| Beji Ltd | London | 2021 |
| Bejun Holdings Ltd | London | 2026 |
| BEK Investments Hull Limited | Hull | 2020 |
| BEK Investments Limited | Basildon | 2018 |
| BEK3 Holdings Ltd | Darwen | 2025 |
| Beka Holdings Ltd | Letchworth Garden City | 2026 |
| Beka Hospitec Management Topco Limited | Cheltenham | 2021 |
| Beka Property Finance Limited | Wirral | 2023 |
| Bekai Ltd | Sutton | 2019 |
| Bekan Holdings Limited | Chesham | 2018 |
| Beko Advisory Ltd | London | 2018 |
| Bekson Ltd | Doncaster | 2021 |
| BEL Air Group Limited | Bolton | 2020 |
| BEL Developments Limited | Stockport | 2024 |
| BEL Group Investments Limited | Newcastle Upon Tyne | 1937 |
| BEL Ombre Holdings Limited | Bury St. Edmunds | 2022 |
| BEL Sogno Estate Ltd | London | 2021 |
| BEL4 Bidco Limited | London | 2024 |
| BEL4 Limited | London | 2024 |
| Bela Electronic Designs Holdings Limited | Bedford | 2021 |
| Belabela Ltd | London | 2025 |
| Belaccrue Ltd | Truro | 2026 |
| