) — 21 companies
- Highland (IV5) — 21 companies
- Highland (IV51) — 20 companies
- Highland (IV52) — 22 companies
- Highland (IV53) — 22 companies
- Highland (IV54) — 21 companies
- Highland (IV55) — 20 companies
- Highland (IV56) — 21 companies
- Highland (IV6) — 21 companies
- Highland (IV63) — 21 companies
- Highland (IV7) — 21 companies
- Highland (IV8) — 21 companies
- Highland (IV9) — 21 companies
- Highland (IV99) — 21 companies
- KA1 — East Ayrshire / South Ayrshire (KA1) — 25 companies
- South Ayrshire (KA10) — 23 companies
- KA11 — East Ayrshire / North Ayrshire (KA11) — 22 companies
- North Ayrshire (KA12) — 21 companies
- KA13 — East Ayrshire / North Ayrshire (KA13) — 21 companies
- North Ayrshire (KA14) — 22 companies
- North Ayrshire (KA15) — 22 companies
- East Ayrshire (KA16) — 22 companies
- East Ayrshire (KA17) — 21 companies
- East Ayrshire (KA18) — 23 companies
- KA19 — East Ayrshire / South Ayrshire (KA19) — 23 companies
- KA2 — East Ayrshire / North Ayrshire / South Ayrshire (KA2) — 24 companies
- North Ayrshire (KA20) — 21 companies
- North Ayrshire (KA21) — 21 companies
- North Ayrshire (KA22) — 21 companies
- North Ayrshire (KA23) — 21 companies
- North Ayrshire (KA24) — 21 companies
- North Ayrshire (KA25) — 21 companies
- South Ayrshire (KA26) — 25 companies
- North Ayrshire (KA27) — 22 companies
- North Ayrshire (KA28) — 20 companies
- North Ayrshire (KA29) — 21 companies
- KA3 — East Ayrshire / North Ayrshire (KA3) — 22 companies
- North Ayrshire (KA30) — 21 companies
- East Ayrshire (KA4) — 22 companies
- KA5 — East Ayrshire / South Ayrshire (KA5) — 22 companies
- KA6 — East Ayrshire / South Ayrshire (KA6) — 24 companies
- South Ayrshire (KA7) — 22 companies
- South Ayrshire (KA8) — 22 companies
- South Ayrshire (KA9) — 22 companies
- Highland (KW1) — 24 companies
- Highland (KW10) — 23 companies
- Highland (KW11) — 24 companies
- Highland (KW12) — 24 companies
- Highland (KW13) — 23 companies
- Highland (KW14) — 24 companies
- Orkney Islands (KW15) — 23 companies
- Orkney Islands (KW16) — 22 companies
- Orkney Islands (KW17) — 23 companies
- Highland (KW2) — 24 companies
- Highland (KW3) — 23 companies
- Highland (KW5) — 23 companies
- Highland (KW6) — 23 companies
- Highland (KW7) — 24 companies
- Highland (KW8) — 23 companies
- Highland (KW9) — 23 companies
- Fife (KY1) — 21 companies
- Fife (KY10) — 25 companies
- Fife (KY11) — 21 companies
- Fife (KY12) — 21 companies
- KY13 — Clackmannanshire / Fife / Perth and Kinross (KY13) — 21 companies
- KY14 — Fife / Perth and Kinross (KY14) — 25 companies
- Fife (KY15) — 25 companies
- Fife (KY16) — 25 companies
- Fife (KY2) — 21 companies
- Fife (KY3) — 20 companies
- KY4 — Fife / Perth and Kinross (KY4) — 20 companies
- KY5 — Fife / Perth and Kinross (KY5) — 20 companies
- KY6 — Fife / Perth and Kinross (KY6) — 21 companies
- Fife (KY7) — 21 companies
- Fife (KY8) — 23 companies
- Fife (KY9) — 23 companies
- Fife (KY99) — 20 companies
- North Lanarkshire (ML1) — 21 companies
- South Lanarkshire (ML10) — 19 companies
- ML11 — South Lanarkshire / West Lothian (ML11) — 19 companies
- ML12 — Dumfries and Galloway / Scottish Borders / South Lanarkshire (ML12) — 20 companies
- ML2 — North Lanarkshire / South Lanarkshire (ML2) — 20 companies
- South Lanarkshire (ML3) — 21 companies
- North Lanarkshire (ML4) — 21 companies
- North Lanarkshire (ML5) — 22 companies
- North Lanarkshire (ML6) — 22 companies
- ML7 — North Lanarkshire / West Lothian (ML7) — 19 companies
- South Lanarkshire (ML8) — 20 companies
- South Lanarkshire (ML9) — 19 companies
- Renfrewshire (PA1) — 22 companies
- Renfrewshire (PA10) — 22 companies
- PA11 — Inverclyde / Renfrewshire (PA11) — 22 companies
- Renfrewshire (PA12) — 21 companies
- PA13 — Inverclyde / Renfrewshire (PA13) — 22 companies
- PA14 — Inverclyde / Renfrewshire (PA14) — 22 companies
- Inverclyde (PA15) — 22 companies
- Inverclyde (PA16) — 21 companies
- North Ayrshire (PA17) — 21 companies
- Inverclyde (PA18) — 22 companies
- Inverclyde (PA19) — 21 companies
- Renfrewshire (PA2) — 22 companies
- Argyll and Bute (PA20) — 21 companies
- Argyll and Bute (PA21) — 22 companies
- Argyll and Bute (PA22) — 24 companies
- Argyll and Bute (PA23) — 21 companies
- Argyll and Bute (PA24) — 25 companies
- Argyll and Bute (PA25) — 26 companies
- Argyll and Bute (PA26) — 26 companies
- Argyll and Bute (PA27) — 24 companies
- Argyll and Bute (PA28) — 21 companies
- Argyll and Bute (PA29) — 20 companies
- Renfrewshire (PA3) — 22 companies
- Argyll and Bute (PA30) — 21 companies
- Argyll and Bute (PA31) — 21 companies
- Argyll and Bute (PA32) — 26 companies
- Argyll and Bute (PA33) — 26 companies
- Argyll and Bute (PA34) — 24 companies
- Argyll and Bute (PA35) — 25 companies
- Argyll and Bute (PA36) — 28 companies
- Argyll and Bute (PA37) — 23 companies
- PA38 — Argyll and Bute / Highland (PA38) — 26 companies
- Renfrewshire (PA4) — 24 companies
- Argyll and Bute (PA41) — 20 companies
- Argyll and Bute (PA42) — 21 companies
- Argyll and Bute (PA43) — 19 companies
- Argyll and Bute (PA44) — 19 companies
- Argyll and Bute (PA45) — 19 companies
- Argyll and Bute (PA46) — 18 companies
- Argyll and Bute (PA47) — 20 companies
- Argyll and Bute (PA48) — 20 companies
- Argyll and Bute (PA49) — 20 companies
- Renfrewshire (PA5) — 22 companies
- Renfrewshire (PA6) — 22 companies
- Argyll and Bute (PA60) — 18 companies
- Argyll and Bute (PA61) — 19 companies
- Argyll and Bute (PA62) — 21 companies
- Argyll and Bute (PA63) — 23 companies
- Argyll and Bute (PA64) — 23 companies
- Argyll and Bute (PA65) — 22 companies
- Argyll and Bute (PA66) — 20 companies
- Argyll and Bute (PA67) — 20 companies
- Argyll and Bute (PA68) — 21 companies
- Argyll and Bute (PA69) — 21 companies
- Renfrewshire (PA7) — 22 companies
- Argyll and Bute (PA70) — 21 companies
- Argyll and Bute (PA71) — 22 companies
- Argyll and Bute (PA72) — 22 companies
- Argyll and Bute (PA73) — 21 companies
- Argyll and Bute (PA74) — 21 companies
- Argyll and Bute (PA75) — 21 companies
- Argyll and Bute (PA76) — 20 companies
- Argyll and Bute (PA77) — 20 companies
- Argyll and Bute (PA78) — 20 companies
- Renfrewshire (PA8) — 23 companies
- Highland (PA80) — 23 companies
- Renfrewshire (PA9) — 22 companies
- Perth and Kinross (PH1) — 25 companies
- Perth and Kinross (PH10) — 24 companies
- PH11 — Angus / Perth and Kinross (PH11) — 25 companies
- PH12 — Angus / Perth and Kinross (PH12) — 23 companies
- PH13 — Angus / Perth and Kinross (PH13) — 23 companies
- Perth and Kinross (PH14) — 25 companies
- Perth and Kinross (PH15) — 24 companies
- Perth and Kinross (PH16) — 24 companies
- Perth and Kinross (PH17) — 25 companies
- Perth and Kinross (PH18) — 23 companies
- Highland (PH19) — 23 companies
- PH2 — Fife / Perth and Kinross (PH2) — 27 companies
- Highland (PH20) — 22 companies
- Highland (PH21) — 22 companies
- Highland (PH22) — 22 companies
- Highland (PH23) — 22 companies
- Highland (PH24) — 22 companies
- Highland (PH25) — 21 companies
- Highland (PH26) — 21 companies
- Perth and Kinross (PH3) — 24 companies
- Highland (PH30) — 23 companies
- Highland (PH31) — 22 companies
- Highland (PH32) — 21 companies
- PH33 — Highland / Perth and Kinross (PH33) — 21 companies
- Highland (PH34) — 21 companies
- Highland (PH35) — 23 companies
- Highland (PH36) — 21 companies
- Highland (PH37) — 22 companies
- Highland (PH38) — 22 companies
- Highland (PH39) — 20 companies
- Perth and Kinross (PH4) — 23 companies
- Highland (PH40) — 21 companies
- Highland (PH41) — 21 companies
- Highland (PH42) — 20 companies
- Highland (PH43) — 20 companies
- Highland (PH44) — 20 companies
- Highland (PH49) — 24 companies
- Perth and Kinross (PH5) — 24 companies
- Highland (PH50) — 23 companies
- Perth and Kinross (PH6) — 27 companies
- Perth and Kinross (PH7) — 25 companies
- Perth and Kinross (PH8) — 23 companies
- Perth and Kinross (PH9) — 23 companies
- Scottish Borders (TD1) — 22 companies
- Scottish Borders (TD10) — 28 companies
- TD11 — East Lothian / Scottish Borders (TD11) — 29 companies
- TD13 — East Lothian / Scottish Borders (TD13) — 27 companies
- Scottish Borders (TD14) — 30 companies
- Scottish Borders (TD2) — 23 companies
- Scottish Borders (TD3) — 25 companies
- Scottish Borders (TD4) — 25 companies
- Scottish Borders (TD6) — 26 companies
- Scottish Borders (TD7) — 24 companies
- Scottish Borders (TD8) — 25 companies
- Shetland Islands (ZE1) — 20 companies
