| Bennetili UK Ltd | Information & communication | 2025 |
| Bennett Brickwork Ltd | Construction | 2019 |
| Bennett Innovations Limited | Information & communication | 2015 |
| Bennieti Limited | Wholesale & retail | 2017 |
| Bennybargains Ltd | Wholesale & retail | 2022 |
| Benray Radio Caroline Media Limited | Information & communication | 1999 |
| Benrich International Limited | Other services | 2012 |
| Bens Gutter Cleaning Peterborough Ltd | Administrative & support | 2026 |
| Bens Gutter Cleaning Tunbridge Wells Ltd | Administrative & support | 2026 |
| Benson Holidays UK Ltd | Administrative & support | 2025 |
| Benthyg Cymru C.I.C. | Water & waste | 2020 |
| Bentley & Rowe (Holdings) Limited | Financial services | 2015 |
| Bentley Clean Group Limited | Construction | 2016 |
| Bentley Family Brand Management Co., Ltd | Wholesale & retail | 2021 |
| Bentley Photo-Litho Company Limited | Extraterritorial | 1939 |
| Bentley Villa Management Company Limited | Hospitality | 2007 |
| Beone Services Ltd | Administrative & support | 2020 |
| BEQ Group Foundation | Information & communication | 2022 |
| Bera Finance Ltd | Financial services | 2023 |
| Beraf Properties Limited | Real estate | 2015 |
| Berat Yilmaz Ltd | Wholesale & retail | 2023 |
| Berceau Ltd | Other services | 2025 |
| Berdelz Ltd | Wholesale & retail | 2024 |
| Berenice Asset Management Ltd | Financial services | 2024 |
| Beresford (Securities) Limited | Real estate | 1978 |
| Berg Films Ltd | Information & communication | 2024 |
| Berganio Limited | Professional & scientific | 2023 |
| Bergeli Tømrertjenester Limited | Extraterritorial | 2025 |
| Bericledj Limited | Professional & scientific | 2015 |
| Beripat Services Ltd | Administrative & support | 2020 |
| Berkan Usluer Ltd | Wholesale & retail | 2025 |
| Berkay Emre Kirikkanat Ltd | Wholesale & retail | 2024 |
| Berkeley Asset Development Limited | Construction | 2025 |
| Berkeley B Limited | Real estate | 2021 |
| Berkeley Brasserie Limited | | 1988 |
| Berkeley Bulldog Financial Services Ltd | Administrative & support | 2025 |
| Berkeley CRT Residents Maintenance Ltd | Households | 2025 |
| Berkeley-Metisse Limited | Real estate | 2022 |
| Berkley Capital Services PVT Ltd | Administrative & support | 2019 |
| Berkley Direct Limited | Wholesale & retail | 2019 |
| Berkley Direct Services Ltd | Administrative & support | 2019 |
| Berkley Property Maintenance Ltd | Professional & scientific | 2019 |
| Berkshire Serviced Apartments Ltd | Administrative & support | 2024 |
| Berlin Bites Ltd | Hospitality | 2024 |
| Berlin Collections Ltd | Wholesale & retail | 2026 |
| Berlin Kontor Verwaltungs Ltd | Administrative & support | 2012 |
| Berllan Finance Limited | Professional & scientific | 2021 |
| Bermas Limited | Real estate | 1953 |
| Bernstein Curtains and Blinds Limited | Wholesale & retail | 2024 |
| Berreri Ltd | Wholesale & retail | 2018 |
| Berriman Developers Limited | Construction | 2021 |
| Berriman Developing Limited | Real estate | 2023 |
| Berriman Developments Limited | Real estate | 2019 |
| Berriman Holdings Limited | Financial services | 2023 |
| Berriman Properties Limited | Real estate | 2023 |
| Berriman Property Developers Limited | Real estate | 2023 |
| Berriman Roofing & Construction Ltd | Construction | 2015 |
| Berriman Roofing Limited | Construction | 2011 |
| Berrington House Limited | Real estate | 1960 |
| Berrly Limited | Professional & scientific | 2026 |
| Berry and Berman Limited | Construction | 2025 |
| Berry Boats Ltd | Transport & logistics | 2021 |
| Berry Brow Stores Limited | Wholesale & retail | 2016 |
| Berry Building Management Wales Limited | Real estate | 2013 |
| Berry Cleaning Solutions Ltd | Other services | 2023 |
| Berry Smith Lawyers Limited | Extraterritorial | 1996 |
| Berrydare Ltd | Transport & logistics | 2019 |
| Bersar Limited | Wholesale & retail | 2025 |
| Berta EV Ltd | Information & communication | 2024 |
| Bertelli & Co Limited | Real estate | 1984 |
| Berthaven Ltd | Wholesale & retail | 2025 |
| Bertramedia Ltd | Professional & scientific | 2015 |
| Bertrams Fashion Limited | Wholesale & retail | 2017 |
| Bertug Medya Ltd | Information & communication | 2025 |
| Berzof Ltd | Wholesale & retail | 2026 |
| Besial Ltd | Other services | 2019 |
| Besocial Subholding Ltd | Construction | 2021 |
| Bespin Hoth Capital Ltd | Financial services | 2026 |
| Bespoke Aura Ltd | Other services | 2025 |
| Bespoke Build Services Limited | Construction | 2017 |
| Bespoke Buy Inc Ltd | Wholesale & retail | 2017 |
| Bespoke Education Solutions and Training Limited | Education | 2014 |
| Bespoke Estate Planning Ltd | Professional & scientific | 2021 |
| Bespoke Gardens Group Ltd | Administrative & support | 2024 |
| Bespoke Glass Products Ltd | Manufacturing | 2023 |
| Bespoke Homeware Emporium Ltd | Wholesale & retail | 2024 |
| Bespoke International Solutions Limited | Information & communication | 2021 |
| Bespoke International Trading Ltd | Wholesale & retail | 2018 |
| Bespoke Land (Southwales) Ltd | Construction | 2017 |
| Bespoke Living Design & Build Limited | Construction | 2017 |
| Bespoke Living Group Ltd | Manufacturing | 2026 |
| Bespoke Management Limited | Wholesale & retail | 2017 |
| Bespoke Portfolio Management Limited | Real estate | 2025 |
| Bespoke Renovations and Constructions Ltd | Construction | 2022 |
| Bespoke Sofa Factory Ltd | Manufacturing | 2020 |
| Bespoke Spray Shop Ltd. | Manufacturing | 2016 |
| Bespoke Tree Surgeons Ltd | Administrative & support | 2019 |
| Bespoke Wines Ltd | Wholesale & retail | 2008 |
| Bespoke-Uk Exhibitions Limited | Manufacturing | 2018 |
| Bespokebuild Investments Ltd | Real estate | 2015 |