| Beijing HE Ltd | Hospitality | 2025 |
| Beijing Supreme 2024 Limited | Hospitality | 2024 |
| Bein Cafe Ltd | Other services | 2018 |
| Being Khalsa Limited | Health & social care | 2021 |
| Bejing Chinese Limited | Hospitality | 2025 |
| Bek's Meat Ltd | Wholesale & retail | 2025 |
| Beki Beauti Ltd | Wholesale & retail | 2019 |
| Belad Hawo Ltd | Transport & logistics | 2017 |
| Belasitz Ltd | Information & communication | 2018 |
| Belavin Limited | Construction | 2025 |
| Beldia Ltd | Wholesale & retail | 2025 |
| Belechys Swift Limited | Construction | 2019 |
| Beleeze Limited | Professional & scientific | 2012 |
| Belfairproperty Ltd | Real estate | 2024 |
| Belfast Alliance LP | | 2014 |
| Belfast City Fitness Ltd | Administrative & support | 2016 |
| Belfield Leisure Limited | Financial services | 2025 |
| Belfield Software Limited | Information & communication | 2002 |
| Belford Contract Refurbishment Limited | Construction | 2002 |
| Belford Housing Limited | Real estate | 2025 |
| Belfry Gardens (Walsall) Limited | Real estate | 2023 |
| Belfry Property Management Ltd | Real estate | 2020 |
| Belfry Support Ltd | Health & social care | 2023 |
| Belgard Management Limited | Arts & recreation | 2010 |
| Belge Convenience Store Ltd | Wholesale & retail | 2014 |
| Belgrave Place (Hamilton) Management Limited | Households | 2005 |
| Belgravia Business Solutions Ltd | Administrative & support | 2022 |
| Belgravia Court (ES) Limited | Real estate | 2022 |
| Belgravia Dermatology Limited | Wholesale & retail | 2017 |
| Belgrovia Properties Ltd | Real estate | 2022 |
| Belhill Limited | Professional & scientific | 2007 |
| Believe and Achieve Sports Limited | Arts & recreation | 2015 |
| Believe in ME Community Interest Company | Professional & scientific | 2014 |
| Bell and DEL Ltd | Health & social care | 2016 |
| Bell Cannock Ltd | Extraterritorial | 2014 |
| Bell Cornwall Associates Limited | Administrative & support | 2004 |
| Bell Place Development Ltd | Construction | 2019 |
| Bell Plumbing Properties Limited | Real estate | 2014 |
| Bell Plumbing Supplies Ltd | Wholesale & retail | 2006 |
| Bell Rock (Holdings) Limited | Professional & scientific | 2007 |
| Bell Rock Hotel (Isles of Scilly) Limited | Hospitality | 2011 |
| Bell Skips Limited | Water & waste | 2002 |
| Bell's Recoveries Ltd | Transport & logistics | 2025 |
| Bella 24 Ltd | Wholesale & retail | 2025 |
| Bella Bulldog 01 Limited | Hospitality | 2024 |
| Bella Cleaning Services Ltd | Administrative & support | 2022 |
| Bella Global Ltd | Wholesale & retail | 2024 |
| Bella Loves Ltd | Manufacturing | 2024 |
| Bella Luna Restaurant Ltd | Hospitality | 2022 |
| Bella Piano Ltd | Education | 2017 |
| Bella Pizza B23 Ltd | Hospitality | 2025 |
| Bella Property Lets Ltd | Real estate | 2025 |
| Bella Restaurant Limited | Hospitality | 2004 |
| Bella Writings Limited | Education | 2019 |
| Bella's Cleaning Ltd | Administrative & support | 2025 |
| Belladee Properties Ltd | Real estate | 2022 |
| Bellagio Cons Ltd | Construction | 2022 |
| Bellagio Dance Studios CIC | Arts & recreation | 2024 |
| Bellaire Consulting Limited | Professional & scientific | 2015 |
| Bellamy and Waterhouse Ltd | Manufacturing | 2020 |
| Bellamy O'Shea Limited | Real estate | 2016 |
| Bellamy Road Store Limited | Wholesale & retail | 2024 |
| Bellasbullionandcoins Ltd | Wholesale & retail | 2026 |
| Bellbird Limited | Manufacturing | 2025 |
| Bellbourn Consulting Limited | Professional & scientific | 2023 |
| Belle & Ariel Company Limited | Real estate | 2025 |
| Belle Anne Ltd | Wholesale & retail | 2024 |
| Belle Lapidi Limited | Other services | 2020 |
| Belle London A&M Ltd | Extraterritorial | 2023 |
| Belle Maisons Properties Limited | Real estate | 2016 |
| Belle MOI Aesthetics Ltd | Health & social care | 2017 |
| Belle VUE Tenants Management Company Limited | Households | 1998 |
| Belleandnaturelle Ltd | Wholesale & retail | 2025 |
| Belleek Mini Market Ltd | Wholesale & retail | 2023 |
| Belleglow Beauty Ltd | Wholesale & retail | 2026 |
| Bellemaisonuk Ltd | Hospitality | 2019 |
| Bellemi Ltd | Financial services | 2017 |
| Belles Fleurs Co Limited | Wholesale & retail | 2019 |
| Belles Maisons Ltd | Real estate | 2025 |
| Bellevue Advisory Limited | Administrative & support | 2024 |
| Bellevue Building Services Ltd | Construction | 2015 |
| Belleway Limited | Real estate | 2001 |
| Belleza Fashion Ltd | Manufacturing | 2019 |
| Bellezza London Limited | Wholesale & retail | 2017 |
| Bellhunt 2 Limited | Real estate | 2009 |
| Bellhunt Limited | Real estate | 1999 |
| Bellis Electrical Services Ltd | Manufacturing | 2014 |
| Belliève Automotive Ltd | Wholesale & retail | 2025 |
| Bellmast Limited | Construction | 2000 |
| Bellray Developments Ltd | Construction | 2024 |
| Bells Building & Plumbing Services Ltd | Construction | 2022 |
| Bells of Erdington (1963) Limited | Transport & logistics | 1987 |
| Bells Property Group Ltd | Real estate | 2022 |
| Bellsrecovery Limited | Wholesale & retail | 2025 |
| Bellstone Services Limited | Extraterritorial | 2015 |
| Bellucci Construction Ltd | Construction | 2025 |
| Bellview (UK) Ltd | Health & social care | 2006 |
| Bellwether Construction Ltd | Construction | 2021 |
| Belmed Developments Ltd | Real estate | 2023 |
| Belmont Facilities Ltd | Wholesale & retail | 2021 |