| Bryony Makes Limited | Hospitality | 2020 |
| Bryony Metal Treatments Limited | Professional & scientific | 2006 |
| Bryophyte Surveys Ltd | Professional & scientific | 2015 |
| Bryson Plant Hire Limited | Financial services | 2010 |
| BS Five Holdings Limited | Professional & scientific | 2007 |
| BS Five Property Maintenance Limited | Real estate | 2007 |
| BS Garage Ltd | Wholesale & retail | 2025 |
| BS Investments Limited | Professional & scientific | 2016 |
| BS Knapp Ltd | Construction | 1997 |
| BS Lucky Boat Limited | Hospitality | 2024 |
| BS Obento Limited | Hospitality | 2022 |
| BS Offices Ltd | Real estate | 2023 |
| BS Oriental Sunrise Limited | Hospitality | 2024 |
| BS Peking Limited | Hospitality | 2022 |
| BS Pensions Trustees Limited | Administrative & support | 1992 |
| BS Properties Limited | Real estate | 1986 |
| BS Singh & Co LLP | | 2009 |
| BS Trustees Limited | Professional & scientific | 2008 |
| BS Winterbourne Limited | Hospitality | 2023 |
| BS1 J Venue Limited | Financial services | 2020 |
| BS1277 Limited | Hospitality | 2023 |
| BS15 Ltd | Hospitality | 2019 |
| BS1UK Ltd | Hospitality | 2025 |
| BS2 Lofts Management Company Limited | Households | 2005 |
| BS3 Bristol Limited | Wholesale & retail | 2012 |
| BS3 Creative Limited | Information & communication | 2006 |
| BS3 Holdings Limited | Real estate | 2021 |
| BS3 Properties Ltd | Real estate | 2025 |
| BS3 Roofing Limited | Construction | 2019 |
| BS3 Services Limited | Construction | 2002 |
| BS3 Training Ltd | Education | 2015 |
| BS3 Winter Lantern Projects Community Interest Company | Arts & recreation | 2023 |
| BS30 Property Developments Ltd | Construction | 2023 |
| BS30 Tilers Ltd | Construction | 2021 |
| BS32 Brickwork & Builders Limited | Construction | 2022 |
| BS32 Limited | Construction | 2014 |
| BS34 Supermarket Ltd | Wholesale & retail | 2024 |
| BS4 Electrical Services Ltd | Construction | 2022 |
| BS4 Maintenance Limited | Administrative & support | 2015 |
| BS5 Beyond Games Ltd | Manufacturing | 2023 |
| BS5 Flooring Limited | Wholesale & retail | 2019 |
| BS5 Office Space Limited | Professional & scientific | 2021 |
| BS5 Servies Ltd | Construction | 2026 |
| BS5 Storage Limited | Transport & logistics | 2021 |
| BS50 Holdings Limited | Real estate | 2025 |
| BS6 Barbers Ltd | Other services | 2025 |
| BS7 Design & Build Limited | Real estate | 2018 |
| BS7 Limited | Real estate | 2010 |
| BS8 Barbers Ltd | Other services | 2026 |
| BS8 Consulting Limited | Professional & scientific | 2025 |
| BS8 Holdings Ltd | Financial services | 2023 |
| BS8 Ltd | Hospitality | 2009 |
| BS8 Property Management Limited | Real estate | 2025 |
| BS8RECORDS Ltd | Arts & recreation | 2023 |
| BS9 Construction Limited | Construction | 2023 |
| BS9 Ltd | Real estate | 2020 |
| BSA Group (SW) Limited | Administrative & support | 2013 |
| BSA Interiors Limited | Construction | 2013 |
| BSA Jobs Ltd | Construction | 2026 |
| BSA Passive Fire Protection Ltd | Construction | 2016 |
| BSA Racing Ltd | Arts & recreation | 2025 |
| Bsattva Solutions Ltd | Information & communication | 2016 |
| BSB Better Together CIC | Health & social care | 2024 |
| BSC Property Developments Ltd | Construction | 2018 |
| Bscl Communications Ltd. | Professional & scientific | 1986 |
| BSD Services (South West) Limited | Construction | 2022 |
| Bshi Ltd | Professional & scientific | 2018 |
| Bsides Bristol CIC | Administrative & support | 2018 |
| BSJ Groups Limited | Public administration | 2023 |
| Bsjp Tech Limited | Professional & scientific | 2023 |
| BSL Property Management Ltd | Real estate | 2024 |
| BSM Franchise Show Ltd | Information & communication | 2013 |
| Bsmc Group Ltd | Wholesale & retail | 2025 |
| Bspm Limited | Extraterritorial | 2003 |
| BSQ UK Limited | Wholesale & retail | 2019 |
| Bsracer Ltd | Wholesale & retail | 2025 |
| Bssix Creative Limited | Professional & scientific | 2014 |
| Bstl Lyfe Ltd | Public administration | 2022 |
| Bswg Property Management Ltd | Real estate | 2023 |
| BT Carpentry Limited | Manufacturing | 2022 |
| BT Hospitality Limited | Hospitality | 2024 |
| BT Plastering Ltd | Construction | 2026 |
| BT Property Maintenance Ltd | Construction | 2026 |
| BTA Garage Ltd | Wholesale & retail | 2021 |
| BTA Property Management Ltd | Real estate | 2021 |
| Btacbristol Limited | Transport & logistics | 2014 |
| Btas Limited | Professional & scientific | 2006 |
| BTC Tiling Limited | Construction | 2015 |
| Btech Ltd | Manufacturing | 2003 |
| BTG Cardiology Limited | Health & social care | 2018 |
| Bthp Lighting Limited | Construction | 2011 |
| BTL Avenue Ltd | Real estate | 2020 |
| Btmatix Limited | Wholesale & retail | 2026 |
| Btml Limited | Construction | 2018 |
| Btop Limited | Administrative & support | 2007 |
| BTS Homes Ltd | Real estate | 2023 |
| Bubble Driving School Limited | Education | 2017 |
| Bubble House Bristol Ltd | Other services | 2024 |
| Bubble Play Ltd | Information & communication | 2016 |
| Bubble Tea (Swindon) Ltd | Hospitality | 2023 |