- Shetland Islands (ZE2) — 20 companies
- Shetland Islands (ZE3) — 21 companies
South East
- New Forest (BH23) — 29 companies
- New Forest (BH24) — 29 companies
- New Forest (BH25) — 25 companies
- New Forest (BH31) — 31 companies
- BN1 — Brighton and Hove / Lewes / Mid Sussex (BN1) — 29 companies
- Lewes (BN10) — 26 companies
- Worthing (BN11) — 27 companies
- BN12 — Arun / Worthing (BN12) — 24 companies
- BN13 — Arun / Worthing (BN13) — 27 companies
- BN14 — Adur / Arun / Worthing (BN14) — 26 companies
- Adur (BN15) — 24 companies
- Arun (BN16) — 24 companies
- Arun (BN17) — 27 companies
- BN18 — Arun / Chichester / Horsham (BN18) — 30 companies
- BN2 — Brighton and Hove / Lewes (BN2) — 27 companies
- BN20 — Eastbourne / Wealden (BN20) — 24 companies
- Eastbourne (BN21) — 23 companies
- BN22 — Eastbourne / Wealden (BN22) — 23 companies
- BN23 — Eastbourne / Wealden (BN23) — 23 companies
- BN24 — Rother / Wealden (BN24) — 26 companies
- BN25 — Lewes / Wealden (BN25) — 25 companies
- Wealden (BN26) — 25 companies
- Wealden (BN27) — 29 companies
- Brighton and Hove (BN3) — 25 companies
- BN41 — Adur / Brighton and Hove (BN41) — 24 companies
- BN42 — Adur / Brighton and Hove (BN42) — 24 companies
- BN43 — Adur / Horsham (BN43) — 26 companies
- Horsham (BN44) — 25 companies
- Mid Sussex (BN45) — 25 companies
- BN5 — Horsham / Mid Sussex (BN5) — 24 companies
- Brighton and Hove (BN50) — 47 companies
- Brighton and Hove (BN51) — 25 companies
- Brighton and Hove (BN52) — 25 companies
- BN6 — Horsham / Lewes / Mid Sussex (BN6) — 26 companies
- Lewes (BN7) — 26 companies
- BN8 — Lewes / Mid Sussex / Wealden (BN8) — 28 companies
- Brighton and Hove (BN88) — 25 companies
- Lewes (BN9) — 27 companies
- Adur (BN95) — 24 companies
- BN99 — Adur / Worthing (BN99) — 26 companies
- Canterbury (CT1) — 20 companies
- Thanet (CT10) — 20 companies
- Thanet (CT11) — 21 companies
- Thanet (CT12) — 22 companies
- Dover (CT13) — 18 companies
- Dover (CT14) — 18 companies
- CT15 — Dover / Folkestone and Hythe (CT15) — 19 companies
- Dover (CT16) — 17 companies
- Dover (CT17) — 16 companies
- CT18 — Dover / Folkestone and Hythe (CT18) — 17 companies
- Folkestone and Hythe (CT19) — 18 companies
- CT2 — Canterbury / Swale (CT2) — 20 companies
- Folkestone and Hythe (CT20) — 17 companies
- Folkestone and Hythe (CT21) — 17 companies
- CT3 — Canterbury / Dover (CT3) — 19 companies
- CT4 — Ashford / Canterbury / Dover / Folkestone and Hythe (CT4) — 20 companies
- Canterbury (CT5) — 22 companies
- Folkestone and Hythe (CT50) — 17 companies
- Canterbury (CT6) — 21 companies
- CT7 — Canterbury / Thanet (CT7) — 21 companies
- Thanet (CT8) — 21 companies
- Thanet (CT9) — 20 companies
- Dartford (DA10) — 27 companies
- DA11 — Dartford / Gravesham (DA11) — 25 companies
- Gravesham (DA12) — 27 companies
- DA13 — Dartford / Gravesham / Sevenoaks / Tonbridge and Malling (DA13) — 30 companies
- DA2 — Dartford / Sevenoaks (DA2) — 35 companies
- DA3 — Dartford / Gravesham / Sevenoaks (DA3) — 27 companies
- DA4 — Dartford / Sevenoaks (DA4) — 29 companies
- Dartford (DA9) — 30 companies
- West Oxfordshire (GL56) — 25 companies
- Vale of White Horse (GL7) — 28 companies
- Guildford (GU1) — 26 companies
- GU10 — East Hampshire / Guildford / Hart / Waverley (GU10) — 30 companies
- Rushmoor (GU11) — 21 companies
- GU12 — Guildford / Rushmoor / Surrey Heath (GU12) — 23 companies
- GU14 — Guildford / Hart / Rushmoor (GU14) — 24 companies
- GU15 — Bracknell Forest / Surrey Heath (GU15) — 22 companies
- GU16 — Guildford / Rushmoor / Surrey Heath (GU16) — 23 companies
- GU17 — Hart / Rushmoor (GU17) — 21 companies
- GU18 — Surrey Heath / Woking (GU18) — 21 companies
- GU19 — Bracknell Forest / Surrey Heath (GU19) — 21 companies
- Guildford (GU2) — 24 companies
- GU20 — Surrey Heath / Woking (GU20) — 20 companies
- GU21 — Surrey Heath / Woking (GU21) — 23 companies
- Woking (GU22) — 25 companies
- GU23 — Guildford / Woking (GU23) — 27 companies
- GU24 — Guildford / Runnymede / Surrey Heath / Woking (GU24) — 21 companies
- Runnymede (GU25) — 23 companies
- GU26 — East Hampshire / Waverley (GU26) — 30 companies
- GU27 — Chichester / East Hampshire / Waverley (GU27) — 28 companies
- Chichester (GU28) — 34 companies
- Chichester (GU29) — 41 companies
- GU3 — Guildford / Woking (GU3) — 24 companies
- GU30 — Chichester / East Hampshire (GU30) — 34 companies
- GU31 — Chichester / East Hampshire (GU31) — 33 companies
- GU32 — East Hampshire / Winchester (GU32) — 35 companies
- GU33 — Chichester / East Hampshire (GU33) — 33 companies
- GU34 — Basingstoke and Deane / East Hampshire / Hart (GU34) — 36 companies
- East Hampshire (GU35) — 31 companies
- GU4 — Guildford / Waverley / Woking (GU4) — 28 companies
- GU46 — Bracknell Forest / Hart (GU46) — 21 companies
- Bracknell Forest (GU47) — 21 companies
- GU5 — Guildford / Waverley (GU5) — 30 companies
- Hart (GU51) — 22 companies
- Hart (GU52) — 22 companies
- GU6 — Chichester / Waverley (GU6) — 29 companies
- GU7 — Guildford / Waverley (GU7) — 29 companies
- GU8 — Chichester / Guildford / Waverley (GU8) — 32 companies
- Waverley (GU9) — 25 companies
- Buckinghamshire (HP10) — 21 companies
- Buckinghamshire (HP11) — 18 companies
- Buckinghamshire (HP12) — 19 companies
- Buckinghamshire (HP13) — 21 companies
- HP14 — Buckinghamshire / South Oxfordshire (HP14) — 21 companies
- Buckinghamshire (HP15) — 23 companies
- Buckinghamshire (HP16) — 24 companies
- Buckinghamshire (HP17) — 22 companies
- HP18 — Buckinghamshire / Cherwell / South Oxfordshire (HP18) — 19 companies
- Buckinghamshire (HP19) — 21 companies
- Buckinghamshire (HP20) — 21 companies
- Buckinghamshire (HP21) — 23 companies
- Buckinghamshire (HP22) — 25 companies
- Buckinghamshire (HP27) — 21 companies
- Buckinghamshire (HP6) — 25 companies
- Buckinghamshire (HP7) — 25 companies
- Buckinghamshire (HP9) — 19 companies
- Elmbridge (KT10) — 24 companies
- KT11 — Elmbridge / Guildford / Mole Valley (KT11) — 27 companies
- KT12 — Elmbridge / Spelthorne (KT12) — 22 companies
- KT13 — Elmbridge / Runnymede (KT13) — 22 companies
- KT14 — Elmbridge / Runnymede / Woking (KT14) — 25 companies
- KT15 — Runnymede / Woking (KT15) — 24 companies
- KT16 — Runnymede / Spelthorne (KT16) — 21 companies
- KT20 — Mole Valley / Reigate and Banstead (KT20) — 28 companies
- Mole Valley (KT21) — 23 companies
- KT23 — Guildford / Mole Valley (KT23) — 26 companies
- Guildford (KT24) — 26 companies
- ME1 — Medway / Tonbridge and Malling (ME1) — 27 companies
- Swale (ME10) — 20 companies
- Swale (ME11) — 21 companies
- Swale (ME12) — 21 companies
- ME13 — Ashford / Maidstone / Swale (ME13) — 18 companies
- Maidstone (ME14) — 23 companies
- Maidstone (ME15) — 24 companies
- ME16 — Maidstone / Tonbridge and Malling (ME16) — 25 companies
- ME17 — Ashford / Maidstone (ME17) — 24 companies
- ME18 — Maidstone / Tonbridge and Malling (ME18) — 30 companies
- Tonbridge and Malling (ME19) — 30 companies
- ME2 — Gravesham / Medway / Tonbridge and Malling (ME2) — 29 companies
- ME20 — Maidstone / Tonbridge and Malling (ME20) — 25 companies
- ME3 — Gravesham / Medway (ME3) — 30 companies
- Medway (ME4) — 25 companies
- ME5 — Maidstone / Medway / Tonbridge and Malling (ME5) — 24 companies
- Tonbridge and Malling (ME6) — 30 companies
- ME7 — Maidstone / Medway (ME7) — 25 companies
- ME8 — Medway / Swale (ME8) — 23 companies
- ME9 — Maidstone / Medway / Swale (ME9) — 23 companies
- Maidstone (ME99) — 47 companies
- Milton Keynes (MK1) — 20 companies
- Milton Keynes (MK10) — 21 companies
- Milton Keynes (MK11) — 21 companies
- Milton Keynes (MK12) — 21 companies
- Milton Keynes (MK13) — 22 companies
- Milton Keynes (MK14) — 21 companies
- Milton Keynes (MK15) — 22 companies
- MK18 — Buckinghamshire / Cherwell (MK18) — 25 companies
- MK2 — Buckinghamshire / Milton Keynes (MK2) — 20 companies
- MK3 — Buckinghamshire / Milton Keynes (MK3) — 20 companies
- Milton Keynes (MK4) — 19 companies
- Milton Keynes (MK46) — 25 companies
- Milton Keynes (MK5) — 19 companies
- Milton Keynes (MK6) — 20 companies
- Milton Keynes (MK7) — 20 companies
- Milton Keynes (MK77) — 20 companies
- Milton Keynes (MK8) — 20 companies
- Milton Keynes (MK9) — 20 companies
- OX1 — Oxford / Vale of White Horse (OX1) — 19 companies
- South Oxfordshire (OX10) — 19 companies
- OX11 — South Oxfordshire / Vale of White Horse (OX11) — 18 companies
- OX12 — Vale of White Horse / West Berkshire (OX12) — 23 companies
