| Belo Efeito Property UK Limited | Real estate | 2017 |
| Belo Lash Ltd | Wholesale & retail | 2020 |
| Belonder Ltd | Wholesale & retail | 2025 |
| Belonder Tech Ltd | Information & communication | 2026 |
| BELONG2U Ltd | Wholesale & retail | 2024 |
| Belonged Ltd | Education | 2026 |
| Belonging Homeware Limited | Other services | 2019 |
| Belonging Learning Ltd | Education | 2024 |
| BELOR888 Ltd | Real estate | 2021 |
| Belpropshaw Limited | Real estate | 2021 |
| Belskilegends Ltd | Professional & scientific | 2023 |
| Belsop Cleaning Ltd | Administrative & support | 2023 |
| Beltane College Limited | Education | 2025 |
| Beltane Rising Ltd | Professional & scientific | 2024 |
| Belthorne Ltd | Real estate | 2002 |
| Beltin Bins Ltd | Administrative & support | 2025 |
| Beltline Holdings 2 Ltd | Financial services | 2024 |
| Beltrade Company Ltd | Wholesale & retail | 2025 |
| Belvadere Ltd | Financial services | 2004 |
| Belvale Estates Ltd | Real estate | 2024 |
| Belvedere Composite Decks Limited | Construction | 2022 |
| Belverdale Building Contractors Limited | Construction | 2007 |
| Belverdale Consultancy Limited | Professional & scientific | 2025 |
| Belverdale Homes Limited | Real estate | 2018 |
| Belview Real Estate Limited | Households | 2023 |
| Belvoir MCR Ltd | Hospitality | 2023 |
| Belvoire Care Home Limited | Health & social care | 2005 |
| Belz Care Limited | Health & social care | 2020 |
| Belz Cheider Ltd | Education | 2020 |
| Belz Machnovka (M/C) Ltd | Other services | 2008 |
| BEM BOM Bolo Limited | Wholesale & retail | 2026 |
| BEM Brasil Limited | Hospitality | 2009 |
| BEM Brasil Liverpool Limited | Hospitality | 2010 |
| BEM Brasil Restaurants Limited | Hospitality | 2008 |
| Bema Academy | Education | 2024 |
| Bemacom Ltd | Education | 2020 |
| Bemal Estates Ltd | Real estate | 2022 |
| Bembe Group Ltd | Manufacturing | 2022 |
| Bemi Services Limited | Health & social care | 2023 |
| Bemika Ltd | Extraterritorial | 2023 |
| Bemination Group Ltd | Wholesale & retail | 2025 |
| Bemisal Ltd | Wholesale & retail | 2025 |
| Bemus Construction Services Limited | Construction | 2011 |
| BEN & Zion Limited | Wholesale & retail | 2019 |
| BEN 'N' Jacks Bouncy Castle Company Limited | Administrative & support | 2003 |
| BEN ARI Holdings Ltd | Financial services | 2025 |
| BEN Aris Group Ltd | Administrative & support | 2018 |
| BEN Bell Electrical Limited | Construction | 2025 |
| BEN Benson Services Ltd | Health & social care | 2019 |
| BEN Builders Ltd | Construction | 2023 |
| BEN Carpenter Photography Limited | Professional & scientific | 2018 |
| BEN Chippy & Kabab Ltd | Hospitality | 2022 |
| BEN Chippy MCR Ltd | Hospitality | 2019 |
| BEN David Property Maintenance Limited | Construction | 2002 |
| BEN Edwards Consultancy Ltd | Professional & scientific | 2024 |
| BEN Enterprise Ltd | Other services | 2015 |
| BEN Grace Care Ltd | Health & social care | 2018 |
| BEN Grey Ltd | Health & social care | 2014 |
| BEN HU Ltd | Hospitality | 2013 |
| BEN Johnson Creative Limited | Professional & scientific | 2024 |
| BEN Kabab & Chippy Limited | Hospitality | 2026 |
| BEN LEE Compliance Limited | Professional & scientific | 2017 |
| BEN Levana Trust Limited | Other services | 2022 |
| BEN Nicholas Ltd | Real estate | 2023 |
| BEN Richards Studio Limited | Information & communication | 2024 |
| BEN ROB Estates Ltd | Administrative & support | 2016 |
| BEN Simmons Consulting & Coaching Limited | Professional & scientific | 2008 |
| BEN the Doggydude Ltd | Other services | 2023 |
| BEN Vert Limited | Professional & scientific | 2024 |
| BEN Yates Energy Ltd | Construction | 2026 |
| Ben's Locksmith & Joinery Ltd | Construction | 2009 |
| BEN. M Investments Limited | Real estate | 2012 |
| Bena Cosmetics (UK) Limited | Manufacturing | 2004 |
| Benaa Capital Limited | Financial services | 2025 |
| Benaire Architecture Ltd | Professional & scientific | 2018 |
| Benak Solutions Ltd | Manufacturing | 2017 |
| Benal Ltd | Information & communication | 2015 |
| Benaluca Ltd | Wholesale & retail | 2025 |
| Benamy IT Services Limited | Information & communication | 2008 |
| Benbau Ltd | Real estate | 2023 |
| Benbex Ltd | Real estate | 2024 |
| Benbow Steels Limited | Manufacturing | 2006 |
| Benbox Limited | Wholesale & retail | 2014 |
| Bence Care Ltd | Construction | 2019 |
| Bench Americas IP Holdings Ltd | Financial services | 2024 |
| Bench Fashion Limited | Wholesale & retail | 2021 |
| Benchmark Estimating Limited | Construction | 2007 |
| Benchmark Estimating Software Limited | Information & communication | 2007 |
| Benchmark International Capital Partners Limited | Professional & scientific | 2010 |
| Benchmark International CSS Transactions Limited | Administrative & support | 2018 |
| Benchmark Security Solutions Ltd | Administrative & support | 2006 |
| Benco Management Limited | Real estate | 2020 |
| Bencro Web Services Ltd | Information & communication | 2026 |
| Bendasiuk Ltd | Wholesale & retail | 2025 |
| Bendaxing Co., Ltd | Extraterritorial | 2021 |
| Bendith Solutions Ltd | Health & social care | 2016 |
| Bendon Capital Partner Limited | Professional & scientific | 2011 |
| Beneath the Streets Limited | Professional & scientific | 2016 |
| Benedict Homes | Real estate | 2025 |
| Benedict Irwind Ltd | Wholesale & retail | 2025 |