| Branspur Limited | Southend On Sea | 1990 |
| Branston Barnes Ltd | Birmingham | 2016 |
| Branston-Jones Ltd | Andover | 2015 |
| Brantham Scout and Guide Group Headquarters Development Company Limited | Manningtree | 2024 |
| Branthwaite Hall Developments Limited | Workington | 2002 |
| Brantingham Investment Group Ltd | Brough | 2019 |
| Branto Active Limited | Shepperton | 2025 |
| Branxholm Park House Limited | Hawick | 2019 |
| Branyx Ltd | Telford | 2020 |
| Brascho Building and Electrical Ltd | London | 2017 |
| Brasenose Garage & Car Hire Limited | Bootle | 2012 |
| Brash Lettings Limited | Bonnyrigg | 2021 |
| Brasil Containers Limited | East Ham | 2020 |
| Brasil General Services Ltd | Liverpool | 2024 |
| Brass Beauty Limited | Edinburgh | 2021 |
| Brass Service Company Ltd. | London | 2002 |
| Brasstof Limited | Uxbridge | 2002 |
| BRASSY2SASSYY Ltd | Dromore | 2022 |
| Brasukajj Ltd | London | 2025 |
| Brat Aesthetics UK Ltd | Liverpool | 2021 |
| Bratas IT Limited | London | 2014 |
| Bratolyubie Limited | Birmingham | 2025 |
| Bratstheticz Ltd | Manchester | 2023 |
| Bratu IT Solutions Limited | Barking | 2025 |
| Bratz Salon Ltd | Newcastle Upon Tyne | 2023 |
| Bratzy Beauty Limited | Waterlooville | 2025 |
| Braunstone Childcare Co-Operative Limited | Braunstone | 2003 |
| Bravado International Group Limited | London | 1992 |
| Brave Accessories Limited | Ilford | 2022 |
| Brave Barber Ltd | Airdrie | 2022 |
| Brave Breathwork Ltd | Bedford | 2024 |
| Brave Energy Saving Solutions Ltd | Newcastle Upon Tyne | 2021 |
| Brave Family Ltd | Weston-Super-Mare | 2025 |
| Brave Flowers Ltd | Croydon | 2017 |
| Brave Foray Limited | London | 2020 |
| Brave Guarding Ltd | Swansea | 2023 |
| Brave Heart Therapeutic Services CIC | Bathgate | 2026 |
| Brave Hearts Community Living ORG Ltd | London | 2024 |
| Brave Lash Limited | Wirral | 2020 |
| Brave Nutrition Ltd | Hayes | 2019 |
| Brave One Barber Limited | Southport | 2022 |
| Brave Promotionz Ltd | Beds | 2016 |
| Brave Studios Ltd | Ruislip, | 2025 |
| Brave the Waves Limited | London | 2017 |
| Brave Women International | Chatham | 2025 |
| Bravebyte Limited | Bushey | 1989 |
| Bravedirect Limited | Stoke On Trent | 1993 |
| Bravehead Ltd | Nelson | 2020 |
| Braveheart Deck Ltd | Paisley | 2026 |
| Braveheart Industries | Melrose | 2014 |
| Braveheart Operational Logistic Solutions Limited | Glasgow | 2016 |
| Bravenc Ltd | London | 2025 |
| Braver Leadership Limited | Coatbridge | 2015 |
| Braver Talent Consultancy Ltd | London | 2023 |
| Braver Women Ltd | Barnstaple | 2021 |
| Bravera Limited | London | 2021 |
| Bravery Studio Ltd | Milton Keynes | 2017 |
| Bravest Kids Limited | Bury | 2018 |
| Bravetree Limited | London | 1977 |
| Bravexa Ltd | Bury St. Edmunds | 2025 |
| Bravia Investments & Management Limited | Leicester | 2016 |
| Bravidor Capital Limited | London | 2014 |
| Bravion Group Ltd | London | 2026 |
| Bravo Barber Ltd | Eastbourne | 2020 |
| Bravo Blinds and Shutters Ltd | Hemel Hempstead | 2018 |
| Bravo Dog Training Limited | London | 2025 |
| Bravo Express Limited | London | 2025 |
| Bravo Hairdressing Limited | Newbury | 2003 |
| Bravo Hospitality Ltd | Reading | 2018 |
| Bravo Hotel Tango Limited | London | 2011 |
| Bravo Landscapes Ltd | Hull | 2003 |
| Bravo UK Removals Limited | Chatham | 2014 |
| Bravoechonov Ltd | Birmingham | 2025 |
| Bravos Barbershop Limited | Swindon | 2025 |
| Bravotech Ltd | Nottingham | 2021 |
| Bravura Hair Studio Limited | Wrexham | 2004 |
| Braw Hair Limited | Sutton Coldfield | 2004 |
| Braw Saunas Ltd | Glasgow | 2023 |
| Braw Self Drive Tours Ltd | Glasgow | 2025 |
| Braw View Investments Limited | Edinburgh | 2024 |
| Brax Groep Beheer Limited | Hythe | 2025 |
| Brax Groep Limited | Hythe | 2025 |
| Braxbess Ltd | Eastbourne | 2023 |
| Bray Brothers Landscapes Limited | Redditch | 2007 |
| Bray Hair Studio Ltd | Maidenhead | 2009 |
| Bray Shipping Company Limited | Goffs Oak | 1946 |
| Bray Solutions Limited | Chorleywood | 2010 |
| Bray Valley Sporting Club Limited | South Molton | 2013 |
| Braybella Aesthetics Limited | Crewe | 2025 |
| Brayburne Consultancy Ltd | London | 2016 |
| Braye Electrical Contractors Ltd | Mitcham | 2015 |
| Braye Property Services Ltd | Ruislip | 2024 |
| Braygreen Investments Limited | Hailsham | 2023 |
| Braymar Limited | London | 2020 |
| Braysbod Hairs Ltd | London | 2024 |
| Braystones Ltd | Newcastle Upon Tyne | 2024 |
| Brayzone Limited | Market Drayton | 2006 |
| Braz Enterprise Limited | London | 2025 |
| Braze Limited | London | 2015 |
| Brazen Beauty Ltd | Stockport | 2022 |