- OX13 — Vale of White Horse / West Oxfordshire (OX13) — 24 companies
- OX14 — South Oxfordshire / Vale of White Horse (OX14) — 19 companies
- Cherwell (OX15) — 29 companies
- Cherwell (OX16) — 27 companies
- West Oxfordshire (OX18) — 20 companies
- OX2 — Cherwell / Oxford / South Oxfordshire / Vale of White Horse (OX2) — 20 companies
- OX20 — Cherwell / West Oxfordshire (OX20) — 24 companies
- OX25 — Cherwell / West Oxfordshire (OX25) — 26 companies
- Cherwell (OX26) — 22 companies
- West Oxfordshire (OX28) — 22 companies
- OX29 — Cherwell / Vale of White Horse / West Oxfordshire (OX29) — 22 companies
- OX3 — Cherwell / Oxford / South Oxfordshire (OX3) — 18 companies
- OX33 — Buckinghamshire / Cherwell / South Oxfordshire (OX33) — 23 companies
- OX39 — Buckinghamshire / South Oxfordshire (OX39) — 21 companies
- OX4 — Oxford / South Oxfordshire (OX4) — 20 companies
- South Oxfordshire (OX44) — 20 companies
- South Oxfordshire (OX49) — 20 companies
- OX5 — Buckinghamshire / Cherwell / West Oxfordshire (OX5) — 21 companies
- Cherwell (OX7) — 29 companies
- OX9 — Buckinghamshire / South Oxfordshire (OX9) — 20 companies
- Portsmouth (PO1) — 33 companies
- PO10 — Chichester / Havant (PO10) — 29 companies
- Havant (PO11) — 31 companies
- Gosport (PO12) — 31 companies
- PO13 — Fareham / Gosport (PO13) — 31 companies
- Fareham (PO14) — 30 companies
- PO15 — Fareham / Winchester (PO15) — 31 companies
- Fareham (PO16) — 31 companies
- PO17 — Fareham / Portsmouth / Winchester (PO17) — 30 companies
- PO18 — Arun / Chichester (PO18) — 39 companies
- Chichester (PO19) — 29 companies
- Portsmouth (PO2) — 30 companies
- PO20 — Arun / Chichester (PO20) — 35 companies
- Arun (PO21) — 33 companies
- Arun (PO22) — 29 companies
- Portsmouth (PO3) — 31 companies
- Isle of Wight (PO30) — 26 companies
- Isle of Wight (PO31) — 24 companies
- Isle of Wight (PO32) — 23 companies
- Isle of Wight (PO33) — 27 companies
- Isle of Wight (PO34) — 28 companies
- Isle of Wight (PO35) — 28 companies
- Isle of Wight (PO36) — 26 companies
- Isle of Wight (PO37) — 26 companies
- Isle of Wight (PO38) — 28 companies
- Isle of Wight (PO39) — 25 companies
- Portsmouth (PO4) — 31 companies
- Isle of Wight (PO40) — 26 companies
- Isle of Wight (PO41) — 28 companies
- Portsmouth (PO5) — 31 companies
- PO6 — Havant / Portsmouth (PO6) — 34 companies
- PO7 — East Hampshire / Havant / Portsmouth / Winchester (PO7) — 37 companies
- PO8 — East Hampshire / Havant / Winchester (PO8) — 35 companies
- PO9 — Chichester / East Hampshire / Havant (PO9) — 31 companies
- RG1 — Reading / Wokingham (RG1) — 16 companies
- RG10 — Bracknell Forest / Windsor and Maidenhead / Wokingham (RG10) — 16 companies
- Bracknell Forest (RG12) — 21 companies
- West Berkshire (RG14) — 19 companies
- West Berkshire (RG17) — 28 companies
- West Berkshire (RG18) — 21 companies
- RG19 — Basingstoke and Deane / Reading / West Berkshire (RG19) — 25 companies
- RG2 — Reading / Wokingham (RG2) — 18 companies
- RG20 — Basingstoke and Deane / West Berkshire (RG20) — 27 companies
- Basingstoke and Deane (RG21) — 26 companies
- Basingstoke and Deane (RG22) — 27 companies
- Basingstoke and Deane (RG23) — 27 companies
- Basingstoke and Deane (RG24) — 27 companies
- RG25 — Basingstoke and Deane / East Hampshire / Hart (RG25) — 31 companies
- RG26 — Basingstoke and Deane / West Berkshire (RG26) — 23 companies
- RG27 — Basingstoke and Deane / Hart / Reading / Wokingham (RG27) — 25 companies
- RG28 — Basingstoke and Deane / Test Valley (RG28) — 29 companies
- RG29 — Basingstoke and Deane / East Hampshire / Hart (RG29) — 23 companies
- RG30 — Reading / West Berkshire (RG30) — 17 companies
- RG31 — Reading / West Berkshire (RG31) — 17 companies
- RG4 — Reading / South Oxfordshire / Wokingham (RG4) — 18 companies
- RG40 — Bracknell Forest / Windsor and Maidenhead / Wokingham (RG40) — 20 companies
- Wokingham (RG41) — 21 companies
- RG42 — Bracknell Forest / Windsor and Maidenhead / Wokingham (RG42) — 20 companies
- RG45 — Bracknell Forest / Wokingham (RG45) — 20 companies
- RG5 — Reading / Wokingham (RG5) — 16 companies
- RG6 — Reading / Wokingham (RG6) — 16 companies
- RG7 — Multiple areas (RG7) — 25 companies
- RG8 — South Oxfordshire / West Berkshire (RG8) — 19 companies
- RG9 — Multiple areas (RG9) — 21 companies
- RH1 — Reigate and Banstead / Tandridge (RH1) — 30 companies
- RH10 — Crawley / Mid Sussex / Tandridge (RH10) — 28 companies
- RH11 — Crawley / Horsham / Mid Sussex (RH11) — 27 companies
- RH12 — Horsham / Mole Valley / Waverley (RH12) — 28 companies
- RH13 — Horsham / Mid Sussex (RH13) — 26 companies
- RH14 — Chichester / Horsham / Waverley (RH14) — 31 companies
- RH15 — Lewes / Mid Sussex (RH15) — 26 companies
- RH16 — Lewes / Mid Sussex (RH16) — 25 companies
- RH17 — Horsham / Lewes / Mid Sussex / Wealden (RH17) — 31 companies
- RH18 — Mid Sussex / Wealden (RH18) — 29 companies
- RH19 — Mid Sussex / Tandridge / Wealden (RH19) — 28 companies
- RH2 — Mole Valley / Reigate and Banstead (RH2) — 29 companies
- RH20 — Chichester / Horsham (RH20) — 28 companies
- Mole Valley (RH3) — 26 companies
- Mole Valley (RH4) — 31 companies
- RH5 — Guildford / Horsham / Mole Valley / Waverley (RH5) — 33 companies
- RH6 — Crawley / Mole Valley / Reigate and Banstead / Tandridge (RH6) — 29 companies
- Tandridge (RH7) — 30 companies
- Crawley (RH77) — 26 companies
- Tandridge (RH8) — 32 companies
- RH9 — Reigate and Banstead / Tandridge (RH9) — 31 companies
- SL0 — Buckinghamshire / Slough (SL0) — 22 companies
- SL1 — Buckinghamshire / Slough (SL1) — 20 companies
- SL2 — Buckinghamshire / Slough (SL2) — 22 companies
- SL3 — Buckinghamshire / Slough / Windsor and Maidenhead (SL3) — 20 companies
- SL4 — Multiple areas (SL4) — 20 companies
- SL5 — Multiple areas (SL5) — 23 companies
- SL6 — Buckinghamshire / Slough / Windsor and Maidenhead (SL6) — 19 companies
- Windsor and Maidenhead (SL60) — 39 companies
- SL7 — Buckinghamshire / Windsor and Maidenhead (SL7) — 19 companies
- SL8 — Buckinghamshire / Windsor and Maidenhead (SL8) — 17 companies
- Slough (SL95) — 19 companies
- Vale of White Horse (SN6) — 27 companies
- Vale of White Horse (SN7) — 26 companies
- West Berkshire (SN8) — 35 companies
- Southampton (SO14) — 27 companies
- Southampton (SO15) — 26 companies
- SO16 — Southampton / Test Valley (SO16) — 28 companies
- Southampton (SO17) — 26 companies
- SO18 — Eastleigh / Southampton (SO18) — 27 companies
- SO19 — Eastleigh / Southampton (SO19) — 28 companies
- SO20 — Test Valley / Winchester (SO20) — 33 companies
- SO21 — Basingstoke and Deane / Eastleigh / Test Valley / Winchester (SO21) — 36 companies
- Winchester (SO22) — 30 companies
- Winchester (SO23) — 31 companies
- SO24 — Basingstoke and Deane / East Hampshire / Winchester (SO24) — 36 companies
- Winchester (SO25) — 29 companies
- SO30 — Eastleigh / Winchester (SO30) — 28 companies
- SO31 — Eastleigh / Fareham (SO31) — 26 companies
- SO32 — Eastleigh / Winchester (SO32) — 31 companies
- New Forest (SO40) — 28 companies
- New Forest (SO41) — 32 companies
- New Forest (SO42) — 30 companies
- New Forest (SO43) — 32 companies
- New Forest (SO45) — 25 companies
- SO50 — Eastleigh / Test Valley / Winchester (SO50) — 28 companies
- New Forest (SO51) — 31 companies
- Test Valley (SO52) — 26 companies
- SO53 — Eastleigh / Test Valley / Winchester (SO53) — 28 companies
- Eastleigh (SO97) — 28 companies
- Test Valley (SP10) — 30 companies
- Basingstoke and Deane (SP11) — 32 companies
- Test Valley (SP4) — 29 companies
- New Forest (SP5) — 33 companies
- New Forest (SP6) — 29 companies
- Test Valley (SP9) — 26 companies
- TN1 — Tonbridge and Malling / Tunbridge Wells (TN1) — 31 companies
- Tonbridge and Malling (TN10) — 33 companies
- TN11 — Sevenoaks / Tonbridge and Malling / Tunbridge Wells (TN11) — 34 companies
- TN12 — Maidstone / Tonbridge and Malling / Tunbridge Wells (TN12) — 32 companies
- Sevenoaks (TN13) — 28 companies
- TN15 — Gravesham / Sevenoaks / Tonbridge and Malling (TN15) — 31 companies
- TN17 — Ashford / Maidstone / Tunbridge Wells (TN17) — 23 companies
- TN18 — Ashford / Rother / Tunbridge Wells (TN18) — 25 companies
- TN19 — Rother / Wealden (TN19) — 28 companies
- TN2 — Tonbridge and Malling / Tunbridge Wells / Wealden (TN2) — 32 companies
- Wealden (TN20) — 28 companies
- TN21 — Rother / Wealden (TN21) — 28 companies
- TN22 — Lewes / Wealden (TN22) — 31 companies
- Ashford (TN23) — 21 companies
