| BEE 3 Developments Limited | Real estate | 2016 |
| BEE AV Group Ltd | Other services | 2023 |
| BEE Body Well Limited | Other services | 2017 |
| BEE Brilliance Co. Ltd | Administrative & support | 2025 |
| BEE Compared Ltd | Administrative & support | 2022 |
| BEE Sounds AV Limited | Professional & scientific | 2017 |
| BEE Sounds Property Group Ltd | Real estate | 2023 |
| BEE Thai Restaurant Ltd | Hospitality | 2025 |
| Bee's Caring Services Ltd | Health & social care | 2022 |
| Beebazar Ltd | Wholesale & retail | 2024 |
| Beech Tree Homes Limited | Health & social care | 2020 |
| BEEE2BEES Ltd | Wholesale & retail | 2025 |
| Beehive & Brookland Ltd | Health & social care | 2010 |
| Beehive Education Limited | Education | 2013 |
| Beehive Estates Ltd | Real estate | 2017 |
| Beehive LDN Ltd | Information & communication | 2024 |
| Beehive Medical Solutions Limited | Health & social care | 2023 |
| Beehive Solutions Limited | Health & social care | 2007 |
| Beelogistics Ltd | Transport & logistics | 2022 |
| Beenat Transport Ltd | Transport & logistics | 2025 |
| Bees Barfi Ltd | Manufacturing | 2020 |
| Bees Treats Ltd | Hospitality | 2025 |
| Beeswax London Ltd | Other services | 2021 |
| Beeya's Events Ltd | Administrative & support | 2024 |
| Befresh Limited | Hospitality | 2017 |
| Beghal's Investments (UK) Limited | Real estate | 2024 |
| Behive Motors Ltd | Wholesale & retail | 2023 |
| Behlool & Balaaj Builders Limited | Construction | 2024 |
| BEI Construction Ltd | Construction | 2022 |
| Beiant Capital Group Ltd | Real estate | 2023 |
| Beigel Bunnies Ltd | Hospitality | 2017 |
| Beinfluenced.Online Limited | Wholesale & retail | 2020 |
| Being Pharma Ltd | Professional & scientific | 2019 |
| Being Push Ltd | Wholesale & retail | 2024 |
| Beka FIX Ltd | Construction | 2018 |
| Beke College C.I.C. | Education | 2019 |
| Belag Properties Ltd | Real estate | 2020 |
| Belazem Ltd | Professional & scientific | 2018 |
| Belbangla UK Ltd | Real estate | 2021 |
| Beldec Business Enterprises Ltd | Professional & scientific | 2025 |
| Belgrave Electrics Ltd | Construction | 2025 |
| Belgrave Energy Ltd | Construction | 2019 |
| Belgrave Motor Services Limited | Wholesale & retail | 2015 |
| Belgrave Premium DRY Cleaners Limited | Other services | 2021 |
| Belgrave Properties (International) Limited | Construction | 2005 |
| Belgrave Properties (London) Limited | Real estate | 2018 |
| Belgrave Properties Management Ltd | Extraterritorial | 2016 |
| Belgrave UK Properties Ltd | Real estate | 2011 |
| Belgravia Construction (Essex) Limited | Construction | 2017 |
| Belgravia Fire Group Ltd | Professional & scientific | 2025 |
| Belgravia Investment Management Ltd | Real estate | 2026 |
| Belgravia National Limited | Other services | 2024 |
| Belgravia Property Ltd | Real estate | 2016 |
| Belibou Ltd | Construction | 2016 |
| Believer Bees Ltd | Wholesale & retail | 2025 |
| BELINDA62 Limited | Real estate | 2017 |
| Belistech Ltd | Information & communication | 2018 |
| Bell & Co Property Ltd | Real estate | 2019 |
| Bell Capital Trading Ltd | Professional & scientific | 2021 |
| Bell Green Limited | Real estate | 2015 |
| Bell Homes Limited | Real estate | 2011 |
| Bell ICT Limited | Administrative & support | 2010 |
| Bella Boutique London Ltd | Wholesale & retail | 2024 |
| Bella Goodmayes Ltd | Professional & scientific | 2020 |
| Bella HQ Limited | Extraterritorial | 2012 |
| Bella MAI Essex Ltd | Other services | 2019 |
| Bella's Coffee Bar Ltd | Hospitality | 2022 |
| Bella's Lounge Ltd | Hospitality | 2026 |
| Belle Aramano Ltd | Wholesale & retail | 2022 |
| Belle Bonito Limited | Hospitality | 2024 |
| Bellfarm Construction Ltd | Construction | 2023 |
| Bellfield Property Investment Limited | Real estate | 2006 |
| Bellflower Homes Limited | Real estate | 2019 |
| Bellisimo Ltd | Wholesale & retail | 2025 |
| Bellubeauty Limited | Wholesale & retail | 2025 |
| Bellview Property Investments Limited | Real estate | 2022 |
| Belmont & Usher Group Ltd | Financial services | 2024 |
| Belmont Residential Care Ltd | Health & social care | 2020 |
| Beloved's Cucina Ltd | Hospitality | 2024 |
| Belsize Events Ltd | Other services | 2024 |
| Belux Interiors Ltd | Administrative & support | 2025 |
| Belvoir Automotive Group Limited | Wholesale & retail | 2025 |
| Bemaverick Physiotherapy Ltd | Health & social care | 2025 |
| BEN & Paul Bakers Ltd | Wholesale & retail | 2025 |
| BEN Harlow Ltd | Professional & scientific | 2022 |
| BEN Plumbing and Electric Ltd | Construction | 2023 |
| Ben's Design & Construction Ltd | Construction | 2015 |
| Benacst Direct Limited | Wholesale & retail | 2019 |
| Benaloch Limited | Administrative & support | 2012 |
| Bence Cars Limited | Manufacturing | 2025 |
| Benchmark Consultancy Ltd | Professional & scientific | 2025 |
| Benesun Technologies Limited | Information & communication | 2015 |
| Benevorce Incorporation Limited | Administrative & support | 2023 |
| BENFLOXY4EVER Limited | Transport & logistics | 2015 |
| Bengal Centre UK | Administrative & support | 2018 |
| Bengal Tiger Consultancy Ltd | Information & communication | 2014 |
| Beni Bear Ltd | Wholesale & retail | 2017 |
| Beni Thermal Ltd | Construction | 2026 |
| Benicraft Property Investments Limited | Administrative & support | 2014 |
| Benigna Healthcare Ltd | Health & social care | 2021 |