| BEAN2COFFEE Ltd | Hospitality | 2015 |
| Bear.Andpud Ltd | Wholesale & retail | 2024 |
| Bearhat Marketing Limited | Professional & scientific | 2024 |
| Beast Capital Ltd | Financial services | 2021 |
| Beastsheds Limited | Manufacturing | 2018 |
| Beatrootsuk Ltd | Other services | 2017 |
| Beau Rose Property Ltd | Real estate | 2025 |
| Beauchamp Court (Warwick) Management Limited | Households | 2004 |
| Beaudesert Apartments Limited | Real estate | 1995 |
| Beauford 7 Ltd | Real estate | 2025 |
| Beaufort (Edgbaston) Management Company Limited | Households | 2021 |
| Beaufoy Management Company Limited | Households | 2020 |
| Beaumont Enterprises (Bham) Ltd | Financial services | 2026 |
| Beaumont Hospitality and Events Limited | Administrative & support | 2018 |
| Beaumont Properties SW Ltd | Real estate | 2026 |
| Beautiful Brides and Beyond Ltd | Wholesale & retail | 2019 |
| Beautiful Transformations Limited | Other services | 2003 |
| Beautify World Ltd | Wholesale & retail | 2018 |
| Beautique Studio Limited | Other services | 2019 |
| Beauty & Co (Solihull) Limited | Other services | 2014 |
| Beauty by Ellie Ltd | Other services | 2026 |
| Beauty by Ellie Solihull Ltd | Other services | 2019 |
| Beauty by Ellie Training Academy Ltd | Education | 2022 |
| Beauty Inbox Ltd | Other services | 2021 |
| Beauty of India Ltd | Professional & scientific | 2004 |
| Beauty Residential Ltd | Real estate | 2022 |
| Beautybyells Ltd | Other services | 2022 |
| Beck Roofing & Building Ltd | Construction | 2022 |
| Becko Ltd | Professional & scientific | 2022 |
| BED Zone Ltd | Manufacturing | 2024 |
| Bedalicious Limited | Wholesale & retail | 2016 |
| Bedding Bank Ltd | Wholesale & retail | 2012 |
| Bedford Road (Houghton Regis) Limited | Construction | 2020 |
| Bedhop Leisure Limited | Hospitality | 2023 |
| Bee-Line Accounts Services Ltd | Professional & scientific | 2014 |
| Bee-Line Formations Ltd | Administrative & support | 2021 |
| Beechmile Properties Ltd | Real estate | 2000 |
| Beechwood Investment Properties Limited | Real estate | 2025 |
| Beewholey Limited | Manufacturing | 2025 |
| Being Studio Ltd | Professional & scientific | 2025 |
| BEK Developments Ltd | Construction | 2020 |
| Belcroft Consultancy Ltd | Other services | 2022 |
| Belgray Building Ltd | Construction | 2023 |
| Belgray Investment Ltd | Financial services | 2023 |
| Belgray Services Ltd | Health & social care | 2023 |
| Bell Farm (Harrietsham) Management Company Limited | Real estate | 2016 |
| Bella Venezia Dining Limited | Hospitality | 2014 |
| Bella Venezia Ristorante Limited | Hospitality | 2020 |
| Belle Femme Aesthetics Limited | Other services | 2017 |
| Belle Femme Training Academy Ltd | Education | 2023 |
| Belle Homes Limited | Construction | 1998 |
| Bellfern Limited | Hospitality | 2023 |
| Bellissimo Colourists Ltd | Other services | 2021 |
| Belliver Plymouth LLP | | 2007 |
| Bellmain Ltd | Real estate | 2021 |
| Bellus Property Management Ltd | Real estate | 2023 |
| Bellwinch Homes (Western) Limited | Construction | 1988 |
| Bellwinch Homes Limited | Extraterritorial | 1958 |
| Bellwinch Limited | Extraterritorial | 1985 |
| Belmont Development Properties Limited | Administrative & support | 2017 |
| Belushi Property Limited | Construction | 2017 |
| Belushi Trading Limited | Wholesale & retail | 2017 |
| Bemf Ltd | Real estate | 2019 |
| BEN the P.C. Doctor Limited | Wholesale & retail | 2003 |
| BEN Weavers C.A.D. Limited | Other services | 2007 |
| Ben's Places Limited | Real estate | 2017 |
| Benjamin Ryan Hair Limited | Other services | 2022 |
| Benmar Solutions Ltd | Professional & scientific | 2006 |
| Bennett Bennett & Bennett Limited | Information & communication | 2022 |
| Bennett IT Consulting Limited | Professional & scientific | 2015 |
| Benny Cleaning Limited | Administrative & support | 2025 |
| Bentley Heath Barber Co. Ltd | Other services | 2019 |
| Bentley Kitchen & Bathrooms Ltd | Wholesale & retail | 2022 |
| Benton Executive Services Limited | Professional & scientific | 2009 |
| Beorma Community Housing Ltd | Real estate | 2025 |
| Beorma Investments Limited | Financial services | 2022 |
| Bergen Pipe Supports Group Limited | Professional & scientific | 1971 |
| Bergen Pipe Supports Limited | Manufacturing | 1968 |
| Berkeley Family Wealth Asset Management Limited | Extraterritorial | 2016 |
| Berkeley Restructuring and Corporate Finance Limited | Administrative & support | 2022 |
| Berkswell Food Limited | Wholesale & retail | 2026 |
| Berkswell Hall Management Company Limited | Households | 1985 |
| Bermondsey PUB Company Limited | Real estate | 2014 |
| Berriesbyhenna Ltd | Hospitality | 2024 |
| Berrow Consultancy Limited | Professional & scientific | 2021 |
| Berry Safety Systems Limited. | Manufacturing | 1994 |
| Berrygreen Properties Ltd | Real estate | 2025 |
| Bersham (Glenside) Ltd | Water & waste | 2006 |
| Berted Limited | Real estate | 2007 |
| Besford Designs Limited | Professional & scientific | 2026 |
| Bespoke Advisory Properties Ltd | Real estate | 2024 |
| Bespoke Advisory Services Limited | Financial services | 2015 |
| Bespoke Aluminium Designs Ltd | Other services | 2008 |
| Bespoke Brickwork Ltd | Construction | 2018 |
| Bespoke Brows Ltd | Other services | 2016 |
| Bespoke Electrical Install Ltd | Construction | 2020 |
| Bespoke Medisol Ltd | Information & communication | 2019 |
| Bespoke Privacy Blinds Ltd | Other services | 2025 |
| Bespoke Transfers Limited | Transport & logistics | 2018 |
| Best Air Limited | Professional & scientific | 2012 |