| Brasserie Jade Limited | London | 2022 |
| Brassington Associates Limited | Uttoxeter | 2011 |
| Brassington Honey Limited | Matlock | 2024 |
| Brattonsound Engineering Limited | North Cheam | 1982 |
| Bratts Engineering Limited | Nottingham | 2013 |
| Brauer Limited | Milton Keynes | 2006 |
| Braun & Co. Limited | Milton Keynes | 1951 |
| Braun Composites Ltd | Cambridge | 2023 |
| Braun International Limited | Whitby | 1995 |
| Braunston Boats Limited | Nr Daventry | 1968 |
| Bravado Clothing Ltd | Borehamwood | 2025 |
| Bravado Limited | London | 1981 |
| Bravalan Limited | Glasgow | 2025 |
| Bravallen Design Ltd | Ballymoney | 2022 |
| Bravapro Ltd | Swindon | 2019 |
| Bravaura Limited | London | 2025 |
| Brave Bespoke Ltd | Airdrie | 2026 |
| Brave Brewing Company Limited | Abingdon | 2025 |
| Brave Foods Ltd | London | 2016 |
| Brave Frozen Tree Ltd | Croydon | 2025 |
| Brave GB Limited | Walsall | 2008 |
| Brave New Spirits Ltd | Gloucester | 2020 |
| Brave Path Clothing Ltd | Birmingham | 2025 |
| Bravecloth Limited | London | 2024 |
| Bravedesign Limited | St Helens | 1992 |
| Braveland Steel Limited | Falkirk | 2020 |
| Braveshire Limited | Wakefield | 1982 |
| Bravestar Engineering Limited | Fareham | 2017 |
| Bravestar Performance Ltd | Lisburn | 2024 |
| Bravewords Records Limited | Addlestone | 2023 |
| Bravic Ltd | Norwich | 2024 |
| Braviner Ltd. | Wolverhampton | 2016 |
| Bravius Ltd | South Ockendon | 2022 |
| Bravo Accounting Ltd | Royton | 2010 |
| Bravo Brands Limited | Birmingham | 2025 |
| Bravo BRV Limited | Manchester | 2024 |
| Bravo D&M Suppliers Ltd | London | 2026 |
| Bravo Engineers Limited | Southport | 2022 |
| Bravo Enterprises Limited | Cambridge | 2018 |
| Bravo Future Ltd | London | 2022 |
| Bravo Heating Ltd | Coventry | 2023 |
| Bravo Inc Ltd | London | 2023 |
| Bravo Integral Ltd | Eastbourne | 2022 |
| Bravo Lighting Limited | Nottingham | 2015 |
| Bravo London Limited | London | 2009 |
| Bravo November Limited | Portsmouth | 2023 |
| Bravo Print Limited | Ipswich | 2011 |
| Bravo Tango Coffee Limited | Craigavon | 2021 |
| Bravo World Food Imports Ltd | Hounslow | 2019 |
| Bravo Zulu Golf Ltd | Newton Abbot | 2025 |
| Bravoleen Ltd | London | 2025 |
| Bravura Interiors Ltd | Cheadle | 2023 |
| Bravus Metal Services and Supplies Ltd | London | 2024 |
| Bravén Apparel Limited | London | 2025 |
| Braw Beard Oils Ltd | Haddington | 2013 |
| Braw Skin Ltd | Glasgow | 2026 |
| Brawn Engineering Ltd | Brackley | 2024 |
| Brawn Technology Limited | Rawtenstall | 2020 |
| Brax LA RUE Ltd | London | 2019 |
| Bray Controls (UK) Limited | Inchinnan | 1996 |
| Bray Cured Limited | Maidenhead | 2021 |
| Bray Design Limited | Skegness | 2009 |
| Bray Design Upholstery Limited | Maidenhead | 1994 |
| Bray Engineering Services (UK) Limited | Scunthorpe | 2013 |
| Bray Furniture Limited | Seaton | 2019 |
| Bray Group Limited | Faringdon | 1978 |
| Bray Heavy Industries Ltd | Twickenham | 2013 |
| Bray Plant (Hire) Ltd | London | 2022 |
| Bray Plastics Limited | Leighton Buzzard | 1985 |
| Bray's Cider Limited | Taunton | 2021 |
| Braybrook Services Limited | Essex | 1997 |
| Braydeston Ltd | Norwich | 2025 |
| Brayford Limited | Lewes | 1985 |
| Brayford Press Limited | Lincoln | 2024 |
| Brayon Limited | Hinckley | 2017 |
| Brayoniconsultancy Ltd | Kingston Upon Thames | 2025 |
| Braypost Limited | Canterbury | 1992 |
| Brays & K'S Ltd | Redruth | 2025 |
| Brays Bakery Wholesale Limited | Manchester | 2025 |
| Braysdown Bespoke Joinery Ltd | Radstock | 2021 |
| Braystones Automotive Ltd | Newcastle Upon Tyne | 2019 |
| Brayton Engineering Limited | Carlisle | 2003 |
| Braywell Ltd | Liverpool | 2026 |
| Brayzel Boats Limited | Chorley | 2012 |
| Brazen Esports Limited | Cheltenham | 2017 |
| Brazen Jewellery Ltd. | Glasgow | 2004 |
| Brazenor's Brews Ltd | High Wycombe | 2023 |
| Brazier & Co Ltd | Shaldon | 2008 |
| Brazier Coffee Roasters Ltd | Wellington | 2015 |
| Brazier Metal Spinning Limited | West Bromwich | 2016 |
| Brazil & Co (Steel) Limited | Kington | 2009 |
| Brazil Coms CIC | London | 2025 |
| Brazil Media UK Ltd | London | 2024 |
| Brazilian Joinery Limited | Warrington | 2011 |
| Brazilian Street Food Limited | Basingstoke | 2023 |
| Brazy Limited | Brentwood | 2023 |
| BRB Boxes Limited | Hull | 2021 |
| BRB Engineering Ltd | Birmingham | 2024 |
| BRB Furnishing UK Limited | Manchester | 2026 |
| BRC Limited | Cardiff | 2008 |