| Brighton Pride Community Interest Company | Rayleigh | 2013 |
| Brighton Racecourse Company Limited | London | 1997 |
| Brighton Rock Productions Limited | Crook | 2016 |
| Brighton Rockers Roller Derby | Brighton | 2014 |
| Brighton Rope CIC | Brighton | 2024 |
| Brighton Sea Gym Limited | Brighton | 2022 |
| Brighton Seafront Heritage Trust Limited | East Sussex | 1998 |
| Brighton Spiegeltent Ltd | Worthing | 2013 |
| Brighton Swimming Centre Limited | Brighton | 2010 |
| Brighton Theatre Group Productions Limited | Wivelsfield Green | 2012 |
| Brighton Toy and Model Museum | Brighton | 1990 |
| Brighton TPA Limited | Brighton | 2020 |
| Brighton West Pier Trust(The) | Lewes | 1978 |
| Brightonsfinest Ltd | London | 2006 |
| Brightonyoga Ltd | Brighton | 2021 |
| Brightside Coaching Ltd | Omagh | 2025 |
| Brightside Gaming Ltd | Dungannon | 2026 |
| Brightside Music CIC | Sheffield | 2017 |
| Brightsidept Limited | Southampton | 2010 |
| Brightsidept Whiteley Limited | Southampton | 2023 |
| Brightspark Dog Training Ltd | Abergavenny | 2019 |
| Brightspark Media Limited | Cambridge | 2010 |
| Brightstar Boxing Academy Ltd | Shifnal | 2018 |
| Brightstar Lottery UK Bidco Limited | London | 2020 |
| Brightwater Landscapes Ltd | Market Rasen | 1998 |
| Brightwood Camps Ltd | Maidstone | 2026 |
| Brightyellow Art Limited | Watford | 2016 |
| Brigo PT Ltd | Edgware | 2015 |
| Brijs Music Ltd | London | 2018 |
| Brill Productions Limited | London | 2006 |
| Brilliant and Crazy Ltd | Grange-Over-Sands | 2022 |
| Brilliant Balls Limited | Belfast | 2021 |
| Brilliant Films Ltd | London | 2005 |
| Brilliant FUN & Games (Scotland) Ltd | Glasgow | 2017 |
| Brilliant in Excellence (UK) Limited | Abingdon | 2016 |
| Brilliant Monsters Limited | London | 2009 |
| Brilliant Play Solutions CIC | Twickenham | 2014 |
| Brilliant Theatre Ltd | Church Stretton | 2017 |
| Brilliant Trails Ltd | Ballymena | 2016 |
| Brillients Live Limited | Waterlooville | 2024 |
| Brillustrations Ltd | London | 2024 |
| Brimmin Rigging Ltd | West Drayton | 2015 |
| Brimpton Flying Group Limited | Reading | 2003 |
| Brimstone Artworks Limited | Chester | 1992 |
| Brimstone Pyrotechnics Limited | Manchester | 2003 |
| Brinat Ltd | Widnes | 2014 |
| Brindle Bunker Heritage Restoration CIC | Chorley | 2026 |
| Bring Every Kind Smile (Beks) Community Interest Company | Chatham | 2020 |
| Bring IT on the Musical Ltd | Watford | 2015 |
| Bring IT to C.I.C. | Leicester | 2023 |
| Bring ME Pro Wrestling Ltd | Aylesford | 2023 |
| Bring OUT Your Dead Productions Ltd | Bury St Edmunds | 2017 |
| Bring the Game Over Limited | Faringdon | 2017 |
| Bring the Thunder Limited | Borehamwood | 2011 |
| Bring YER Wellies Ltd | Preston | 2012 |
| Bring Your Own Baby Comedy Limited | Beckenham | 2024 |
| Bringgrit Limited | Birmingham | 2025 |
| Bringingeightyeight Limited | London | 2015 |
| Brinigirl Limited | Brighton | 2022 |
| Brinkley Grays Ltd | Tiverton | 2025 |
| Brinkwood Limited | Sudbury | 2013 |
| Brinkworth Golf Club Ltd | Chippenham | 2019 |
| Brioeventsuk Ltd | Brighton | 2026 |
| Briony Machin Limited | Ormskirk | 2025 |
| Briosorchestra Project - Global Youth Social Orchestra | Manchester | 2025 |
| Brisart Ltd | Westbury On Tyrm | 2021 |
| Brisbane Observatory Trust | Edinburgh | 2011 |
| Brisca (F2) Limited | Sherborne | 1995 |
| Brislington Football Club Limited | Bristol | 2024 |
| Brissett Music Limited | Cheltenham | 2011 |
| Bristol & Bath Tennis Club Limited | Abbots Leigh Road | 1997 |
| Bristol & District Rifle & Pistol Club Ltd | Bristol | 2025 |
| Bristol & Gloucestershire Gliding Club Limited | Gloucestershire | 1977 |
| Bristol Activity Centre Limited | Weston-Super-Mare | 2004 |
| Bristol Aero Club | Cheltenham | 2001 |
| Bristol Aero Collection Trust | Bristol | 1992 |
| Bristol Airsoft Ltd | Bristol | 2019 |
| Bristol American Football Limited | Bristol | 2025 |
| Bristol Armoury Woman Gym Ltd | Bristol | 2018 |
| Bristol Arrow Bowling Club Limited | Bristol | 1988 |
| Bristol Austin Seven Club Limited | Torquay | 1981 |
| Bristol AV Ltd | Bristol | 2020 |
| Bristol Barbarians Rugby Club Limited | Bristol | 2026 |
| Bristol Bears Limited | Bristol | 2017 |
| Bristol Bears Women Rugby Club Limited | Bristol | 2018 |
| Bristol Bootcamp Company Ltd | Bristol | 2015 |
| Bristol Boxing Limited | Bristol | 1994 |
| Bristol Cathedral Trust | Bristol | 2020 |
| Bristol Channel Charters Ltd | Barnstaple | 2010 |
| Bristol Channel Diving Services Limited | Cardiff | 1995 |
| Bristol City Football Club Limited | Bristol | 1996 |
| Bristol City Holdings Limited | Bristol | 1980 |
| Bristol City Women Football Club Limited | Bristol | 2018 |
| Bristol City Yoga Limited | Bristol | 2011 |
| Bristol Classical Players Limited | Bristol | 2025 |
| Bristol Costume Services Limited | Bath | 2004 |
| Bristol Dog Field Limited | Tiverton | 2024 |
| Bristol Dojo Limited | Weston-Super-Mare | 2008 |
| Bristol Entertainment Ltd | Bristol | 2019 |
| Bristol Fitness Gym Group CIC | Bristol | 2026 |