| BDP H2 Green UK Ltd | Energy | 2024 |
| BDP Transport Ltd | Transport & logistics | 2024 |
| Bdriven Bristol Ltd | Transport & logistics | 2020 |
| Bdriven South Glos Ltd | Transport & logistics | 2016 |
| BDS (Bristol Design Studio) Limited | Information & communication | 2012 |
| BDS Damp Specialist Ltd | Construction | 2016 |
| Bdsn Logistics Limited | Transport & logistics | 2025 |
| BDSPV1 Limited | Professional & scientific | 2023 |
| BE & SC Barbers Ltd | Other services | 2024 |
| BE & SC Holdings Ltd | Hospitality | 2023 |
| BE 2020 Limited | Energy | 2014 |
| BE Bright BE Brave Ltd | Wholesale & retail | 2023 |
| BE HER Lead C.I.C. | Education | 2018 |
| BE Here NOW Ltd | Wholesale & retail | 2020 |
| BE Impactful Ltd | Arts & recreation | 2023 |
| BE More Beam Ltd | Wholesale & retail | 2022 |
| BE More Peacock CIC | Professional & scientific | 2024 |
| BE Noticed Design Ltd | Professional & scientific | 2018 |
| BE Pampered Ltd | Wholesale & retail | 2007 |
| BE School of Business English Ltd | Education | 2021 |
| BE the Change HR Consultancy Ltd | Administrative & support | 2023 |
| BE the Racer Ltd | Arts & recreation | 2016 |
| BE Weird BE Wild BE Wonderful Playhub Ltd | Wholesale & retail | 2023 |
| BE White Ltd | Health & social care | 2013 |
| BE Young Aesthetics Ltd | Other services | 2025 |
| Beach Baker Limited | Administrative & support | 2008 |
| Beach Cabs Ltd | Transport & logistics | 2019 |
| Beach Catering Solutions Ltd | Administrative & support | 2019 |
| Beach Design & Build Ltd | Manufacturing | 2024 |
| Beachams Barn Cabins Limited | Construction | 2023 |
| Beachcroft Ltd | Real estate | 2024 |
| Beachwood Hospitality Ltd | Hospitality | 2019 |
| Beachy Group Ltd | Wholesale & retail | 2014 |
| Beacon Battery Design Ltd | Professional & scientific | 2022 |
| Beacon Care Consultants Limited | Professional & scientific | 2022 |
| Beacon Cleaning Services Limited | Administrative & support | 1996 |
| Beacon Enterprise Solutions Limited | Administrative & support | 2009 |
| Beacon Hill Court (Bath) Limited | Households | 1972 |
| Beacon Maintenance Services Ltd | Construction | 2021 |
| Beacon Services (Bristol) Limited | Construction | 2019 |
| Beacon Tower Management Limited | Households | 2016 |
| Beaconlea Garage Limited | Wholesale & retail | 2013 |
| Beaconlea Holdings Limited | Financial services | 2026 |
| Beafort Road Management Company Ltd | Extraterritorial | 2005 |
| Beagle Partners LLP | | 2003 |
| Beagle, Heating, Plumbing & GAS Ltd | Construction | 2021 |
| Beak Tech Community Interest Company | Information & communication | 2026 |
| Beakes Packaging and Recycling Limited | Administrative & support | 2009 |
| Beale's of Bath Limited | Professional & scientific | 2018 |
| Beam & Brace Ltd | Construction | 2025 |
| Beam and Blueprint Ltd | Construction | 2025 |
| Beameefy Technologies Ltd | Information & communication | 2026 |
| Beament Brothers Limited | Real estate | 2019 |
| Beames House Management Limited | Other services | 1990 |
| Beamformat Limited | | 1988 |
| Beamview Limited | Real estate | 1983 |
| Bean Haulage and Plant Movement Ltd | Transport & logistics | 2025 |
| Bean Holdings Ltd | Hospitality | 2023 |
| Bean There TOO Ltd | Hospitality | 2026 |
| Bean Tree Cafe Limited | Hospitality | 2017 |
| Beans and Machines Limited | Wholesale & retail | 2011 |
| Beanwood Solutions Ltd | Wholesale & retail | 2016 |
| Bear & Bunny Ltd | Wholesale & retail | 2020 |
| Bear Environmental Ltd | Administrative & support | 2017 |
| Bear Flat Industries Ltd | Information & communication | 2018 |
| Bear Renovations Limited | Construction | 2018 |
| Bear Sick Ltd | Hospitality | 2024 |
| Bear's Detailing Limited | Wholesale & retail | 2017 |
| Beard Medical LLP | | 2015 |
| Beard Medical Practice Ltd | Health & social care | 2016 |
| Beardmore Ventures Limited | Administrative & support | 2011 |
| Bearfield Consulting Limited | Professional & scientific | 2011 |
| Bearfoot Design Ltd | Professional & scientific | 2019 |
| Bearpit Shotgun Ltd | Other services | 2017 |
| Bearwood VFX Limited | Information & communication | 2025 |
| Beast Autobody Ltd | Wholesale & retail | 2025 |
| Beast Mode Limited | Extraterritorial | 2018 |
| Beast Removalz Ltd | Water & waste | 2023 |
| Beat Dungeon LLP | | 2025 |
| Beatdealer Recordings Ltd | Information & communication | 2011 |
| Beateffect Limited | Wholesale & retail | 1996 |
| Beatresult Ltd | Wholesale & retail | 2004 |
| Beatrice Menis Design Ltd | Professional & scientific | 2023 |
| Beau Management Company Limited(The) | Households | 1977 |
| Beaubaby Group Limited | Wholesale & retail | 2020 |
| Beaucontour Limited | Other services | 2023 |
| Beaufort Bespoke Kitchens Ltd | Manufacturing | 2005 |
| Beaufort Bespoke Limited | Manufacturing | 2012 |
| Beaufort Court (Clevedon) Management Company Limited | Households | 1981 |
| Beaufort Court Limited | Households | 2023 |
| Beaufort Heights (Bristol) Amenity Company Limited | Households | 1993 |
| Beaufort House Bristol Limited | Households | 1991 |
| Beaufort Installations Ltd | Construction | 2019 |
| Beaufort Kingsley Limited | Real estate | 2021 |
| Beaufort Motor Company Limited | Wholesale & retail | 1993 |
| Beaufort Park (Wootton Bassett) Management Limited | Households | 2008 |
| Beaufort Property Maintenance Limited | Construction | 2013 |
| Beaufort Road Management Ltd | Households | 1986 |
| Beauley Electrical Services Ltd | Construction | 2023 |
| Beauley Motor Services Limited | Wholesale & retail | 2008 |