| Basis Developments Limited | Real estate | 2005 |
| Basis Group Limited | Real estate | 2005 |
| Basis Investments Limited | Real estate | 2005 |
| Basis Projects Limited | Real estate | 2005 |
| Basketball Sports Ventures (UK) Limited Partnership | | 2005 |
| Bathshoponline Limited | Wholesale & retail | 1999 |
| Battle Foam Limited | Wholesale & retail | 2010 |
| Baxmed Limited | Health & social care | 2023 |
| Baxter Anaesthetics Limited | Health & social care | 2023 |
| Baytree Construction Limited | Construction | 2020 |
| Baytree Reserve Holding Co Limited | Financial services | 2025 |
| BB 2 Service Ltd | Construction | 2016 |
| Bddj Properties Limited | Real estate | 2024 |
| BE Certified Limited | Information & communication | 2024 |
| BE OUR Guest Property Management Limited | Real estate | 2025 |
| Beacons Civil Engineers Ltd | Construction | 2005 |
| Bear Moves Ltd | Transport & logistics | 2019 |
| Beautiful of Wilmslow Ltd | Other services | 2012 |
| Beauty Fill Marketing Ltd | Professional & scientific | 2024 |
| Beauty Haus 35 Limited | Other services | 2025 |
| Beauty House Academy Cheshire Ltd | Education | 2025 |
| Bebul Limited | Health & social care | 2024 |
| Bech Group Limited | Wholesale & retail | 2024 |
| Becketts Wealth Limited | Financial services | 2022 |
| Bedore Limited | Wholesale & retail | 2026 |
| BEE Drive Ltd | Education | 2026 |
| Beech Oak Construction Ltd | Construction | 2024 |
| Beech Tree Execs IV Limited | Financial services | 2025 |
| Beech Tree General Partner II LLP | | 2016 |
| Beech Tree General Partner III LLP | | 2020 |
| Beech Tree General Partner IV LLP | | 2023 |
| Beech Tree General Partner V LLP | | 2026 |
| Beech Tree GP II Limited | Financial services | 2016 |
| Beech Tree GP III Limited | Financial services | 2020 |
| Beech Tree IV GP I Limited | Financial services | 2023 |
| Beech Tree PE Holdco Limited | Financial services | 2016 |
| Beech Tree PE LLP | | 2015 |
| Beech Tree Private Equity Partners Co-Investment I, L.P. | | 2021 |
| Beech Tree Private Equity Partners II, L.P. | | 2016 |
| Beech Tree Private Equity Partners III, LP | | 2020 |
| Beech Tree Private Equity Partners IV 1.1, L.P. | | 2025 |
| Beech Tree Private Equity Partners IV, L.P. | | 2023 |
| Beech Tree Private Equity Partners V, L.P. | | 2026 |
| Beech Tree Private Equity Partners, L.P. | | 2015 |
| Bees Partnership Limited | Health & social care | 2019 |
| Begin the Party Limited | Other services | 2019 |
| Behind the Brand Academy Limited | Education | 2024 |
| Behind the Wall Ltd | Real estate | 2021 |
| BELCROFT24 Ltd | Financial services | 2025 |
| Belfre Limited | Other services | 2017 |
| Bellhaven Associates Limited | Other services | 2013 |
| Belluccis Restaurant Ltd | Hospitality | 2019 |
| Belmont Living Limited | Real estate | 2009 |
| Belmorpheus Ltd | Health & social care | 2021 |
| Belton Manufacturing Services Ltd | Manufacturing | 2024 |
| Beltops Ltd | Real estate | 2022 |
| BEN Richards Limited | Information & communication | 2014 |
| BEN the Beekeeper Limited | Agriculture & fishing | 2025 |
| Benamore Food Technical Services Limited | Professional & scientific | 2022 |
| Benchill MC Ltd | Health & social care | 2017 |
| Beneficial Bridging Ltd | Financial services | 2022 |
| Beneficial Estates (10 Broadway) Ltd | Real estate | 2021 |
| Beneficial Estates (Bolton) Ltd | Real estate | 2018 |
| Beneficial Estates (Cheadle Hulme) Ltd | Real estate | 2019 |
| Beneficial Estates (DH) Limited | Real estate | 2024 |
| Beneficial Estates (Didsbury) Ltd | Real estate | 2019 |
| Beneficial Estates (Egerton) Ltd | Real estate | 2020 |
| Beneficial Estates (Handforth) Ltd | Real estate | 2021 |
| Beneficial Estates (Parkway) Ltd | Real estate | 2026 |
| Beneficial Estates (ST Ives) Ltd | Real estate | 2021 |
| Beneficial Estates (ST Mawes) Ltd | Real estate | 2021 |
| Beneficial Estates (Styal) Ltd | Real estate | 2025 |
| Beneficial Estates (the Tower) Ltd | Real estate | 2022 |
| Beneficial Estates (Wilmslow) Ltd | Real estate | 2017 |
| Beneficial Estates Group Ltd | Real estate | 2021 |
| Beneficial Holdings Ltd | Financial services | 2024 |
| Beneficial Ltd | Financial services | 2015 |
| Bennett Expert Reports Limited | Health & social care | 2018 |
| Benson Bunch Ltd | Real estate | 2012 |
| Benson Medical Limited | Health & social care | 2019 |
| Bentistuk Limited | Health & social care | 2023 |
| Berkore Ltd | Administrative & support | 2019 |
| Berrys Wilmslow Ltd | Wholesale & retail | 2026 |
| Bert & Bert Ltd | Other services | 2014 |
| Bespoke Cheshire Smiles Ltd | Health & social care | 2023 |
| Bespoke Frameless Glass Ltd | Manufacturing | 2012 |
| Bespoke Print Finishing Ltd | Manufacturing | 2018 |
| Best of YOU Clinic Limited | Health & social care | 2023 |
| Best Portable Cabins Ltd | Construction | 2023 |
| Betabite Hydraulics Limited | Extraterritorial | 2015 |
| Beveo Limited | Health & social care | 2021 |
| Beverley Park Nursing Home Limited | Administrative & support | 2003 |
| BEX Cleaning Services Limited | Other services | 2007 |
| Beyond Hospitality Group Holdings Ltd | Professional & scientific | 2023 |
| Beyond Hospitality Group Ltd | Wholesale & retail | 2023 |
| BF UK Consultancy Limited | Professional & scientific | 2020 |
| BGS Investment Holdings Limited | Financial services | 2025 |
| BH Injury and Rehabilitation Services Ltd | Health & social care | 2017 |
| Bhalaik Medical Limited | Health & social care | 2018 |
| Bifegs Holdings Ltd | Financial services | 2025 |