| Brent Direct Limited | London | 2002 |
| Brent Harran Racing Ltd | Elvington | 2021 |
| Brent Healthcare Ltd | London | 2025 |
| Brent Home Appliances Ltd | London | 2025 |
| Brent Indian Association | Middlesex | 1997 |
| Brent Indian Community Centre | Willesden | 2006 |
| Brent Renewable Energy Solutions Ltd | Wigan | 2016 |
| Brent Scaffold Boards Limited | Selby | 1992 |
| Brent Street Properties Limited | Gosport | 1959 |
| Brent Walsh Limited | Reigate | 2005 |
| Brentafricancaribbeancollective Ltd | Wembley | 2024 |
| Brentford Bicycle Works Limited | Brentford | 2026 |
| Brents Boxing Ltd | Peterborough | 2020 |
| Brentview Limited | Huddersfield | 2017 |
| Brentwood Barbers Limited | Brentwood | 2012 |
| Brentwood Beauty Ltd | Billericay | 2019 |
| Brentwood Breast Clinic Limited | Tunbridge Wells, Kent | 2017 |
| Brentwood Brothers Ltd | Chelmsford | 2024 |
| Brentwood Dog Grooming Spa Ltd | London | 2025 |
| Brentwood Plumbing & Heating Limited | Harrogate | 2014 |
| Brentwood Roman Catholic Diocese Trustee(The) | Brentwood | 1948 |
| Brentwood Secretaries Ltd | Brentwood | 2007 |
| Brentwood Tile Boutique Ltd | Waltham Cross | 2015 |
| Brentwood V.E. Limited | Nottingham | 2007 |
| Brep Gallant Q UK Co Limited | London | 2016 |
| Brep Kingdom UK Co Limited | London | 2017 |
| Brep MAC UK Co Limited | London | 2017 |
| Brep Rundle UK Co Limited | London | 2015 |
| Brep Swordfish UK Co Limited | London | 2015 |
| Brep Wire Q UK Co Limited | London | 2016 |
| Brereton House Management Limited | Rugeley | 1986 |
| Brereton Lodge Moors Centre Limited | Whitby | 1995 |
| Bressay Development Ltd | Bressay | 2015 |
| Brest Ltd | Telford | 2019 |
| Brett & Co Barbers Ltd | Lymm | 2022 |
| Brett Dixon Training Ltd | Barrow | 2017 |
| Brett Hyde Ltd | Spennymoor | 2022 |
| Brett James Conservation Limited | Brighton | 2013 |
| Brett Kirby Ltd | Stanstead Abbotts | 2026 |
| Brett Quinton Funeral Directors Ltd | Willenhall | 2000 |
| Brett Wormley Logistics Limited | Reigate | 2019 |
| Brett's Properties Limited | Rochford | 2014 |
| Brett@Hairlounge Limited | Newport | 2023 |
| Brettell Computers Limited | Stourbridge | 2024 |
| Bretts at NO. 42 Limited | Halifax | 2019 |
| Bretts BR London Limited | Dartford | 2018 |
| Bretts Trading Limited | Grimsby | 2016 |
| Brevety Ltd | Renhold | 2025 |
| Brevevita Ltd | Edgware | 2017 |
| Brevived Limited | London | 2006 |
| Brew Craft Coffee Ltd | Kington | 2025 |
| Brew Haute Ltd | London | 2025 |
| Brewed Awakening London Ltd | London | 2018 |
| Brewed Futures CIC | Cwmbran | 2026 |
| Brewer Consultancy Cardiff Ltd | Cardiff | 2023 |
| Brewexperts Limited | London | 1978 |
| Brewing Technology Services Limited | Wolverhampton | 1996 |
| Brewing, Food & Beverage Industry Suppliers' Association | Wolverhampton | 2019 |
| Brewl Holdings Ltd | Coventry | 2024 |
| Brewskee Ltd | London | 2017 |
| Brewster's (Haircare) Limited | Northwich | 1979 |
| Brewsterwells Crematorium Limited | Dundee | 2012 |
| Brex London Ltd | London | 2022 |
| Brexna Limited | Manchester | 2022 |
| Brexons Direct Ltd | Gainsborough | 2023 |
| Breyting Ltd | Hemel Hempstead | 2017 |
| Brezzie Ice Baths Ltd | Peterborough | 2024 |
| Brfc 2020 Ltd | Chester | 2020 |
| BRG (Bexleyheath) Ltd | Dartford | 2023 |
| BRG Fire Door Inspection Ltd | Holland-On-Sea | 2023 |
| Brgs Recruitment Ltd | Bristol | 2024 |
| BRH Solutions Limited | Dunfermline | 2022 |
| Brhaive Events Ltd | Stockton Heath | 2021 |
| BRI Capital Ltd | London | 2026 |
| BRI Clean Limited | London | 2017 |
| Briafric Holdings Ltd | London | 2018 |
| Brian Allan Whyte Funeral Directors Ltd | Ayr | 2018 |
| Brian and Trevors Limited | Heywood | 2011 |
| Brian Barry Hair Salon Limited | Middlesbrough | 2015 |
| Brian Butcher Financial Planning Ltd | Doncaster | 2011 |
| Brian Campkin Property Services Ltd | Eastbourne | 2022 |
| Brian Charles Limited | Stoke On Trent | 1963 |
| Brian Coulter Services Ltd | Fintona | 2021 |
| Brian Drumm Flattopper (UK) Limited | Edinburgh | 1974 |
| Brian G Lonis & Co (Services) Limited | London | 2015 |
| Brian G Thomas Funeral Directors Ltd | Bridgend | 2024 |
| Brian Girdwood Hairdressing Ltd | Edinburgh | 2011 |
| Brian Irvine Engineering Ltd | Shetland | 2011 |
| Brian Jones Upholstery Ltd | York | 2012 |
| Brian Langmead Limited | Chichester | 1960 |
| Brian Manning Holdings Limited | London | 2015 |
| Brian Moody Cleaning Services Ltd | St. Albans | 2017 |
| Brian Nuttgens Accountants Limited | Leigh-On-Sea | 2002 |
| Brian Price and SON Ltd | Lancaster | 2014 |
| Brian Robertson Plumbing & Heating Limited | Kilmarnock | 2023 |
| Brian Smith Funeral Services Ltd. | Aberdeen | 2002 |
| Brian Spink Holdings Limited | Bury St. Edmunds | 2015 |
| Brian the Brush Ltd | Bradford | 2009 |
| Brian Thomas Transport Limited | Treharris | 1998 |
| Brian Wang Education Group London UK Ltd | Cambridge | 2021 |