| Bristol and West Fire Doors Ltd | Extraterritorial | 2025 |
| Bristol and West Property Services Limited | Administrative & support | 2026 |
| Bristol Angels Ltd | Hospitality | 2025 |
| Bristol Angling Centre Limited | Wholesale & retail | 2021 |
| Bristol Apparel Ltd | Wholesale & retail | 2026 |
| Bristol Appliance Centre Limited | Wholesale & retail | 2024 |
| Bristol Appliance Outlet Ltd | Wholesale & retail | 2025 |
| Bristol Appliance Repairs Ltd | Other services | 2018 |
| Bristol Appliance Services Ltd | Other services | 2024 |
| Bristol Armoury Woman Gym Ltd | Arts & recreation | 2018 |
| Bristol Arrow Bowling Club Limited | Arts & recreation | 1988 |
| Bristol Artificial Grass Company Ltd | Administrative & support | 2020 |
| Bristol Arts Monster CIC | Wholesale & retail | 2019 |
| Bristol Asbestos Removal Ltd | Professional & scientific | 2025 |
| Bristol Association for Neighbourhood Daycare Limited | Health & social care | 1993 |
| Bristol Association of Sessional Doctors Limited | Health & social care | 2011 |
| Bristol Autism Centre C.I.C. | Manufacturing | 2023 |
| Bristol Auto Ltd | Wholesale & retail | 2025 |
| Bristol Auto Repair Ltd | Wholesale & retail | 2025 |
| Bristol Auto Services Limited | Wholesale & retail | 2022 |
| Bristol Autoclave Rentals Limited | Administrative & support | 2021 |
| Bristol Autohub Ltd | Construction | 2022 |
| Bristol Automotive Supplies Ltd | Wholesale & retail | 2010 |
| Bristol AV Ltd | Arts & recreation | 2020 |
| Bristol Aviation Medicals Limited | Transport & logistics | 2014 |
| Bristol Aviation Training Limited | Education | 2017 |
| Bristol Back Pain Clinic Limited | Health & social care | 2016 |
| Bristol Baggage Co Limited | Wholesale & retail | 2016 |
| Bristol Balle Balle Ltd | Hospitality | 2024 |
| Bristol Banners & Signs Limited | Manufacturing | 2000 |
| Bristol Bar-B-Que Ltd | Hospitality | 2025 |
| Bristol Barbarians Rugby Club Limited | Arts & recreation | 2026 |
| Bristol Barber Limited | Other services | 2025 |
| Bristol Barber Shop Limited | Other services | 2003 |
| Bristol Bars Ltd | Hospitality | 2019 |
| Bristol Based Airsoft Limited | Wholesale & retail | 2025 |
| Bristol Batteries Limited | Wholesale & retail | 1972 |
| Bristol Bawarchi Biryani Cafe Ltd | Hospitality | 2024 |
| Bristol Bawarchi Limited | Hospitality | 2018 |
| Bristol Bay Code Factory Limited | Information & communication | 2020 |
| Bristol Bazaar Ltd | Wholesale & retail | 2024 |
| Bristol Bears Limited | Arts & recreation | 2017 |
| Bristol Bears Women Rugby Club Limited | Arts & recreation | 2018 |
| Bristol Beauty Aesthetics Training Ltd | Other services | 2019 |
| Bristol Beauty Line Ltd | Other services | 2024 |
| Bristol Beauty Zone Limited | Other services | 2016 |
| Bristol Bedmaker Ltd | Wholesale & retail | 2012 |
| Bristol Beer Factory Limited | Financial services | 2022 |
| Bristol Begbrook Ltd | Real estate | 2025 |
| Bristol Benevolent Institution Corporate Trustee Limited | Professional & scientific | 2021 |
| Bristol Bespoke Boxes Limited | Manufacturing | 2020 |
| Bristol Bespoke Ltd | Administrative & support | 2007 |
| Bristol Best Halal Butcher Ltd | Wholesale & retail | 2023 |
| Bristol Best Hand Car Wash Ltd | Administrative & support | 2025 |
| Bristol Bike DOC Ltd | Wholesale & retail | 2011 |
| Bristol Bike Project CIC | Wholesale & retail | 2011 |
| Bristol Biomass Ltd | Wholesale & retail | 2020 |
| Bristol Black Carers | Health & social care | 2001 |
| Bristol Blackboy Cycles Limited | Wholesale & retail | 2003 |
| Bristol Blast Away Limited | Administrative & support | 2021 |
| Bristol Blind Company Limited | Other services | 2025 |
| Bristol Blue Taxis Limited | Transport & logistics | 2022 |
| Bristol Bluegreen Limited | Manufacturing | 2013 |
| Bristol Blueline Taxis Ltd | Transport & logistics | 2025 |
| Bristol Boaters Community Association Ltd | Other services | 2021 |
| Bristol Bobbers Ltd | Wholesale & retail | 2015 |
| Bristol Body Care Limited | Wholesale & retail | 2009 |
| Bristol Bookkeeping & Accountancy Services Limited | Professional & scientific | 2015 |
| Bristol Bookkeeping Limited | Professional & scientific | 2015 |
| Bristol Bootcamp Company Ltd | Arts & recreation | 2015 |
| Bristol Booze Ltd | Wholesale & retail | 2025 |
| Bristol Botanicals Limited | Health & social care | 2005 |
| Bristol Bound Ltd | Information & communication | 2025 |
| Bristol Bowsers Limited | Construction | 2016 |
| Bristol Boxing Limited | Arts & recreation | 1994 |
| Bristol Breakers CIC | Education | 2024 |
| Bristol Brewing Company Limited | Manufacturing | 2002 |
| Bristol Brick Company Limited | Manufacturing | 2022 |
| Bristol Bridge Company Limited | Hospitality | 2012 |
| Bristol Broadband Co-Operative Ltd. | Information & communication | 2004 |
| Bristol Broth Ramen Limited | Hospitality | 2025 |
| Bristol Brunch Company Limited | Hospitality | 2017 |
| Bristol Bubbles Ltd | Other services | 2025 |
| Bristol Bubbles Smart Repairs Limited | Wholesale & retail | 2023 |
| Bristol Bubbles Valets Ltd | Administrative & support | 2021 |
| Bristol Build Limited | Construction | 2022 |
| Bristol Builders Supplies Limited | Wholesale & retail | 1933 |
| Bristol Building (SW) Limited | Construction | 2014 |
| Bristol Building Contractors Ltd | Construction | 2012 |
| Bristol Building Services Ltd | Construction | 2024 |
| Bristol Business Brokers Limited | Financial services | 2018 |
| Bristol Business Centre Limited | Extraterritorial | 2008 |
| Bristol Business Coaching Group Ltd | Professional & scientific | 2014 |
| Bristol Business Interiors Ltd | Construction | 2005 |
| Bristol Business Park Management Limited | Real estate | 1994 |
| Bristol Business Plans Limited | Administrative & support | 2013 |
| Bristol Business Psychology Limited | Professional & scientific | 2019 |
| Bristol Business School Limited | Extraterritorial | 1990 |
| Bristol Cabbie Ltd | Transport & logistics | 2025 |
| Bristol Cafe Ltd | Hospitality | 2017 |