| BOYNOV | — | — | — | Open → |
| Bracknell Forest Council | Bracknell | building.control@bracknell-forest.gov.uk | 01344 352000 | Open → |
| Brad Thomas | Howden | — | — | Open → |
| Bradford City Council | Keighley | — | — | Open → |
| BRADY | — | — | — | Open → |
| Braintree District Council | Essex | buildingcontrol@braintree.gov.uk | 01376 551414 | Open → |
| Braintree Fire & Rescue Service | Braintree, Essex | — | — | Open → |
| BRANTHILL HILL PICKERING NORTH YORKSHIRE Y018 7AU | — | — | — | Open → |
| Brayton Building & Plumbing Ltd | Selby | — | — | Open → |
| BRAYTON BUILDING AND PLUMBING | — | — | — | Open → |
| BRAYTON BUILDING AND PLUMBING | — | — | — | Open → |
| Breckland Council | Dereham | — | 01362 656873 | Open → |
| BREESE GWYNDAF | — | — | — | Open → |
| BRENDAN ATKINSON | — | — | 01482393851 | Open → |
| BRENDAN POTTON | — | — | — | Open → |
| Brentwood Borough Council | Brentwood, Essex | buildingsurveying@brentwood.gov.uk | 01277 261111 | Open → |
| Brett Beardsmore | Wakefield | — | — | Open → |
| BRIAN BUSFIELD | — | — | — | Open → |
| Brian Golding | Leeds | — | — | Open → |
| Brian Scott Designs | Selby | brian@brianscottdesigns.co.uk | — | Open → |
| BRIAN SPRINGETT DBS BUILDING LTD | — | — | — | Open → |
| Bridge 3 LLP | Leeds | — | — | Open → |
| BRIDGE ESTATES | — | — | — | Open → |
| BRIDGE ESTATES | — | — | — | Open → |
| Bridgend County Borough Council | Mid Glamorgan | — | 01656 643406 | Open → |