| Benepal Properties Ltd | Real estate | 2022 |
| Bengenix Fitness Ltd | Manufacturing | 2020 |
| Benjamin Court Management Company (Bournemouth) Limited | Households | 1997 |
| Bennett & Game Holdings Limited | Financial services | 2017 |
| Bennett Pasquazi Translations Ltd | Administrative & support | 2014 |
| Bennetts Kombucha Ltd | Manufacturing | 2021 |
| Bennington-Green Associates Limited | Professional & scientific | 2000 |
| Benson Building Ltd | Construction | 2022 |
| Bentley - Hendon Holdings Limited | Real estate | 1974 |
| Bentley Capital Limited | Financial services | 2025 |
| Bentley Residential Limited | Real estate | 2025 |
| Bento Studios Limited | Information & communication | 2025 |
| Ben’S Wood DEN Ltd | Construction | 2025 |
| Bergman & SON Limited | Construction | 2017 |
| Berkeley Court (Bournemouth) Management Co. Ltd. | Households | 1988 |
| Berkeley House Management (Bournemouth) Limited | Administrative & support | 2002 |
| Berkeley Woods Management Company Limited | Households | 2004 |
| Berkley Manor RTM Company Limited | Households | 2017 |
| Bermet Limited | Wholesale & retail | 2012 |
| Bermuda Court (Highcliffe) Limited | Households | 1986 |
| Bermuda Court Management Limited | Households | 1992 |
| Bermuda Triangle Limited | Hospitality | 2015 |
| Bernie Fountain Ltd | Financial services | 2018 |
| Bernier Tech Ltd | Information & communication | 2018 |
| Bernstein and Gray Ltd | Professional & scientific | 2023 |
| Beron Court Management Limited | Households | 2016 |
| Berry & Co Property Management and Services Limited | Construction | 2023 |
| Berwyn Court (Management) Limited | Households | 1996 |
| Bespoke Care Services East Dorset Ltd | Health & social care | 2020 |
| Bespoke Cars Bournemouth Ltd | Wholesale & retail | 2024 |
| Bespoke Design UK Limited | Manufacturing | 2006 |
| Bespoke Learning Ltd | Education | 2019 |
| Bespoke Stone Memorials Limited | Manufacturing | 2019 |
| Bespoke Wellness Collective Ltd | Hospitality | 2024 |
| Best Caring Limited | Health & social care | 2014 |
| Best Chicken Place Limited | Hospitality | 2020 |
| Best Insulation Limited | Construction | 2022 |
| Best on Market Limited | Wholesale & retail | 2017 |
| Best Practice Chiropractic Limited | Extraterritorial | 2010 |
| Best Recycling Ltd | Water & waste | 2025 |
| BEST-4-CLEANING Limited | Administrative & support | 2003 |
| Bestlinks Recruitment Limited | Administrative & support | 2025 |
| Bestvillas Limited | Administrative & support | 2016 |
| Beta Complex Accounting Ltd | Professional & scientific | 2015 |
| Beta Design Ltd | Arts & recreation | 2019 |
| Bethia Gate (Freehold) Limited | Households | 2009 |
| Betmobile Limited | Extraterritorial | 2009 |
| Beto's UK Ltd | Other services | 2020 |
| Bettell Family Law Ltd | Professional & scientific | 2025 |
| Better Care at Home East Limited | Health & social care | 2019 |
| Better Comms (Voip) Ltd | Information & communication | 2023 |
| Better Craft and Paint Ltd | Hospitality | 2022 |
| Better Health Insurance Advice Ltd | Health & social care | 2013 |
| Better Hold Co Limited | Financial services | 2025 |
| Better Network Services Limited | Information & communication | 2026 |
| Betting Junction Limited | Arts & recreation | 2008 |
| Bevis Accountants Ltd | Professional & scientific | 2000 |
| Bewin Limited | Hospitality | 2024 |
| Bexley Van Hire Ltd | Administrative & support | 2020 |
| Bexon House Management Company Limited | Households | 2023 |
| Bext Holdings Limited | Wholesale & retail | 2023 |
| Beyaz Limited | Real estate | 1991 |
| Beyondwords.Messages Ltd | Information & communication | 2025 |
| Bezzie Ltd | Information & communication | 2016 |
| BGS Consulting Limited | Professional & scientific | 2024 |
| BH Area Hospitality Association | Other services | 2002 |
| BH Boilers Ltd | Construction | 2024 |
| BH Bullyz Ltd | Agriculture & fishing | 2021 |
| BH Carpentary and Fit OUT Ltd | Construction | 2026 |
| BH Chef Limited | Hospitality | 2022 |
| BH Combat Ltd | Arts & recreation | 2026 |
| BH Community DAB Ltd | Information & communication | 2024 |
| BH Developments Southern Ltd | Administrative & support | 2016 |
| BH Family Ltd | Hospitality | 2019 |
| BH Film Festival C.I.C. | Information & communication | 2025 |
| BH Garden Solutions Ltd | Administrative & support | 2012 |
| BH Guttering Ltd | Administrative & support | 2025 |
| BH Handyman & Property Services Ltd | Construction | 2025 |
| BH Homes Bournemouth Ltd | Construction | 2022 |
| BH Investment Solutions Limited | Real estate | 2020 |
| BH Kitchens Limited | Manufacturing | 2013 |
| BH Live | Arts & recreation | 2009 |
| BH Live Enterprises Limited | Hospitality | 2010 |
| BH Living 24/7 Ltd | Construction | 2023 |
| BH Movies Ltd | Information & communication | 2023 |
| BH Podcast & Streaming Studio Ltd | Information & communication | 2025 |
| BH Pro Cutz Limited | Other services | 2024 |
| BH Proclean Ltd | Administrative & support | 2024 |
| BH Recruitment Services Limited | Administrative & support | 2024 |
| BH Renewables Ltd | Construction | 2022 |
| BH Rented Homes Ltd | Real estate | 2018 |
| BH Scenes Ltd | Professional & scientific | 2023 |
| BH Space Limited | Hospitality | 2023 |
| BH Tastebuds Ltd | Hospitality | 2026 |
| BH Youth Mentoring Ltd | Education | 2026 |
| BH1 Airport Cars Limited | Transport & logistics | 2019 |
| BH1 Bournemouth Limited | Wholesale & retail | 2026 |
| BH1 Promotions Limited | Wholesale & retail | 2006 |
| BH13 Ltd | Extraterritorial | 2013 |
| BH2 Club Ltd | Hospitality | 2024 |