- Ashford (TN24) — 22 companies
- TN25 — Ashford / Folkestone and Hythe (TN25) — 22 companies
- TN26 — Ashford / Folkestone and Hythe (TN26) — 20 companies
- TN27 — Ashford / Maidstone / Swale / Tunbridge Wells (TN27) — 26 companies
- Folkestone and Hythe (TN28) — 18 companies
- Folkestone and Hythe (TN29) — 20 companies
- TN3 — Sevenoaks / Tonbridge and Malling / Tunbridge Wells / Wealden (TN3) — 31 companies
- Ashford (TN30) — 19 companies
- TN31 — Folkestone and Hythe / Rother (TN31) — 21 companies
- Rother (TN32) — 24 companies
- TN33 — Rother / Wealden (TN33) — 23 companies
- TN34 — Hastings / Rother (TN34) — 19 companies
- TN35 — Hastings / Rother (TN35) — 19 companies
- Rother (TN36) — 20 companies
- TN37 — Hastings / Rother (TN37) — 19 companies
- TN38 — Hastings / Rother (TN38) — 20 companies
- TN39 — Rother / Wealden (TN39) — 22 companies
- TN4 — Tonbridge and Malling / Tunbridge Wells (TN4) — 32 companies
- TN40 — Hastings / Rother (TN40) — 22 companies
- TN5 — Rother / Tonbridge and Malling / Tunbridge Wells / Wealden (TN5) — 30 companies
- Wealden (TN6) — 26 companies
- Wealden (TN7) — 29 companies
- TN8 — Sevenoaks / Tandridge / Wealden (TN8) — 35 companies
- Tonbridge and Malling (TN9) — 33 companies
- TW16 — Elmbridge / Spelthorne (TW16) — 20 companies
- TW17 — Elmbridge / Spelthorne (TW17) — 21 companies
- TW18 — Runnymede / Spelthorne / Windsor and Maidenhead (TW18) — 19 companies
- Runnymede (TW20) — 22 companies
South West
- BA1 — Bath and North East Somerset / South Gloucestershire (BA1) — 26 companies
- Somerset (BA10) — 28 companies
- BA11 — Somerset / Wiltshire (BA11) — 27 companies
- Wiltshire (BA12) — 33 companies
- BA13 — Somerset / Wiltshire (BA13) — 24 companies
- Wiltshire (BA14) — 26 companies
- BA15 — Bath and North East Somerset / Wiltshire (BA15) — 27 companies
- Somerset (BA16) — 25 companies
- BA2 — Bath and North East Somerset / Somerset / Wiltshire (BA2) — 28 companies
- Somerset (BA20) — 30 companies
- BA21 — Dorset / Somerset (BA21) — 30 companies
- BA22 — Dorset / Somerset (BA22) — 34 companies
- BA3 — Bath and North East Somerset / Somerset (BA3) — 30 companies
- Somerset (BA4) — 28 companies
- Somerset (BA5) — 27 companies
- Somerset (BA6) — 32 companies
- Somerset (BA7) — 30 companies
- BA8 — Dorset / Somerset (BA8) — 29 companies
- Somerset (BA9) — 27 companies
- Bournemouth, Christchurch and Poole (BH1) — 27 companies
- Bournemouth, Christchurch and Poole (BH10) — 28 companies
- Bournemouth, Christchurch and Poole (BH11) — 28 companies
- Bournemouth, Christchurch and Poole (BH12) — 28 companies
- BH13 — Bournemouth, Christchurch and Poole / Dorset (BH13) — 27 companies
- Bournemouth, Christchurch and Poole (BH14) — 29 companies
- BH15 — Bournemouth, Christchurch and Poole / Dorset (BH15) — 28 companies
- BH16 — Bournemouth, Christchurch and Poole / Dorset (BH16) — 28 companies
- Bournemouth, Christchurch and Poole (BH17) — 29 companies
- BH18 — Bournemouth, Christchurch and Poole / Dorset (BH18) — 28 companies
- Dorset (BH19) — 25 companies
- Bournemouth, Christchurch and Poole (BH2) — 26 companies
- Dorset (BH20) — 32 companies
- BH21 — Bournemouth, Christchurch and Poole / Dorset (BH21) — 30 companies
- Dorset (BH22) — 30 companies
- Bournemouth, Christchurch and Poole (BH3) — 26 companies
- Bournemouth, Christchurch and Poole (BH4) — 27 companies
- Bournemouth, Christchurch and Poole (BH5) — 25 companies
- Bournemouth, Christchurch and Poole (BH6) — 26 companies
- Bournemouth, Christchurch and Poole (BH7) — 26 companies
- Bournemouth, Christchurch and Poole (BH8) — 27 companies
- Bournemouth, Christchurch and Poole (BH9) — 26 companies
- BS10 — Bristol, City of / South Gloucestershire (BS10) — 27 companies
- Bristol, City of (BS11) — 27 companies
- BS13 — Bristol, City of / North Somerset (BS13) — 28 companies
- BS14 — Bath and North East Somerset / Bristol, City of (BS14) — 28 companies
- BS15 — Bristol, City of / South Gloucestershire (BS15) — 24 companies
- BS16 — Bristol, City of / South Gloucestershire (BS16) — 25 companies
- Bristol, City of (BS2) — 29 companies
- North Somerset (BS20) — 28 companies
- North Somerset (BS21) — 28 companies
- North Somerset (BS22) — 25 companies
- North Somerset (BS23) — 21 companies
- BS24 — North Somerset / Somerset (BS24) — 23 companies
- BS25 — North Somerset / Somerset (BS25) — 28 companies
- BS26 — North Somerset / Somerset (BS26) — 26 companies
- Somerset (BS27) — 26 companies
- Somerset (BS28) — 26 companies
- North Somerset (BS29) — 24 companies
- BS3 — Bristol, City of / North Somerset (BS3) — 29 companies
- South Gloucestershire (BS30) — 25 companies
- BS31 — Multiple areas (BS31) — 25 companies
- South Gloucestershire (BS32) — 27 companies
- South Gloucestershire (BS34) — 25 companies
- South Gloucestershire (BS35) — 30 companies
- South Gloucestershire (BS36) — 24 companies
- South Gloucestershire (BS37) — 25 companies
- BS39 — Bath and North East Somerset / Somerset (BS39) — 26 companies
- Bristol, City of (BS4) — 27 companies
- BS40 — Bath and North East Somerset / North Somerset / Somerset (BS40) — 25 companies
- BS41 — Bath and North East Somerset / North Somerset (BS41) — 29 companies
- North Somerset (BS48) — 29 companies
- North Somerset (BS49) — 27 companies
- Bristol, City of (BS5) — 29 companies
- Bristol, City of (BS6) — 26 companies
- BS7 — Bristol, City of / South Gloucestershire (BS7) — 26 companies
- BS8 — Bristol, City of / North Somerset (BS8) — 27 companies
- Bristol, City of (BS9) — 27 companies
- Bristol, City of (BS98) — 28 companies
- Bristol, City of (BS99) — 27 companies
- Dorset (DT1) — 26 companies
- DT10 — Dorset / Somerset (DT10) — 33 companies
- Dorset (DT11) — 31 companies
- Dorset (DT2) — 30 companies
- Dorset (DT3) — 29 companies
- Dorset (DT4) — 26 companies
- Dorset (DT5) — 26 companies
- Dorset (DT6) — 31 companies
- DT7 — Dorset / East Devon (DT7) — 29 companies
- DT8 — Dorset / Somerset (DT8) — 31 companies
- DT9 — Dorset / Somerset (DT9) — 32 companies
- EX1 — East Devon / Exeter (EX1) — 33 companies
- East Devon (EX10) — 32 companies
- East Devon (EX11) — 30 companies
- East Devon (EX12) — 28 companies
- EX13 — Dorset / East Devon / Somerset (EX13) — 29 companies
- EX14 — East Devon / Mid Devon / Somerset (EX14) — 27 companies
- EX15 — East Devon / Mid Devon (EX15) — 27 companies
- EX16 — Mid Devon / North Devon / Somerset (EX16) — 30 companies
- EX17 — Mid Devon / North Devon / West Devon (EX17) — 32 companies
- EX18 — Mid Devon / North Devon / Torridge (EX18) — 34 companies
- EX19 — Torridge / West Devon (EX19) — 34 companies
- EX2 — East Devon / Exeter / Teignbridge (EX2) — 35 companies
- EX20 — Mid Devon / Torridge / West Devon (EX20) — 37 companies
- EX21 — Torridge / West Devon (EX21) — 37 companies
- EX22 — Cornwall / Torridge (EX22) — 37 companies
- EX23 — Cornwall / Torridge (EX23) — 33 companies
- East Devon (EX24) — 29 companies
- EX3 — East Devon / Exeter (EX3) — 33 companies
- EX31 — North Devon / Torridge (EX31) — 34 companies
- North Devon (EX32) — 30 companies
- North Devon (EX33) — 29 companies
- North Devon (EX34) — 28 companies
- EX35 — North Devon / Somerset (EX35) — 28 companies
- EX36 — North Devon / Somerset (EX36) — 34 companies
- EX37 — North Devon / Torridge (EX37) — 34 companies
- Torridge (EX38) — 38 companies
- EX39 — North Devon / Torridge (EX39) — 37 companies
- EX4 — East Devon / Exeter / Teignbridge (EX4) — 33 companies
- EX5 — East Devon / Exeter / Mid Devon (EX5) — 34 companies
- EX6 — Exeter / Mid Devon / Teignbridge / West Devon (EX6) — 33 companies
- Teignbridge (EX7) — 31 companies
- East Devon (EX8) — 34 companies
- East Devon (EX9) — 33 companies
- Gloucester (GL1) — 22 companies
- Stroud (GL10) — 25 companies
- Stroud (GL11) — 23 companies
- GL12 — Cotswold / South Gloucestershire / Stroud (GL12) — 28 companies
- GL13 — South Gloucestershire / Stroud (GL13) — 26 companies
- Forest of Dean (GL14) — 23 companies
- Forest of Dean (GL15) — 28 companies
- Forest of Dean (GL16) — 28 companies
- Forest of Dean (GL17) — 23 companies
- Forest of Dean (GL18) — 25 companies
- Forest of Dean (GL19) — 25 companies
- GL2 — Forest of Dean / Gloucester / Stroud / Tewkesbury (GL2) — 27 companies
- Tewkesbury (GL20) — 21 companies
- GL3 — Gloucester / Stroud / Tewkesbury (GL3) — 23 companies
- GL4 — Cotswold / Gloucester / Stroud / Tewkesbury (GL4) — 22 companies
- Stroud (GL5) — 22 companies
- Cheltenham (GL50) — 22 companies
