| Boita Limited | Wholesale & retail | 2010 |
| Bokman Bristol Ltd | Hospitality | 2021 |
| Bola Manufacturing Limited | Manufacturing | 2014 |
| Bold Minds ND Ltd | Professional & scientific | 2025 |
| Bolderwood Developments Limited | Real estate | 2006 |
| Bolderwood Property & Investments Limited | Real estate | 1963 |
| Boleela LLP | | 2023 |
| Boleyn UK Investment Limited | Construction | 2022 |
| Bolt-On-Legal Ltd | Professional & scientific | 2026 |
| Bolton Consultancy Services Limited | Professional & scientific | 2017 |
| Bomba Bar Ltd | Hospitality | 2023 |
| Bombadill Equestrian Ltd | Agriculture & fishing | 2016 |
| Bombardilopavo Ltd | Manufacturing | 2025 |
| Bomber Bikeworks Limited | Manufacturing | 2022 |
| Bombil (PVT) Ltd | Hospitality | 2024 |
| Bomobility Ltd | Professional & scientific | 2019 |
| BON Voyage Global Ltd | Administrative & support | 2025 |
| Bonbase Computers Limited | | 1985 |
| Bond & Co Accountants Limited | Professional & scientific | 2020 |
| Bond & County Ltd | Real estate | 2022 |
| Bond Enterprises Bristol Ltd | Hospitality | 2025 |
| Bond Fabrications Limited | Manufacturing | 2002 |
| Bond Interface Design Ltd | Information & communication | 2014 |
| Bond Morgan Limited | Manufacturing | 2020 |
| Bond Motor Services Limited | Wholesale & retail | 1999 |
| Bond Properties Bristol Ltd | Real estate | 2024 |
| Bond Windows Ltd | Other services | 2019 |
| Bond's Utilities Services Ltd | Water & waste | 2004 |
| Bondprofit Limited | Households | 1981 |
| Bonekka Development Ltd | Real estate | 2021 |
| Bonekka Property Investment Ltd | Real estate | 2013 |
| Boness Veterinary Enterprises Limited | Extraterritorial | 2003 |
| Bonewinters Limited | Professional & scientific | 1997 |
| Boni Main Limited | Real estate | 2018 |
| Bonjour Belle Ltd | Other services | 2015 |
| Bonne Annee Holdings Ltd | Wholesale & retail | 2023 |
| Bonne Fresh Clean Limited | Administrative & support | 2014 |
| Bonne VIE Limited | Wholesale & retail | 2024 |
| Bonnes Properties Ltd | Real estate | 2017 |
| Bonnie & Chase Properties Ltd | Real estate | 2025 |
| Bonnie and Co Ltd | Information & communication | 2014 |
| Bonnie Books Ltd | Professional & scientific | 2020 |
| Bonnie Brae Limited | Hospitality | 2024 |
| Bonnies Cafe Ltd | Hospitality | 2020 |
| Bonsai Properties (Bristol) Ltd | Real estate | 2024 |
| Bonum Omen Limited | Real estate | 2022 |
| Bonzer Education Ltd | Education | 2018 |
| Boobe Housing Limited | Households | 2022 |
| Boogie Bounce Xtreme South Bristol Limited | Arts & recreation | 2016 |
| Boogielands Ltd | Arts & recreation | 2020 |
| Book Island Limited | Information & communication | 2016 |
| BOOK2CLEAN Ltd | Administrative & support | 2017 |
| Booka Cars Company Ltd | Transport & logistics | 2025 |
| Bookbinder House Ltd | Real estate | 2026 |
| Bookcellar Bristol Limited | Wholesale & retail | 2025 |
| Bookhaus Limited | Wholesale & retail | 2025 |
| Bookkeepers Success Ltd | Wholesale & retail | 2025 |
| Bookoob Ltd | Wholesale & retail | 2025 |
| Books From Sarah Limited | Wholesale & retail | 2018 |
| Books in Places Limited | Administrative & support | 2024 |
| Booksmark Ltd | Professional & scientific | 2025 |
| Booksmith Ltd | Professional & scientific | 2022 |
| Boom Recruitment Group Ltd | Real estate | 2016 |
| Boomboard Limited | Information & communication | 2022 |
| Boombot Ltd | Wholesale & retail | 2018 |
| Boomers Limited | Professional & scientific | 2024 |
| Boomsatsuma Education Limited | Administrative & support | 2016 |
| Boomsatsuma Limited | Education | 2025 |
| Boomsatsuma Projects Limited | Education | 2025 |
| Boomsatsuma Specialist Provision Limited | Education | 2025 |
| Boon Cloud Hub Ltd | Information & communication | 2026 |
| Boon Lettings Ltd | Real estate | 2016 |
| Boona Boona Coffee Roasters Limited | Manufacturing | 2019 |
| Boopaper Ltd | Manufacturing | 2024 |
| Booroo Holdings Limited | Financial services | 2012 |
| Boost Limited | Professional & scientific | 2017 |
| Boost Multi Media Limited | Information & communication | 2003 |
| Boost Plumbing Limited | Construction | 2019 |
| Boost Plumbing South West Limited | Construction | 2026 |
| Boostavan Ltd | Wholesale & retail | 2021 |
| Booster Software Ltd | Information & communication | 2026 |
| Boot Lane Ltd | Real estate | 2015 |
| Booth VRT Limited | Health & social care | 2000 |
| Boothe Investments Limited | Real estate | 2013 |
| Bootmove Ltd | Wholesale & retail | 2023 |
| Bootwater Limited | Wholesale & retail | 2013 |
| Booty Bass CIC | Education | 2025 |
| Bootz N Shooz Limited | Wholesale & retail | 2005 |
| Bopack Ltd | Wholesale & retail | 2025 |
| Bopgun Design Limited | Information & communication | 2008 |
| BOR Music Ltd | Information & communication | 2025 |
| Bora Express Delivery Ltd | Administrative & support | 2023 |
| Border Automation Services Limited | Manufacturing | 2003 |
| Border-Clash RUM Limited | Wholesale & retail | 2026 |
| Borderlands (South West) Limited | Hospitality | 2011 |
| Borderline Personality Disorder Collective CIC | Health & social care | 2024 |
| Borders South West Limited | Construction | 2008 |
| Borderstone Properties Ltd | Construction | 2025 |
| Borg (App) Ltd | Information & communication | 2023 |
| Borg Works Ltd | Professional & scientific | 2019 |