| Bruce Lynn Ltd | Hawick | 2024 |
| Bruce Mayhew Limited | Marlborough | 2019 |
| Bruce Mclaren Racing Limited | Belvedere | 2017 |
| Bruce Mouat Ltd | Stranraer | 2025 |
| Bruce Oldfield London Limited | London | 2020 |
| Bruce Performance Ltd | Glasgow | 2025 |
| Bruce Reihana Ltd | Gloucester | 2020 |
| Bruce's Gym Limited | Seaham | 2017 |
| Brucey Bonus Competitions Ltd | Elgin | 2026 |
| Brucie’S Ideas Theories Concepts Observations Into Nakamoto Limited | Swindon | 2022 |
| Brudenell Presents Ltd | Leeds | 2017 |
| Bruern Game Supplies Limited | Cheltenham | 2015 |
| Brufc Ltd | Blackburn | 2015 |
| Brufc Supporters Group Limited | Braintree | 2015 |
| Bruin Technical Ltd | Leigh-On-Sea | 2019 |
| Bruised Banana Ltd | London | 2025 |
| Bruised Sky Productions | London | 2016 |
| Bruiser Theatre Company | Belfast | 2009 |
| Bruiserweight Ltd | Birmingham | 2018 |
| Bruk OUT Events Ltd | Salford | 2025 |
| Brulary Outdoors Ltd | Milton Keynes | 2023 |
| Bruling Ltd | Sheffield | 2024 |
| Brumball Ltd | Birmingham | 2019 |
| Brumkicks Ltd | Lichfield | 2024 |
| Brun Limited | Chatham | 2006 |
| Bruna Diedrichs Limited | Leeds | 2025 |
| Brundall Swimming Pool Ltd | Norwich | 2022 |
| Brundibár Arts Festival Limited | Newcastle Upon Tyne | 2015 |
| Bruno Fitness Limited | Basildon | 2017 |
| Bruno Goncalves DA Silva Limited | London | 2025 |
| Bruno Peek Pageantmaster Ltd | Bungay | 2008 |
| Brunobear Ltd | Beaconsfield | 2023 |
| Brunskill and Loveday Limited | Northumberland | 2005 |
| Brunsmeer Athletic Association F.C. Limited | Sheffield | 2009 |
| Brunstane Productions Ltd | Edinburgh | 2015 |
| Brunswick Automotive Limited | King'S Lynn | 2002 |
| Brunswick Club C.I.C. | Bristol | 2018 |
| Brunswick Events Limited | Hove | 2025 |
| Brunswick Vocal Arts | London | 2022 |
| Bruntsfield Links Golfing Society Limited | Davidsons Mains | 1898 |
| Brush & Bloom Artspace Ltd | Felsted | 2026 |
| Brush & Bond Ltd | Melksham | 2025 |
| Brush & Tipple Limited | Thornton Cleveleys | 2017 |
| Brush and Bottle Ltd | Prenton | 2024 |
| Brush and Bubbles Ltd | Leatherhead | 2018 |
| Brush and Paint Limited | Manchester | 2025 |
| Brush and Palette CIC | Cardiff | 2024 |
| Brush Brighton Ltd | Brighton | 2022 |
| Brush Party UK Limited | Aylesbury | 2015 |
| Brushes and Beyond Ltd | Chichester | 2025 |
| Brushes With Greatness Ltd | London | 2021 |
| Brushmark Limited | Ellesmere | 2015 |
| Brushndrink Ltd | London | 2024 |
| Brushstroke Murals Ltd | Peterlee | 2025 |
| Bruso Elite Studio Ltd | King'S Lynn | 2018 |
| Brutal Events Ltd | Everton | 2024 |
| Brutal Rigg Ltd | Worthing | 2015 |
| Brute Force Audio Ltd | Bristol | 2026 |
| Bruvim Ltd | Leeds | 2022 |
| Bruvvers Theatre Company | Newcastle Upon Tyne | 1993 |
| Bryan Robson Limited | Altrincham | 1981 |
| Bryant-Funnell Ltd | Heathfield | 2015 |
| Bryce Mcmurray Personal Training Ltd | Bracknell | 2016 |
| Bryerley Springs Limited | Milton Keynes | 2013 |
| Brymbo Sports and Social Complex Limited | Wrexham | 1991 |
| Bryn Estyn Badminton Centre Limited | Llandudno | 1986 |
| Bryn T Jones Cyfyngedig | Penarth | 2013 |
| Bryn Walters Limited | London | 2020 |
| Bryn Williams Mountaineering Limited | Bangor | 2020 |
| Bryn Y Neuadd Bach Ltd | London | 2024 |
| Brynamman Cinema CYF | Ammanford | 2010 |
| Bryncethin RFC Limited | Bridgend | 2012 |
| Bryncoch RFC Limited | Bryncoch | 2015 |
| Brynhill Golf Club Ltd | Barry | 2016 |
| Brynithel RFC Limited | Abertillery | 2017 |
| Brynkinalt Sporting Limited | Chirk | 1998 |
| Brynmawr United F.C. CIC | Newport | 2025 |
| Bryony Kimmings Ltd. | Nelson | 2014 |
| Bryony Page Limited | Ipswich | 2019 |
| Bryony Tyrrell Ltd | Bexley | 2016 |
| Bryony Woods Literary Agency Limited | London | 2012 |
| Bryony Wright Ltd | London | 2014 |
| BS & Conservation Ltd | Grantham | 2004 |
| BS Events C019 Limited | Blisworth | 2019 |
| BS Gym Limited | Nottingham | 2010 |
| BS Legacy Ltd | London | 2025 |
| BS Makeup and Hair Ltd | Broadstairs | 2024 |
| BS Productions Limited | Holborn | 2010 |
| BS Retail (NI) Limited | Markethill | 1958 |
| BS26 Ltd | Gloucester | 2025 |
| BS3 Winter Lantern Projects Community Interest Company | Bristol | 2023 |
| BS8RECORDS Ltd | Bristol | 2023 |
| BSA 360 Ltd | Shrewsbury | 2026 |
| BSA Racing Ltd | Bristol | 2025 |
| Bsac International Limited | South Wirral | 1986 |
| Bsba Limited | Bradford-On-Avon | 2016 |
| BSC (SW) Limited | Gloucester | 2022 |
| BSC 1895 Ltd | Sutton Coldfield | 2012 |
| BSC Entertainment Limited | London | 2004 |
| BSC Health and Fitness Ltd | Mallusk | 2022 |