- GL51 — Cheltenham / Tewkesbury (GL51) — 22 companies
- GL52 — Cheltenham / Tewkesbury (GL52) — 25 companies
- GL53 — Cheltenham / Cotswold / Tewkesbury (GL53) — 22 companies
- GL54 — Cheltenham / Cotswold / Tewkesbury (GL54) — 26 companies
- Cotswold (GL55) — 28 companies
- GL6 — Cotswold / Stroud (GL6) — 23 companies
- GL8 — Cotswold / Stroud / Wiltshire (GL8) — 23 companies
- GL9 — Cotswold / South Gloucestershire / Stroud / Wiltshire (GL9) — 28 companies
- Forest of Dean (HR8) — 29 companies
- Forest of Dean (HR9) — 27 companies
- Forest of Dean (NP16) — 27 companies
- Forest of Dean (NP25) — 26 companies
- Plymouth (PL1) — 38 companies
- Cornwall (PL10) — 37 companies
- Cornwall (PL11) — 37 companies
- Cornwall (PL12) — 36 companies
- Cornwall (PL13) — 34 companies
- Cornwall (PL14) — 32 companies
- PL15 — Cornwall / Torridge / West Devon (PL15) — 34 companies
- PL16 — Torridge / West Devon (PL16) — 36 companies
- Cornwall (PL17) — 35 companies
- Cornwall (PL18) — 37 companies
- West Devon (PL19) — 36 companies
- Plymouth (PL2) — 37 companies
- PL20 — South Hams / Teignbridge / West Devon (PL20) — 42 companies
- South Hams (PL21) — 39 companies
- Cornwall (PL22) — 34 companies
- Cornwall (PL23) — 34 companies
- Cornwall (PL24) — 34 companies
- Cornwall (PL25) — 34 companies
- Cornwall (PL26) — 36 companies
- Cornwall (PL27) — 35 companies
- Cornwall (PL28) — 33 companies
- Cornwall (PL29) — 33 companies
- Plymouth (PL3) — 38 companies
- Cornwall (PL30) — 34 companies
- Cornwall (PL31) — 34 companies
- Cornwall (PL32) — 35 companies
- Cornwall (PL33) — 33 companies
- Cornwall (PL34) — 34 companies
- Cornwall (PL35) — 34 companies
- Plymouth (PL4) — 37 companies
- PL5 — Plymouth / South Hams (PL5) — 38 companies
- PL6 — Plymouth / South Hams / West Devon (PL6) — 38 companies
- PL7 — Plymouth / South Hams / West Devon (PL7) — 39 companies
- South Hams (PL8) — 39 companies
- PL9 — Plymouth / South Hams (PL9) — 37 companies
- Plymouth (PL95) — 37 companies
- Swindon (SN1) — 24 companies
- Wiltshire (SN10) — 25 companies
- Wiltshire (SN11) — 27 companies
- Wiltshire (SN12) — 25 companies
- Wiltshire (SN13) — 23 companies
- SN14 — South Gloucestershire / Wiltshire (SN14) — 24 companies
- Wiltshire (SN15) — 23 companies
- SN16 — Cotswold / Wiltshire (SN16) — 27 companies
- Swindon (SN2) — 23 companies
- SN25 — Swindon / Wiltshire (SN25) — 22 companies
- Swindon (SN26) — 23 companies
- Swindon (SN3) — 25 companies
- Swindon (SN38) — 26 companies
- SN4 — Swindon / Wiltshire (SN4) — 21 companies
- SN5 — Swindon / Wiltshire (SN5) — 24 companies
- Wiltshire (SN9) — 33 companies
- Swindon (SN99) — 23 companies
- Wiltshire (SP1) — 31 companies
- Wiltshire (SP2) — 31 companies
- Wiltshire (SP3) — 34 companies
- SP7 — Dorset / Wiltshire (SP7) — 30 companies
- Dorset (SP8) — 30 companies
- Somerset (TA1) — 25 companies
- Somerset (TA10) — 31 companies
- Somerset (TA11) — 32 companies
- Somerset (TA12) — 31 companies
- Somerset (TA13) — 30 companies
- Somerset (TA14) — 28 companies
- Somerset (TA15) — 30 companies
- Somerset (TA16) — 30 companies
- Somerset (TA17) — 28 companies
- TA18 — Dorset / Somerset (TA18) — 31 companies
- Somerset (TA19) — 28 companies
- Somerset (TA2) — 26 companies
- TA20 — Dorset / East Devon / Somerset (TA20) — 25 companies
- TA21 — Mid Devon / Somerset (TA21) — 28 companies
- TA22 — Mid Devon / North Devon / Somerset (TA22) — 27 companies
- Somerset (TA23) — 26 companies
- Somerset (TA24) — 33 companies
- TA3 — East Devon / Somerset (TA3) — 29 companies
- TA4 — Mid Devon / Somerset (TA4) — 30 companies
- Somerset (TA5) — 26 companies
- Somerset (TA6) — 30 companies
- Somerset (TA7) — 29 companies
- Somerset (TA8) — 24 companies
- Somerset (TA9) — 26 companies
- TQ1 — Teignbridge / Torbay (TQ1) — 35 companies
- South Hams (TQ10) — 40 companies
- TQ11 — South Hams / Teignbridge (TQ11) — 33 companies
- TQ12 — South Hams / Teignbridge / Torbay (TQ12) — 33 companies
- TQ13 — South Hams / Teignbridge / West Devon (TQ13) — 37 companies
- Teignbridge (TQ14) — 32 companies
- TQ2 — Teignbridge / Torbay (TQ2) — 35 companies
- TQ3 — South Hams / Teignbridge / Torbay (TQ3) — 33 companies
- Torbay (TQ4) — 33 companies
- TQ5 — South Hams / Torbay (TQ5) — 32 companies
- South Hams (TQ6) — 33 companies
- South Hams (TQ7) — 40 companies
- South Hams (TQ8) — 37 companies
- TQ9 — South Hams / Teignbridge (TQ9) — 36 companies
- Cornwall (TR1) — 36 companies
- Cornwall (TR10) — 35 companies
- Cornwall (TR11) — 35 companies
- Cornwall (TR12) — 38 companies
- Cornwall (TR13) — 37 companies
- Cornwall (TR14) — 34 companies
- Cornwall (TR15) — 35 companies
- Cornwall (TR16) — 36 companies
- Cornwall (TR17) — 34 companies
- Cornwall (TR18) — 34 companies
- Cornwall (TR19) — 36 companies
- Cornwall (TR2) — 39 companies
- Cornwall (TR20) — 35 companies
- TR21 — Cornwall / Isles of Scilly (TR21) — 35 companies
- Isles of Scilly (TR22) — 34 companies
- Isles of Scilly (TR23) — 33 companies
- Isles of Scilly (TR24) — 34 companies
- Isles of Scilly (TR25) — 34 companies
- Cornwall (TR26) — 34 companies
- Cornwall (TR27) — 34 companies
- Cornwall (TR3) — 36 companies
- Cornwall (TR4) — 37 companies
- Cornwall (TR5) — 35 companies
- Cornwall (TR6) — 35 companies
- Cornwall (TR7) — 34 companies
- Cornwall (TR8) — 36 companies
- Cornwall (TR9) — 36 companies
- Cotswold (WR11) — 27 companies
- Cotswold (WR12) — 27 companies
- Forest of Dean (WR13) — 28 companies
- Tewkesbury (WR8) — 28 companies
South Yorkshire
Tyne and Wear
Wales
- Cardiff (CF10) — 26 companies
- CF11 — Cardiff / Vale of Glamorgan (CF11) — 26 companies
- CF14 — Caerphilly / Cardiff (CF14) — 27 companies
- CF15 — Caerphilly / Cardiff / Rhondda Cynon Taf (CF15) — 28 companies
- Cardiff (CF23) — 25 companies
- Cardiff (CF24) — 26 companies
- CF3 — Caerphilly / Cardiff / Newport (CF3) — 27 companies
- Cardiff (CF30) — 47 companies
- Bridgend (CF31) — 25 companies
- CF32 — Bridgend / Vale of Glamorgan (CF32) — 27 companies
- CF33 — Bridgend / Neath Port Talbot (CF33) — 25 companies
- Bridgend (CF34) — 26 companies
- CF35 — Bridgend / Rhondda Cynon Taf / Vale of Glamorgan (CF35) — 24 companies
- Bridgend (CF36) — 25 companies
- CF37 — Caerphilly / Rhondda Cynon Taf (CF37) — 22 companies
- Rhondda Cynon Taf (CF38) — 24 companies
- CF39 — Bridgend / Rhondda Cynon Taf (CF39) — 20 companies
- Rhondda Cynon Taf (CF40) — 24 companies
- Rhondda Cynon Taf (CF41) — 24 companies
- Rhondda Cynon Taf (CF42) — 23 companies
- Rhondda Cynon Taf (CF43) — 22 companies
- CF44 — Merthyr Tydfil / Powys / Rhondda Cynon Taf (CF44) — 24 companies
- Rhondda Cynon Taf (CF45) — 23 companies
- CF46 — Caerphilly / Merthyr Tydfil (CF46) — 24 companies
- Merthyr Tydfil (CF47) — 23 companies
- CF48 — Caerphilly / Merthyr Tydfil / Powys / Rhondda Cynon Taf (CF48) — 25 companies
- CF5 — Cardiff / Vale of Glamorgan (CF5) — 27 companies
- Vale of Glamorgan (CF61) — 27 companies
- Vale of Glamorgan (CF62) — 28 companies
- Vale of Glamorgan (CF63) — 26 companies
- Vale of Glamorgan (CF64) — 25 companies
- Vale of Glamorgan (CF71) — 31 companies
- CF72 — Bridgend / Cardiff / Rhondda Cynon Taf / Vale of Glamorgan (CF72) — 27 companies
- Caerphilly (CF81) — 25 companies
- Caerphilly (CF82) — 24 companies
- CF83 — Caerphilly / Cardiff / Rhondda Cynon Taf (CF83) — 26 companies
- Cardiff (CF91) — 26 companies
- Cardiff (CF95) — 26 companies
- Cardiff (CF99) — 26 companies
- Flintshire (CH5) — 28 companies
- Flintshire (CH6) — 30 companies
- CH7 — Denbighshire / Flintshire (CH7) — 32 companies
- CH8 — Denbighshire / Flintshire (CH8) — 34 companies
- Powys (HR3) — 26 companies
- Powys (HR5) — 27 companies
- Powys (LD1) — 25 companies
- Powys (LD2) — 26 companies
- Powys (LD3) — 24 companies
- Powys (LD4) — 22 companies
- Powys (LD5) — 24 companies
- Powys (LD6) — 23 companies
- Powys (LD7) — 24 companies
- Powys (LD8) — 25 companies
- LL11 — Denbighshire / Flintshire / Wrexham (LL11) — 26 companies
- LL12 — Flintshire / Wrexham (LL12) — 26 companies
- Wrexham (LL13) — 28 companies
- Wrexham (LL14) — 25 companies
- Denbighshire (LL15) — 31 companies
- LL16 — Conwy / Denbighshire (LL16) — 32 companies
- LL17 — Conwy / Denbighshire (LL17) — 32 companies
- LL18 — Conwy / Denbighshire / Flintshire (LL18) — 33 companies
- LL19 — Denbighshire / Flintshire (LL19) — 32 companies
- LL20 — Denbighshire / Wrexham (LL20) — 24 companies
- LL21 — Conwy / Denbighshire / Gwynedd (LL21) — 26 companies
