| B & B Marketing Limited | Other services | 2019 |
| B & B Properties Bristol Ltd | Real estate | 2024 |
| B & C Engineering Limited | Construction | 2017 |
| B & C Maenz Services Limited | Health & social care | 2014 |
| B & D Haulage Ltd | Transport & logistics | 2013 |
| B & F (South West) Ltd | Extraterritorial | 2010 |
| B & G Building S.W. Limited | Construction | 2013 |
| B & GT Limited | Wholesale & retail | 2018 |
| B & H Plumbing & Heating Services Limited | Construction | 2003 |
| B & I Entertainment Limited | Hospitality | 2019 |
| B & K Bristol Properties LLP | | 2021 |
| B & K Refurbishment Ltd | Real estate | 2022 |
| B a G Logistics Solutions Ltd | Transport & logistics | 2024 |
| B and E Builders Limited | Other services | 2017 |
| B and H Homes Limited | Construction | 2019 |
| B Bartlett Limited | Hospitality | 2015 |
| B C Services (South West) Limited | Construction | 2006 |
| B D Logistic Solutions Ltd | Professional & scientific | 2021 |
| B D Thornell Limited | Transport & logistics | 2004 |
| B E Wealth Management Ltd | Professional & scientific | 2025 |
| B Elliott Holdings Ltd | Real estate | 2022 |
| B Elliott Properties Ltd | Construction | 2016 |
| B F Ayodele Electric and Mobility Company Limited | Construction | 2018 |
| B H Bevan Limited | Professional & scientific | 2025 |
| B J Blake Illustrations Limited | Professional & scientific | 2002 |
| B J Property Services Limited | Administrative & support | 2001 |
| B L Computer Systems Limited | Information & communication | 2014 |
| B L Flooring Supplies Limited | Wholesale & retail | 2001 |
| B Line Electrical Ltd | Manufacturing | 2024 |
| B Lockwood Holdings Limited | Financial services | 2014 |
| B M Foods Limited | Wholesale & retail | 2002 |
| B M Property Investments Ltd | Real estate | 2018 |
| B Magnetic Ltd | Education | 2024 |
| B Matteo Limited | Transport & logistics | 2018 |
| B Murley Legal Limited | Professional & scientific | 2026 |
| B P Electrical (Bristol) Ltd | Construction | 2019 |
| B P Flooring South West Limited | Construction | 2023 |
| B P Rail Services Limited | Extraterritorial | 2013 |
| B Pearce Construction Ltd | Construction | 2020 |
| B Purnell Electrical Contractors Ltd | Construction | 2023 |
| B R P Consulting (2015) Limited | Financial services | 2015 |
| B S H Hospitality Ltd | Hospitality | 2022 |
| B S Home Lets Limited | Real estate | 2003 |
| B Squared Studio Ltd | Professional & scientific | 2021 |
| B Summers Limited | Administrative & support | 2011 |
| B W Carpentry & Build Ltd | Construction | 2025 |
| B W Fabrications Limited | Manufacturing | 2008 |
| B W T Construction Services Ltd | Construction | 2015 |
| B&A Driveways Ltd | Administrative & support | 2025 |
| B&B Domcare Ltd | Wholesale & retail | 2023 |
| B&B Pallets & SON Ltd | Manufacturing | 2022 |
| B&B Property Group Limited | Construction | 2025 |
| B&Cgc Land Limited | Real estate | 2017 |
| B&G Cleaning Services Limited | Administrative & support | 2026 |
| B&M Building & Carpentry Services Limited | Construction | 2006 |
| B&M Professional Cleaning Ltd | Administrative & support | 2009 |
| B&P 89 Ltd | Transport & logistics | 2025 |
| B&P Bristol Leisure Ltd | Hospitality | 2024 |
| B&R Group Ltd | Other services | 2016 |
| B&R Legacy Ltd | Health & social care | 2021 |
| B&T Madej Ltd | Transport & logistics | 2014 |
| B&W Massey Ltd | Real estate | 2021 |
| B'S Waste & Scrap Removal Ltd | Construction | 2022 |
| B'S Waste Removal Limited | Wholesale & retail | 2026 |
| B-Cool Distribution Ltd. | Transport & logistics | 2024 |
| B-G&C Consulting and Coaching Ltd | Professional & scientific | 2021 |
| B-Key Ltd | Administrative & support | 2010 |
| B-Wired Electrical Ltd | Construction | 2021 |
| B. & D. Carter (Electrical) Limited | Construction | 1980 |
| B. Dorrington Holdings Limited | Wholesale & retail | 2023 |
| B. Garmston Electrical Limited | Construction | 2015 |
| B.A.R Auto Services Ltd | Wholesale & retail | 2024 |
| B.Beautiful Bristol Limited | Other services | 2014 |
| B.D.E. (Northampton) Limited | Professional & scientific | 1979 |
| B.F.G. Trans Limited | Transport & logistics | 2018 |
| B.J.S. Technology Limited | Arts & recreation | 1990 |
| B.J.W. (Bristol) Limited | | 1985 |
| B.M. Products Limited | Transport & logistics | 1985 |
| B.M.E.C (Consulting) Ltd | Manufacturing | 2015 |
| B.M.W. (Boards) Limited | Manufacturing | 1983 |
| B.P. Frames Ltd | Manufacturing | 1998 |
| B.R. Hodgson (Holdings) Limited | Professional & scientific | 2013 |
| B.R. Hodgson Framing Ltd | Construction | 2017 |
| B.R.Hodgson Limited | Construction | 2017 |
| B.Shaw Construction Ltd | Construction | 2023 |
| B.T. Jenkins Limited | Construction | 1973 |
| B.T.C. Brick & Block Paving Limited | Construction | 1990 |
| B.U.S.K. Limited | Professional & scientific | 2004 |
| B.W.B. Properties Limited | Construction | 1995 |
| B1 Relay Limited | Manufacturing | 2021 |
| B13 Limited | Other services | 2018 |
| B25 Support Solutions Ltd | Administrative & support | 2024 |
| B2A Core CIC | Health & social care | 2022 |
| B2B Consulting Europe Ltd | Professional & scientific | 2015 |
| B2B Relationship Loyalty Limited | Professional & scientific | 2012 |
| B2DEUROPE Ltd | Information & communication | 2024 |
| B2K Group Limited | Professional & scientific | 2020 |
| BA Couriers Limited | Transport & logistics | 2024 |
| BA Dental Limited | Health & social care | 2022 |
| BA1 Transport Limited | Transport & logistics | 2025 |