| Blast Light Ltd | Health & social care | 2018 |
| Blue Ice Retail Ltd | Wholesale & retail | 2025 |
| Blue Sky Process Engineering Limited | Professional & scientific | 2018 |
| BMG Accountancy Services Ltd | Professional & scientific | 2017 |
| BNX Bath Ltd | Administrative & support | 2023 |
| Body Balance Therapy Ltd | Other services | 2023 |
| Body Balance Wellness Ltd | Arts & recreation | 2021 |
| BON BON Bijou Limited | Wholesale & retail | 2013 |
| Boss Barber Hair CUT Ltd | Other services | 2025 |
| Bower Collective Ltd | Wholesale & retail | 2018 |
| Bowlish House Events Ltd | Hospitality | 2024 |
| Bowlish House Limited | Hospitality | 1964 |
| Brailsford Renewables Limited | Energy | 2025 |
| Bramble Hall Renewables Limited | Energy | 2025 |
| Bramble Property Ltd | Real estate | 2025 |
| BRAVE4 Ltd | Information & communication | 2018 |
| Breakfasthut Ltd. | Information & communication | 2015 |
| Brickells Icecream Limited | Manufacturing | 2018 |
| Bricks and Mortar Lending Limited | Financial services | 2018 |
| Brickyard Commercial Limited | Construction | 2012 |
| Bridge Farm Developments Ltd | Construction | 2024 |
| Brighter Horizons Tutoring Limited | Education | 2023 |
| Bristol Assured Tenancies (NO.1) Limited | Real estate | 1992 |
| Bristol Assured Tenancies (NO.2) Limited | Real estate | 1992 |
| Bristol Assured Tenancies (NO.4) Limited | Real estate | 1993 |
| Bristol Assured Tenancies (NO.5) Limited | Real estate | 1993 |
| Bristol Assured Tenancies (NO.8) Limited | Real estate | 1993 |
| Bristol Assured Tenancies (NO.9) Limited | Real estate | 1993 |
| British Cheese Awards Limited | Professional & scientific | 1994 |
| British Solar Renewables Limited | Construction | 2010 |
| Brook Hall Barns Limited | Real estate | 2020 |
| Brookfield Livestock Marketing Limited | Wholesale & retail | 2012 |
| Brooks Agri Limited | Construction | 2004 |
| Broomfield Heating & Plumbing Limited | Construction | 2017 |
| Brothers Drinks Co. Limited | Manufacturing | 1992 |
| Brownlow Massey Holdings Limited | Professional & scientific | 2006 |
| BSR Applications Limited | Energy | 2012 |
| BSR Connect Limited | Construction | 2013 |
| BSR Energy 2 Limited | Energy | 2022 |
| BSR Energy 4 Limited | Energy | 2026 |
| BSR Energy Holdings 2 Limited | Energy | 2022 |
| BSR Energy Holdings 3 Limited | Energy | 2022 |
| BSR Energy Holdings 4 Limited | Energy | 2026 |
| BSR Energy Holdings Limited | Energy | 2015 |
| BSR Energy Limited | Professional & scientific | 2016 |
| BSR EPC Limited | Construction | 2018 |
| BSR Finco 1 Limited | Financial services | 2026 |
| BSR Finco 2 Limited | Financial services | 2026 |
| BSR Group Holdings Limited | Professional & scientific | 2012 |
| BSR O&M Limited | Energy | 2021 |
| Bucketofcrabs Limited | Hospitality | 2026 |
| Buckland Ripers Renewables Limited | Energy | 2026 |
| Bucks Farriers of Somerset Limited | Agriculture & fishing | 2023 |
| Bullpen Corporation Limited | Extraterritorial | 2013 |
| Bund&Build Limited | Construction | 2025 |
| Burton Sweet (Bristol) Limited | Administrative & support | 2017 |
| Burton Sweet (SM) Limited | Administrative & support | 2017 |
| Burton Sweet Company Secretarial Limited | Extraterritorial | 2005 |
| Burton Sweet Limited | Administrative & support | 2017 |
| Business Skills Hub Limited | Administrative & support | 2024 |
| C P Duck Haulage Ltd | Construction | 2013 |
| C&R Lifestyle Ltd | Wholesale & retail | 2021 |
| CA Showcase Ltd | Administrative & support | 2018 |
| Cabbages & Roses Limited | Manufacturing | 2000 |
| Cado Construction Ltd | Construction | 2025 |
| Cadwise Projects Ltd | Professional & scientific | 2022 |
| Caines Building & Restoration Ltd | Construction | 2020 |
| Cairnton Estate Renewables Limited | Energy | 2025 |
| Cambridge Financial Consultants Ltd | Financial services | 2012 |
| Camelia Chifor Ltd | Health & social care | 2019 |
| Canine Design Academy Limited | Wholesale & retail | 2013 |
| Capital Returns Trustees Limited | Professional & scientific | 2000 |
| Capitali Limited | Professional & scientific | 2011 |
| Car Cleaning and Valeting Ltd | Other services | 2020 |
| Carey Court Residents Management Limited | Households | 2004 |
| Carlton Court Management Company (Shepton Mallet) Limited | Households | 1999 |
| Carlton Creed Ltd | Real estate | 2021 |
| Carpe Diem Holdings (South West) Ltd | Financial services | 2026 |
| Carpe Diem Leisure Ltd | Hospitality | 2026 |
| Carpe Diem Property Company Ltd | Real estate | 2026 |
| Carroll Environmental Ltd | Professional & scientific | 2020 |
| Cartechno Ltd | Wholesale & retail | 2023 |
| Carters Cleaning Services (South West) Limited | Administrative & support | 2014 |
| Carthagena Management Limited | Professional & scientific | 2003 |
| Cartledge Agri Limited | Agriculture & fishing | 2023 |
| Cask & Reason Ltd | Wholesale & retail | 2026 |
| Cat Holdings Ltd | Financial services | 2022 |
| Cat Lettings Ltd | Real estate | 2021 |
| Cat Trading Ltd | Wholesale & retail | 2018 |
| Catherine Street Management Company Limited | Real estate | 2017 |
| CD Shepton Taxis Ltd | Wholesale & retail | 2023 |
| CDL Training and Event Medical Services Ltd | Public administration | 2025 |
| Celebrity Walls Limited | Wholesale & retail | 2025 |
| Centred Soul Ltd | Other services | 2017 |
| Certification Services International Limited | Professional & scientific | 2005 |
| CG Adventure Ltd | Education | 2025 |
| CGV Management Limited | Professional & scientific | 2018 |
| Chambers Electrical Limited | Construction | 1998 |
| Channel Corporate Communications Limited | Information & communication | 2001 |
| Charles Dowding Ltd | Information & communication | 2017 |