- LL22 — Conwy / Denbighshire (LL22) — 31 companies
- Gwynedd (LL23) — 24 companies
- Conwy (LL24) — 29 companies
- Conwy (LL25) — 28 companies
- Conwy (LL26) — 30 companies
- Conwy (LL27) — 29 companies
- Conwy (LL28) — 31 companies
- Conwy (LL29) — 31 companies
- Conwy (LL30) — 30 companies
- Conwy (LL31) — 31 companies
- Conwy (LL32) — 30 companies
- LL33 — Conwy / Gwynedd (LL33) — 31 companies
- Conwy (LL34) — 30 companies
- Gwynedd (LL35) — 23 companies
- Gwynedd (LL36) — 23 companies
- Gwynedd (LL37) — 21 companies
- Gwynedd (LL38) — 21 companies
- Gwynedd (LL39) — 22 companies
- Gwynedd (LL40) — 24 companies
- Gwynedd (LL41) — 25 companies
- Gwynedd (LL42) — 22 companies
- Gwynedd (LL43) — 21 companies
- Gwynedd (LL44) — 22 companies
- Gwynedd (LL45) — 23 companies
- Gwynedd (LL46) — 25 companies
- Gwynedd (LL47) — 25 companies
- Gwynedd (LL48) — 25 companies
- Gwynedd (LL49) — 25 companies
- Gwynedd (LL51) — 26 companies
- Gwynedd (LL52) — 26 companies
- Gwynedd (LL53) — 24 companies
- Gwynedd (LL54) — 28 companies
- Gwynedd (LL55) — 29 companies
- Gwynedd (LL56) — 29 companies
- Gwynedd (LL57) — 30 companies
- Isle of Anglesey (LL58) — 31 companies
- LL59 — Gwynedd / Isle of Anglesey (LL59) — 30 companies
- Isle of Anglesey (LL60) — 30 companies
- Isle of Anglesey (LL61) — 30 companies
- Isle of Anglesey (LL62) — 29 companies
- Isle of Anglesey (LL63) — 30 companies
- Isle of Anglesey (LL64) — 30 companies
- Isle of Anglesey (LL65) — 32 companies
- Isle of Anglesey (LL66) — 31 companies
- Isle of Anglesey (LL67) — 31 companies
- Isle of Anglesey (LL68) — 31 companies
- Isle of Anglesey (LL69) — 31 companies
- Isle of Anglesey (LL70) — 31 companies
- Isle of Anglesey (LL71) — 32 companies
- Isle of Anglesey (LL72) — 31 companies
- Isle of Anglesey (LL73) — 32 companies
- Isle of Anglesey (LL74) — 32 companies
- Isle of Anglesey (LL75) — 31 companies
- Isle of Anglesey (LL76) — 31 companies
- Isle of Anglesey (LL77) — 54 companies
- Isle of Anglesey (LL78) — 32 companies
- NP10 — Caerphilly / Newport (NP10) — 24 companies
- NP11 — Blaenau Gwent / Caerphilly / Torfaen (NP11) — 27 companies
- Caerphilly (NP12) — 26 companies
- NP13 — Blaenau Gwent / Caerphilly (NP13) — 29 companies
- Monmouthshire (NP15) — 25 companies
- NP18 — Monmouthshire / Newport / Torfaen (NP18) — 25 companies
- Newport (NP19) — 24 companies
- Newport (NP20) — 24 companies
- NP22 — Blaenau Gwent / Caerphilly (NP22) — 26 companies
- NP23 — Blaenau Gwent / Monmouthshire (NP23) — 26 companies
- Caerphilly (NP24) — 25 companies
- NP26 — Monmouthshire / Newport (NP26) — 28 companies
- NP4 — Monmouthshire / Torfaen (NP4) — 26 companies
- NP44 — Monmouthshire / Torfaen (NP44) — 24 companies
- Monmouthshire (NP7) — 26 companies
- NP8 — Monmouthshire / Powys (NP8) — 28 companies
- SA1 — Neath Port Talbot / Swansea (SA1) — 23 companies
- SA10 — Neath Port Talbot / Powys (SA10) — 29 companies
- SA11 — Neath Port Talbot / Powys / Rhondda Cynon Taf (SA11) — 25 companies
- Neath Port Talbot (SA12) — 25 companies
- Neath Port Talbot (SA13) — 30 companies
- Carmarthenshire (SA14) — 25 companies
- Carmarthenshire (SA15) — 25 companies
- Carmarthenshire (SA16) — 26 companies
- Carmarthenshire (SA17) — 26 companies
- SA18 — Carmarthenshire / Neath Port Talbot / Swansea (SA18) — 23 companies
- Carmarthenshire (SA19) — 23 companies
- Swansea (SA2) — 23 companies
- Carmarthenshire (SA20) — 25 companies
- Swansea (SA3) — 23 companies
- Carmarthenshire (SA31) — 27 companies
- Carmarthenshire (SA32) — 28 companies
- Carmarthenshire (SA33) — 28 companies
- SA34 — Carmarthenshire / Pembrokeshire (SA34) — 25 companies
- SA35 — Carmarthenshire / Pembrokeshire (SA35) — 25 companies
- Pembrokeshire (SA36) — 24 companies
- SA37 — Carmarthenshire / Pembrokeshire (SA37) — 27 companies
- SA38 — Carmarthenshire / Ceredigion (SA38) — 26 companies
- SA39 — Carmarthenshire / Ceredigion (SA39) — 28 companies
- SA4 — Carmarthenshire / Swansea (SA4) — 24 companies
- SA40 — Carmarthenshire / Ceredigion (SA40) — 27 companies
- Pembrokeshire (SA41) — 26 companies
- Pembrokeshire (SA42) — 25 companies
- SA43 — Ceredigion / Pembrokeshire (SA43) — 28 companies
- SA44 — Carmarthenshire / Ceredigion (SA44) — 31 companies
- Ceredigion (SA45) — 28 companies
- Ceredigion (SA46) — 28 companies
- Ceredigion (SA47) — 30 companies
- SA48 — Carmarthenshire / Ceredigion (SA48) — 28 companies
- Swansea (SA5) — 23 companies
- Swansea (SA6) — 24 companies
- Pembrokeshire (SA61) — 22 companies
- Pembrokeshire (SA62) — 26 companies
- Pembrokeshire (SA63) — 22 companies
- Pembrokeshire (SA64) — 25 companies
- Pembrokeshire (SA65) — 25 companies
- SA66 — Carmarthenshire / Pembrokeshire (SA66) — 25 companies
- SA67 — Carmarthenshire / Pembrokeshire (SA67) — 22 companies
- Pembrokeshire (SA68) — 24 companies
- Pembrokeshire (SA69) — 22 companies
- SA7 — Neath Port Talbot / Swansea (SA7) — 23 companies
- Pembrokeshire (SA70) — 24 companies
- Pembrokeshire (SA71) — 23 companies
- Pembrokeshire (SA72) — 25 companies
- Pembrokeshire (SA73) — 25 companies
- SA8 — Neath Port Talbot / Swansea (SA8) — 23 companies
- Swansea (SA80) — 45 companies
- SA9 — Carmarthenshire / Neath Port Talbot / Powys (SA9) — 26 companies
- Swansea (SA99) — 23 companies
- Wrexham (SY10) — 27 companies
- Powys (SY15) — 24 companies
- Powys (SY16) — 20 companies
- Powys (SY17) — 26 companies
- Powys (SY18) — 22 companies
- Powys (SY19) — 28 companies
- SY20 — Ceredigion / Gwynedd / Powys (SY20) — 23 companies
- Powys (SY21) — 24 companies
- Powys (SY22) — 25 companies
- SY23 — Ceredigion / Powys (SY23) — 24 companies
- Ceredigion (SY24) — 23 companies
- SY25 — Ceredigion / Powys (SY25) — 29 companies
- Powys (SY5) — 26 companies
- Powys (SY7) — 28 companies
- Powys (SY9) — 22 companies
West Midlands
- Birmingham (B1) — 29 companies
- Birmingham (B10) — 27 companies
- Birmingham (B11) — 28 companies
- Birmingham (B12) — 28 companies
- Birmingham (B13) — 26 companies
- B14 — Birmingham / Bromsgrove / Solihull (B14) — 25 companies
- Birmingham (B15) — 27 companies
- B16 — Birmingham / Sandwell (B16) — 28 companies
- Birmingham (B17) — 26 companies
- B18 — Birmingham / Sandwell (B18) — 27 companies
- Birmingham (B19) — 27 companies
- Birmingham (B2) — 27 companies
- Birmingham (B20) — 29 companies
- B21 — Birmingham / Sandwell (B21) — 28 companies
- Birmingham (B23) — 29 companies
- Birmingham (B24) — 26 companies
- Birmingham (B25) — 27 companies
- B26 — Birmingham / Solihull (B26) — 27 companies
- B27 — Birmingham / Solihull (B27) — 28 companies
- B28 — Birmingham / Solihull (B28) — 28 companies
- Birmingham (B29) — 26 companies
- Birmingham (B3) — 27 companies
- Birmingham (B30) — 27 companies
- B31 — Birmingham / Bromsgrove (B31) — 27 companies
- B32 — Birmingham / Bromsgrove (B32) — 25 companies
- Birmingham (B33) — 26 companies
- Birmingham (B34) — 26 companies
- Birmingham (B35) — 27 companies
- B36 — Birmingham / Solihull (B36) — 28 companies
- B37 — Birmingham / Solihull (B37) — 27 companies
- B38 — Birmingham / Bromsgrove (B38) — 26 companies
- Birmingham (B4) — 26 companies
- Solihull (B40) — 27 companies
- B42 — Birmingham / Sandwell (B42) — 29 companies
- B43 — Birmingham / Sandwell / Walsall (B43) — 31 companies
- Birmingham (B44) — 30 companies
- B45 — Birmingham / Bromsgrove (B45) — 26 companies
- North Warwickshire (B46) — 30 companies
- B47 — Birmingham / Bromsgrove / Stratford-on-Avon (B47) — 25 companies
- B48 — Bromsgrove / Stratford-on-Avon (B48) — 25 companies
- B49 — Stratford-on-Avon / Wychavon (B49) — 30 companies
- Birmingham (B5) — 27 companies
- B50 — Stratford-on-Avon / Wychavon (B50) — 24 companies
- Birmingham (B6) — 27 companies
- B60 — Bromsgrove / Wychavon (B60) — 27 companies
- B61 — Bromsgrove / Wychavon (B61) — 26 companies
- B62 — Birmingham / Bromsgrove / Dudley / Sandwell (B62) — 29 companies
- Dudley (B63) — 27 companies
- B64 — Dudley / Sandwell (B64) — 24 companies
- B65 — Dudley / Sandwell (B65) — 25 companies
- B66 — Birmingham / Sandwell (B66) — 26 companies
- Sandwell (B67) — 26 companies
- Sandwell (B68) — 24 companies
- Sandwell (B69) — 27 companies
- Birmingham (B7) — 26 companies
- Sandwell (B70) — 30 companies
- Sandwell (B71) — 29 companies
- Birmingham (B72) — 29 companies
- Birmingham (B73) — 31 companies
- B74 — Birmingham / Lichfield / Walsall (B74) — 31 companies
- B75 — Birmingham / Lichfield / North Warwickshire (B75) — 29 companies
