| Benvic Dugdale Limited | West Yorkshire | 2000 |
| Benvolio London Ltd | London | 2024 |
| Benweld Limited | Wisbech | 2018 |
| Benweldsecure Ltd | Wokingham | 2011 |
| Benwil Engineering and Industrial Technologies Ltd | London | 2025 |
| Benx Limited | Stoke-On-Trent | 2002 |
| Beny Food Ltd | Wymondham | 2025 |
| Beny Trimming Ltd | Cambridge | 2025 |
| Benzar Electronics Ltd | Liverpool | 2022 |
| Benzen Group Limited | Cambridge | 2015 |
| Benzi Camper Conversions Ltd | Chesterfield | 2017 |
| Benzinpetrophysics Ltd | Uxbridge | 2025 |
| Ben’S Bespoke Builds Ltd | London | 2026 |
| BEO Limited | North Queensferry | 1996 |
| Beon Ltd | Northolt | 2026 |
| Beond Engineering Ltd | Norfolk | 2004 |
| Beontv Ltd | Birmingham | 2026 |
| Beorma Leather Company Limited | Walsall | 2022 |
| Beosound UK Ltd | London | 2024 |
| Beowulf Brewing Company Ltd | Walsall | 2022 |
| Beowulf Performance Products Limited | Manchester | 2003 |
| BEP Create Limited | Potters Bar | 2018 |
| BEP Surface Technologies Limited | Manchester | 1978 |
| Bepeima Ltd | Cambridge | 2023 |
| Bepro Group Ltd | London | 2022 |
| Bepro-Uk Ltd | London | 2020 |
| Beqo Carpentry Limited | Reading | 2016 |
| Beraca Art Ltd | London | 2018 |
| Berachah Consulting Limited | London | 2013 |
| Beran Instruments Limited | N.Devon | 1984 |
| Berari Ltd | Bolton | 2022 |
| Berber Artisan Ltd | Aylesbury | 2022 |
| Berber Creations Ltd | London | 2021 |
| Berbiche Brothers Ltd | Manchester | 2025 |
| Berbish Ltd | Manchester | 2022 |
| Berby Ltd | Edgware | 2016 |
| Bercal Ltd | Wigan | 2016 |
| Beren & Denton Ltd | Kington | 2021 |
| Beres Art Limited | Aylesford | 2018 |
| Beresford Cooper Limited | Sevenoaks | 2017 |
| Beresford Kitchens and Interiors Limited | Dromore | 2022 |
| Bereton Electronics Limited | Telford | 1990 |
| Berfinta Ltd | London | 2023 |
| Berg Group Limited | Chelmsford | 2026 |
| Berg International Limited | Poole | 2025 |
| Bergelmir Modular Ecopod Limited | Sutton Coldfield | 2021 |
| Bergen Engines Limited | Retford | 2011 |
| Bergen Furniture Limited | York | 2007 |
| Bergen Pipe Supports Limited | Solihull | 1968 |
| Berger Closures Limited | Peterlee | 1988 |
| Bergkamp & Bronze Ltd | Croydon | 2025 |
| Bergs Designs Ltd | London | 2026 |
| Bergstrom (Europe) Limited | Ystrad Mynach | 1989 |
| Bergstrom Holdings (Europe) Limited | Ystrad Mynach | 2013 |
| Bergville Limited | Stafford, | 2024 |
| Bergz Engineering Ltd | Manchester | 2019 |
| Berhael Trading Limited | Enniskillen | 2017 |
| Bericap U.K. Limited. | Hull | 1990 |
| Berich Property Services Limited | Harlow | 2022 |
| Bering Tees Ltd | Swansea | 2019 |
| Berioska UK Ltd | London | 2022 |
| Berisfords Limited | Congleton | 1992 |
| Berite (Sawmills) Limited | Cirencester | 1997 |
| Berj Ecoraphs Ltd | Southend-On-Sea | 2026 |
| Berjen Limited | Doncaster | 2008 |
| Berk Metal Ltd | Chester | 2021 |
| Berk Services Ltd | Waltham Cross | 2020 |
| Berkana Drums Ltd | London | 2025 |
| Berkana Labs Ltd | London | 2018 |
| Berkeley Beds Ltd | Dewsbury | 2015 |
| Berkeley Car Company (Scotland) Limited | Arbroath | 1981 |
| Berkeley Coachworks Ltd | Haverfordwest | 2018 |
| Berkeley Cole Limited | Cirencester | 2017 |
| Berkeley Fabrication & Welding Ltd | Berkeley | 2003 |
| Berkeley GRP Products Limited | Salisbury | 2019 |
| Berkeley Machinery Limited | Bromley | 2018 |
| Berkeley Springs Limited | Grays | 2015 |
| Berkeley Stainless Fittings Limited | Bristol | 1998 |
| Berkeley Textiles Ltd | Henlow | 2026 |
| Berker Bros. Limited | London | 1981 |
| Berkhamsted Garden Services Ltd | Berkhamsted | 2016 |
| Berkhamsted Toiletries Ltd | Berkhamsted | 2023 |
| Berki Solution Limited | Huddersfield | 2026 |
| Berkley Oak Ltd | Manchester | 2015 |
| Berkley Plumbing & Heating Ltd | London | 2003 |
| Berks Agro Ltd | Slough | 2023 |
| Berkshire Board Cuts Ltd | Wokingham | 2023 |
| Berkshire Concrete Limited | Marlborough | 2017 |
| Berkshire County Trailers Ltd | Bracknell | 2016 |
| Berkshire Cutouts Limited | Haslemere | 1990 |
| Berkshire Electrical Limited | Bracknell | 2017 |
| Berkshire Engineering and Manufacturing Limited | Camberley | 2006 |
| Berkshire Engineering Supplies Limited | Great Yarmouth | 2001 |
| Berkshire Forklift Services Ltd | Bracknell | 2020 |
| Berkshire Garden Machinery Limited | Tywford | 2010 |
| Berkshire Heritage Joiners Ltd | Reading | 2022 |
| Berkshire International Limited | London | 1985 |
| Berkshire Labels Limited | Hungerford | 1987 |
| Berkshire Lifts Limited | Slough | 2015 |
| Berkshire Metal Fabrications (I & M) Limited | 9 Soar Lane | 1985 |