| BEE in Home Ltd | Real estate | 2024 |
| BEE Kind, Billie Ltd | Arts & recreation | 2020 |
| BEE Partners Limited | Extraterritorial | 2025 |
| Beeaar Hospitality Limited | Information & communication | 2025 |
| Beech Coaching Services Ltd | Education | 2023 |
| Beech House Trading Limited | Professional & scientific | 2005 |
| Beech Road Flats Management Company Limited | Households | 2020 |
| Beechtree Park Limited | Hospitality | 2024 |
| Beechwood Prestige Ltd | Wholesale & retail | 2025 |
| Beeda Developments Limited | Construction | 2025 |
| Beejay Interpreting Ltd | Professional & scientific | 2023 |
| Beeline Couriers Limited | Transport & logistics | 2024 |
| Beep App Limited | Information & communication | 2025 |
| Beep Beep Transport Ltd | Transport & logistics | 2021 |
| Beeson Bookkeeping Service Limited | Professional & scientific | 2002 |
| Beetroot UK (SWF) Ltd | Agriculture & fishing | 2015 |
| Beevers Design Ltd | Professional & scientific | 2025 |
| Beezy.Uk INT Ltd | Wholesale & retail | 2019 |
| Bejeweluxe Ltd | Wholesale & retail | 2024 |
| Bekas Transport Ltd | Transport & logistics | 2017 |
| Bekson Construction Ltd | Construction | 2021 |
| Bekson Ltd | Financial services | 2021 |
| Bekson Property Ltd | Construction | 2022 |
| Belavy TVS Limited | Wholesale & retail | 2025 |
| Belcy Homes Ltd | Real estate | 2025 |
| Beldon Electrical Ltd | Construction | 2014 |
| Belfort Investments Ltd | Construction | 2020 |
| Belgat Construction Ltd | Construction | 2021 |
| Belgrave Court Gardens Limited | Households | 1993 |
| Belgravia Energy Services Limited | Construction | 2023 |
| Belgravia Property Developments Limited | Construction | 2023 |
| Belgravia Property Services Holdings Ltd | Financial services | 2023 |
| Belgray Properties Limited | Real estate | 2002 |
| Believe Advisor Limited | Financial services | 2019 |
| Believe Fitness - Stronger Together CIC | Arts & recreation | 2025 |
| Believe Fitness Body Coach Ltd | Other services | 2026 |
| Believe Loans Limited | Financial services | 2017 |
| Believe Money Group Limited | Professional & scientific | 2017 |
| Believe Protect Limited | Financial services | 2022 |
| Believe Specialist Finance Limited | Financial services | 2022 |
| Bell Brothers Property Limited | Real estate | 2019 |
| Bell Developments (Doncaster) Limited | Construction | 2023 |
| Bell Electrical Limited | Construction | 2000 |
| Bell Green Farm Ltd | Agriculture & fishing | 2023 |
| Bell Inspection Ltd | Professional & scientific | 2024 |
| Bell Marketing Ltd | Other services | 2024 |
| Bell Plumbing & Heating (Doncaster) Limited | Construction | 2010 |
| Bell Properties (Doncaster) Limited | Real estate | 2008 |
| Bell Raff Limited | Administrative & support | 2025 |
| Bella Rail Limited | Construction | 2019 |
| Bella Retford Limited | Hospitality | 2026 |
| Bella UK Management Limited | Real estate | 2025 |
| Bella's Butties Ltd | Hospitality | 2021 |
| Belladanielaarecruitment Limited | Administrative & support | 2025 |
| Bellavita Pizza Ltd | Hospitality | 2026 |
| Belle Maison Commercial Ltd | Financial services | 2022 |
| Belle Maison Estates Ltd | Real estate | 2025 |
| Belle Maison Mortgage Solutions Ltd | Financial services | 2021 |
| Belle VUE Trucks Limited | Wholesale & retail | 2005 |
| Belles & Bows Bridal Ltd | Wholesale & retail | 2020 |
| Bellevue International Limited | Professional & scientific | 2015 |
| Bellfield Commercial Property Limited | Real estate | 2025 |
| Bellfield Consultancy Ltd | Professional & scientific | 2024 |
| Bellfield Property and Development Ltd | Construction | 2016 |
| Bellpaul Ltd | Professional & scientific | 2014 |
| Belmac Developments Ltd | Construction | 2022 |
| Belmont Garage Services Ltd | Wholesale & retail | 2018 |
| Belsfield Properties Ltd | Real estate | 2020 |
| Belsham Street Freehold Limited | Households | 2010 |
| Belton Barrow Race CIC | Arts & recreation | 2026 |
| Belton Falconry Limited | Agriculture & fishing | 2015 |
| BEN Bower Consulting Limited | Extraterritorial | 2019 |
| BEN Fisher Holdings Ltd | Financial services | 2025 |
| BEN Food Ltd | Hospitality | 2024 |
| BEN Kirton Limited | Health & social care | 2023 |
| BEN Logistic Limited | Transport & logistics | 2019 |
| BEN Lord Fine Jewellery Limited | Wholesale & retail | 2024 |
| BEN M Smith Limited | Other services | 2019 |
| BEN Rivers Ltd | Arts & recreation | 2012 |
| BEN Trading Limited | Wholesale & retail | 2007 |
| Ben's Business Ltd | Administrative & support | 2025 |
| Benakova Bakes Limited | Wholesale & retail | 2025 |
| Benakova Blooms Limited | Wholesale & retail | 2025 |
| Benakova Cookies Limited | Wholesale & retail | 2025 |
| Benell Capital Investments Ltd | Real estate | 2025 |
| Benell Limited | Real estate | 2009 |
| Benestan Care Ltd | Health & social care | 2026 |
| Benga Transport Ltd | Wholesale & retail | 2024 |
| Benham Investments Ltd | Real estate | 2024 |
| Benimedia UK Ltd | Professional & scientific | 2017 |
| Benjamin Martin's Music Ltd | Arts & recreation | 2024 |
| Benji Holdings Ltd | Real estate | 2017 |
| Benjo Healthcare Limited | Public administration | 2024 |
| Benjoy Enterprise Limited | Wholesale & retail | 2025 |
| Benmargotrev Ltd | Information & communication | 2025 |
| Bennett's Conveyor Solutions Ltd | Manufacturing | 2013 |
| Bennfield House Limited | Health & social care | 2011 |
| Bennie Property Ltd | Real estate | 2020 |
| Benson's Property Management Limited | Real estate | 2019 |
| Benster TM Limited | Construction | 2018 |