- B76 — Birmingham / North Warwickshire (B76) — 27 companies
- B77 — North Warwickshire / Tamworth (B77) — 26 companies
- B78 — Lichfield / North Warwickshire / Tamworth (B78) — 29 companies
- Birmingham (B8) — 26 companies
- B80 — Redditch / Stratford-on-Avon (B80) — 26 companies
- Birmingham (B9) — 28 companies
- B90 — Bromsgrove / Solihull (B90) — 29 companies
- Solihull (B91) — 27 companies
- B92 — Birmingham / Solihull (B92) — 27 companies
- B93 — Solihull / Warwick (B93) — 28 companies
- B94 — Solihull / Stratford-on-Avon / Warwick (B94) — 26 companies
- B95 — Stratford-on-Avon / Warwick (B95) — 26 companies
- B96 — Redditch / Stratford-on-Avon / Wychavon (B96) — 28 companies
- B97 — Bromsgrove / Redditch / Stratford-on-Avon (B97) — 26 companies
- B98 — Bromsgrove / Redditch / Stratford-on-Avon (B98) — 25 companies
- Birmingham (B99) — 27 companies
- Coventry (CV1) — 27 companies
- CV12 — North Warwickshire / Nuneaton and Bedworth / Rugby (CV12) — 23 companies
- CV2 — Coventry / Nuneaton and Bedworth / Rugby (CV2) — 27 companies
- Rugby (CV21) — 26 companies
- Rugby (CV22) — 27 companies
- CV3 — Coventry / Rugby / Warwick (CV3) — 28 companies
- CV31 — Stratford-on-Avon / Warwick (CV31) — 29 companies
- Warwick (CV32) — 29 companies
- CV33 — Stratford-on-Avon / Warwick (CV33) — 35 companies
- Warwick (CV34) — 29 companies
- CV35 — Stratford-on-Avon / Warwick (CV35) — 33 companies
- Stratford-on-Avon (CV36) — 31 companies
- CV37 — Stratford-on-Avon / Wychavon (CV37) — 28 companies
- CV4 — Coventry / Solihull / Warwick (CV4) — 27 companies
- CV47 — Rugby / Stratford-on-Avon (CV47) — 36 companies
- CV5 — Coventry / Solihull (CV5) — 26 companies
- CV6 — Coventry / Nuneaton and Bedworth (CV6) — 24 companies
- CV7 — Multiple areas (CV7) — 28 companies
- CV8 — Coventry / Rugby / Solihull / Warwick (CV8) — 31 companies
- East Staffordshire (DE14) — 27 companies
- Dudley (DY1) — 25 companies
- DY10 — Bromsgrove / South Staffordshire / Wychavon / Wyre Forest (DY10) — 25 companies
- DY11 — South Staffordshire / Wychavon / Wyre Forest (DY11) — 24 companies
- DY12 — Shropshire / Wyre Forest (DY12) — 26 companies
- DY13 — Malvern Hills / Wychavon / Wyre Forest (DY13) — 29 companies
- DY14 — Malvern Hills / Shropshire / Wyre Forest (DY14) — 26 companies
- Dudley (DY2) — 25 companies
- DY3 — Dudley / South Staffordshire / Wolverhampton (DY3) — 25 companies
- DY4 — Dudley / Sandwell (DY4) — 26 companies
- Dudley (DY5) — 25 companies
- DY6 — Dudley / South Staffordshire (DY6) — 24 companies
- DY7 — Dudley / Shropshire / South Staffordshire / Wyre Forest (DY7) — 27 companies
- DY8 — Bromsgrove / Dudley / South Staffordshire / Wyre Forest (DY8) — 25 companies
- DY9 — Bromsgrove / Dudley / Wyre Forest (DY9) — 26 companies
- Herefordshire, County of (HR1) — 22 companies
- Herefordshire, County of (HR2) — 27 companies
- Herefordshire, County of (HR4) — 24 companies
- Herefordshire, County of (HR6) — 30 companies
- HR7 — Herefordshire, County of / Malvern Hills (HR7) — 32 companies
- Stoke-on-Trent (ST1) — 27 companies
- ST10 — East Staffordshire / Stafford / Staffordshire Moorlands (ST10) — 31 companies
- ST11 — Stafford / Staffordshire Moorlands / Stoke-on-Trent (ST11) — 30 companies
- ST12 — Stafford / Stoke-on-Trent (ST12) — 24 companies
- Staffordshire Moorlands (ST13) — 29 companies
- ST15 — Stafford / Staffordshire Moorlands (ST15) — 25 companies
- Stafford (ST16) — 23 companies
- ST17 — South Staffordshire / Stafford (ST17) — 22 companies
- ST18 — East Staffordshire / South Staffordshire / Stafford (ST18) — 27 companies
- ST19 — Shropshire / South Staffordshire (ST19) — 26 companies
- ST2 — Staffordshire Moorlands / Stoke-on-Trent (ST2) — 31 companies
- Stafford (ST20) — 26 companies
- ST21 — Newcastle-under-Lyme / Stafford (ST21) — 29 companies
- ST3 — Stafford / Staffordshire Moorlands / Stoke-on-Trent (ST3) — 29 companies
- ST4 — Newcastle-under-Lyme / Stafford / Stoke-on-Trent (ST4) — 26 companies
- ST5 — Newcastle-under-Lyme / Stafford / Stoke-on-Trent (ST5) — 32 companies
- Newcastle-under-Lyme (ST55) — 46 companies
- ST6 — Newcastle-under-Lyme / Staffordshire Moorlands / Stoke-on-Trent (ST6) — 27 companies
- ST8 — Staffordshire Moorlands / Stoke-on-Trent (ST8) — 32 companies
- ST9 — Staffordshire Moorlands / Stoke-on-Trent (ST9) — 34 companies
- Shropshire (SY1) — 22 companies
- Shropshire (SY11) — 25 companies
- Shropshire (SY12) — 26 companies
- Shropshire (SY2) — 23 companies
- Shropshire (SY3) — 22 companies
- SY4 — Shropshire / Telford and Wrekin (SY4) — 29 companies
- Shropshire (SY6) — 21 companies
- SY8 — Herefordshire, County of / Malvern Hills / Shropshire (SY8) — 28 companies
- Shropshire (SY99) — 22 companies
- Telford and Wrekin (TF1) — 25 companies
- TF10 — Shropshire / South Staffordshire / Stafford / Telford and Wrekin (TF10) — 26 companies
- TF11 — Shropshire / South Staffordshire / Telford and Wrekin (TF11) — 25 companies
- Shropshire (TF12) — 23 companies
- Shropshire (TF13) — 26 companies
- TF2 — Shropshire / Telford and Wrekin (TF2) — 27 companies
- Telford and Wrekin (TF3) — 26 companies
- Telford and Wrekin (TF4) — 25 companies
- Telford and Wrekin (TF5) — 25 companies
- TF6 — Shropshire / Telford and Wrekin (TF6) — 27 companies
- Telford and Wrekin (TF7) — 23 companies
- TF8 — Shropshire / Telford and Wrekin (TF8) — 23 companies
- Worcester (WR1) — 26 companies
- Wychavon (WR10) — 26 companies
- WR14 — Herefordshire, County of / Malvern Hills (WR14) — 26 companies
- WR15 — Herefordshire, County of / Malvern Hills / Shropshire (WR15) — 28 companies
- WR2 — Malvern Hills / Worcester (WR2) — 28 companies
- WR3 — Worcester / Wychavon (WR3) — 26 companies
- WR4 — Worcester / Wychavon (WR4) — 24 companies
- WR5 — Malvern Hills / Worcester / Wychavon (WR5) — 27 companies
- WR6 — Multiple areas (WR6) — 31 companies
- WR7 — Worcester / Wychavon (WR7) — 27 companies
- WR9 — Wychavon / Wyre Forest (WR9) — 29 companies
- Worcester (WR99) — 25 companies
- Walsall (WS1) — 28 companies
- WS10 — Sandwell / Walsall (WS10) — 28 companies
- WS11 — Cannock Chase / South Staffordshire (WS11) — 27 companies
- WS12 — Cannock Chase / South Staffordshire / Stafford (WS12) — 25 companies
- Lichfield (WS13) — 24 companies
- Lichfield (WS14) — 27 companies
- WS15 — Cannock Chase / East Staffordshire / Lichfield / Stafford (WS15) — 23 companies
- Walsall (WS2) — 28 companies
- WS3 — Cannock Chase / South Staffordshire / Walsall (WS3) — 27 companies
- Walsall (WS4) — 28 companies
- WS5 — Sandwell / Walsall (WS5) — 29 companies
- South Staffordshire (WS6) — 28 companies
- Lichfield (WS7) — 24 companies
- WS8 — Cannock Chase / Lichfield / Walsall (WS8) — 26 companies
- WS9 — Lichfield / Walsall (WS9) — 29 companies
- Wolverhampton (WV1) — 24 companies
- WV10 — South Staffordshire / Wolverhampton (WV10) — 29 companies
- WV11 — South Staffordshire / Walsall / Wolverhampton (WV11) — 27 companies
- WV12 — Walsall / Wolverhampton (WV12) — 28 companies
- WV13 — Walsall / Wolverhampton (WV13) — 26 companies
- WV14 — Dudley / Sandwell / Walsall / Wolverhampton (WV14) — 27 companies
- WV15 — Shropshire / South Staffordshire (WV15) — 33 companies
- Shropshire (WV16) — 28 companies
- Wolverhampton (WV2) — 24 companies
- WV3 — South Staffordshire / Wolverhampton (WV3) — 25 companies
- WV4 — Dudley / South Staffordshire / Wolverhampton (WV4) — 25 companies
- WV5 — Shropshire / South Staffordshire (WV5) — 24 companies
- WV6 — Shropshire / South Staffordshire / Wolverhampton (WV6) — 25 companies
- WV7 — Shropshire / South Staffordshire (WV7) — 28 companies
- WV8 — Shropshire / South Staffordshire / Wolverhampton (WV8) — 27 companies
- WV9 — South Staffordshire / Wolverhampton (WV9) — 27 companies
- WV98 — Wolverhampton / Wyre Forest (WV98) — 24 companies
- Telford and Wrekin (WV99) — 24 companies
West Yorkshire
Yorkshire and The Humber
- BD10 — Bradford / Leeds (BD10) — 25 companies
- BD11 — Bradford / Kirklees / Leeds (BD11) — 26 companies
- BD12 — Bradford / Kirklees (BD12) — 27 companies
- BD13 — Bradford / Calderdale (BD13) — 28 companies
- Bradford (BD14) — 28 companies
- Bradford (BD15) — 27 companies
- Bradford (BD16) — 28 companies
- Bradford (BD17) — 28 companies
- Bradford (BD18) — 26 companies
- BD19 — Calderdale / Kirklees (BD19) — 27 companies
- Bradford (BD2) — 25 companies
- BD20 — Bradford / North Yorkshire (BD20) — 29 companies
- Bradford (BD21) — 28 companies
- BD22 — Bradford / North Yorkshire (BD22) — 29 companies
- North Yorkshire (BD24) — 28 companies
- BD3 — Bradford / Leeds (BD3) — 25 companies
- BD4 — Bradford / Kirklees / Leeds (BD4) — 27 companies
- Bradford (BD5) — 26 companies
- Bradford (BD6) — 28 companies
- Bradford (BD7) — 28 companies
- Bradford (BD8) — 29 companies
- Bradford (BD9) — 28 companies
- Bradford (BD97) — 30 companies
- Bradford (BD98) — 28 companies
- Bradford (BD99) — 28 companies
- North Yorkshire (DL10) — 28 companies
- North Yorkshire (DL6) — 29 companies
- North Yorkshire (DL7) — 24 companies
- North Yorkshire (DL8) — 30 companies
- North Yorkshire (DL9) — 24 companies
- Doncaster (DN1) — 24 companies
- DN12 — Doncaster / Rotherham (DN12) — 24 companies
- DN14 — Multiple areas (DN14) — 30 companies
- North Lincolnshire (DN15) — 23 companies
- North Lincolnshire (DN16) — 24 companies
- North Lincolnshire (DN18) — 21 companies
- North Lincolnshire (DN19) — 20 companies
- Doncaster (DN2) — 23 companies
- Doncaster (DN3) — 23 companies
- North East Lincolnshire (DN31) — 23 companies
- North East Lincolnshire (DN32) — 23 companies
- North East Lincolnshire (DN33) — 25 companies
- North East Lincolnshire (DN34) — 24 companies
- North East Lincolnshire (DN35) — 24 companies
- Doncaster (DN4) — 24 companies
- DN40 — North East Lincolnshire / North Lincolnshire (DN40) — 22 companies
- DN5 — Barnsley / Doncaster (DN5) — 23 companies
- DN6 — Doncaster / North Yorkshire / Wakefield (DN6) — 24 companies
- Doncaster (DN7) — 24 companies
- DN8 — Doncaster / East Riding of Yorkshire / North Lincolnshire (DN8) — 27 companies
- Kirklees (HD1) — 25 companies
- HD2 — Calderdale / Kirklees (HD2) — 26 companies
- HD3 — Calderdale / Kirklees (HD3) — 26 companies
- Kirklees (HD4) — 25 companies
- HD5 — Calderdale / Kirklees (HD5) — 25 companies
- HD6 — Calderdale / Kirklees (HD6) — 26 companies
- Kirklees (HD7) — 29 companies
- HD8 — Barnsley / Kirklees (HD8) — 28 companies
- HD9 — Barnsley / Kirklees (HD9) — 25 companies
- North Yorkshire (HG1) — 23 companies
- North Yorkshire (HG2) — 22 companies
- North Yorkshire (HG3) — 26 companies
- North Yorkshire (HG4) — 26 companies
- North Yorkshire (HG5) — 23 companies
- Kingston upon Hull, City of (HU1) — 20 companies
- East Riding of Yorkshire (HU10) — 23 companies
- HU11 — East Riding of Yorkshire / Kingston upon Hull, City of (HU11) — 23 companies
- HU12 — East Riding of Yorkshire / Kingston upon Hull, City of (HU12) — 22 companies
- HU13 — East Riding of Yorkshire / Kingston upon Hull, City of (HU13) — 21 companies
- East Riding of Yorkshire (HU14) — 22 companies
- East Riding of Yorkshire (HU15) — 26 companies
- East Riding of Yorkshire (HU16) — 24 companies
- East Riding of Yorkshire (HU17) — 25 companies
- East Riding of Yorkshire (HU18) — 22 companies
- East Riding of Yorkshire (HU19) — 23 companies
- Kingston upon Hull, City of (HU2) — 20 companies
- East Riding of Yorkshire (HU20) — 24 companies
- Kingston upon Hull, City of (HU3) — 21 companies
- HU4 — East Riding of Yorkshire / Kingston upon Hull, City of (HU4) — 21 companies
- HU5 — East Riding of Yorkshire / Kingston upon Hull, City of (HU5) — 22 companies
- HU6 — East Riding of Yorkshire / Kingston upon Hull, City of (HU6) — 23 companies
- HU7 — East Riding of Yorkshire / Kingston upon Hull, City of (HU7) — 24 companies
- HU8 — East Riding of Yorkshire / Kingston upon Hull, City of (HU8) — 22 companies
- Kingston upon Hull, City of (HU9) — 20 companies
- Calderdale (HX1) — 27 companies
- Calderdale (HX2) — 26 companies
- HX3 — Bradford / Calderdale (HX3) — 26 companies
- HX4 — Calderdale / Kirklees (HX4) — 28 companies
- Calderdale (HX5) — 26 companies
- Calderdale (HX6) — 31 companies
- Calderdale (HX7) — 30 companies
- Leeds (LS10) — 24 companies
- Leeds (LS11) — 23 companies
- Leeds (LS12) — 23 companies
- Leeds (LS13) — 21 companies
- Leeds (LS14) — 23 companies
- Leeds (LS15) — 22 companies
- Leeds (LS16) — 20 companies
- LS17 — Leeds / North Yorkshire (LS17) — 21 companies
- Leeds (LS18) — 24 companies
- LS19 — Bradford / Leeds (LS19) — 22 companies
- Leeds (LS2) — 21 companies
- Leeds (LS20) — 24 companies
- LS21 — Bradford / Leeds / North Yorkshire (LS21) — 25 companies
- LS22 — Leeds / North Yorkshire (LS22) — 24 companies
- Leeds (LS23) — 23 companies
- LS24 — Leeds / North Yorkshire (LS24) — 25 companies
- LS25 — Leeds / North Yorkshire (LS25) — 21 companies
- LS26 — Leeds / Wakefield (LS26) — 26 companies
- Leeds (LS27) — 25 companies
- Leeds (LS28) — 25 companies
- LS29 — Bradford / Leeds / North Yorkshire (LS29) — 26 companies
- Leeds (LS3) — 23 companies
- Leeds (LS4) — 22 companies
- Leeds (LS5) — 22 companies
- Leeds (LS6) — 22 companies
- Leeds (LS7) — 22 companies
- Leeds (LS8) — 21 companies
- Leeds (LS88) — 24 companies
- Leeds (LS9) — 23 companies
- Leeds (LS98) — 24 companies
- Leeds (LS99) — 24 companies
- Sheffield (S10) — 29 companies
- S13 — Rotherham / Sheffield (S13) — 30 companies
- Sheffield (S14) — 28 companies
- Sheffield (S2) — 27 companies
- S20 — Rotherham / Sheffield (S20) — 25 companies
- Rotherham (S25) — 24 companies
- Rotherham (S26) — 25 companies
- Sheffield (S3) — 28 companies
- S35 — Barnsley / Rotherham / Sheffield (S35) — 24 companies
- S36 — Barnsley / Sheffield (S36) — 26 companies
- Sheffield (S4) — 28 companies
- Sheffield (S5) — 28 companies
- Sheffield (S6) — 32 companies
- S60 — Rotherham / Sheffield (S60) — 28 companies
- S61 — Rotherham / Sheffield (S61) — 27 companies
- Rotherham (S62) — 24 companies
- S63 — Barnsley / Rotherham (S63) — 24 companies
- S64 — Doncaster / Rotherham (S64) — 24 companies
- S65 — Doncaster / Rotherham (S65) — 27 companies
- S66 — Doncaster / Rotherham (S66) — 25 companies
- Sheffield (S7) — 28 companies
- Barnsley (S70) — 25 companies
- S71 — Barnsley / Wakefield (S71) — 23 companies
- S72 — Barnsley / Wakefield (S72) — 24 companies
- S73 — Barnsley / Rotherham (S73) — 23 companies
- S74 — Barnsley / Rotherham (S74) — 23 companies
- S75 — Barnsley / Wakefield (S75) — 25 companies
- Sheffield (S9) — 28 companies
- S95 — Rotherham / Sheffield (S95) — 30 companies
- Sheffield (S96) — 28 companies
- S97 — Rotherham / Sheffield (S97) — 23 companies
- Sheffield (S98) — 28 companies
- Sheffield (S99) — 28 companies
- Wakefield (WF1) — 24 companies
- WF10 — Leeds / Wakefield (WF10) — 24 companies
- WF11 — North Yorkshire / Wakefield (WF11) — 20 companies
- WF12 — Kirklees / Leeds / Wakefield (WF12) — 24 companies
- Kirklees (WF13) — 24 companies
- WF14 — Calderdale / Kirklees (WF14) — 24 companies
- Kirklees (WF15) — 25 companies
- Kirklees (WF16) — 24 companies
- WF17 — Kirklees / Leeds (WF17) — 25 companies
- WF2 — Leeds / Wakefield (WF2) — 26 companies
- WF3 — Kirklees / Leeds / Wakefield (WF3) — 25 companies
- WF4 — Barnsley / Kirklees / Wakefield (WF4) — 23 companies
- WF5 — Kirklees / Wakefield (WF5) — 23 companies
- Wakefield (WF6) — 22 companies
- Wakefield (WF7) — 26 companies
- WF8 — Doncaster / North Yorkshire / Wakefield (WF8) — 20 companies
- Wakefield (WF9) — 22 companies
- Wakefield (WF90) — 23 companies
- York (YO1) — 24 companies
- York (YO10) — 24 companies
- North Yorkshire (YO11) — 22 companies
- North Yorkshire (YO12) — 22 companies
- North Yorkshire (YO13) — 27 companies
- North Yorkshire (YO14) — 22 companies
- East Riding of Yorkshire (YO15) — 24 companies
- East Riding of Yorkshire (YO16) — 25 companies
- North Yorkshire (YO17) — 24 companies
- North Yorkshire (YO18) — 25 companies
- YO19 — North Yorkshire / York (YO19) — 26 companies
- North Yorkshire (YO21) — 25 companies
- North Yorkshire (YO22) — 28 companies
- YO23 — North Yorkshire / York (YO23) — 26 companies
- York (YO24) — 24 companies
- YO25 — East Riding of Yorkshire / North Yorkshire (YO25) — 27 companies
- YO26 — North Yorkshire / York (YO26) — 30 companies
- YO30 — North Yorkshire / York (YO30) — 23 companies
- York (YO31) — 24 companies
- YO32 — North Yorkshire / York (YO32) — 23 companies
- YO41 — East Riding of Yorkshire / North Yorkshire / York (YO41) — 24 companies
- East Riding of Yorkshire (YO42) — 26 companies
- East Riding of Yorkshire (YO43) — 25 companies
- North Yorkshire (YO51) — 23 companies
- YO60 — North Yorkshire / York (YO60) — 24 companies
- North Yorkshire (YO61) — 29 companies
- North Yorkshire (YO62) — 28 companies
- North Yorkshire (YO7) — 26 companies
- YO8 — East Riding of Yorkshire / North Yorkshire (YO8) — 23 companies
- York (YO90) — 24 companies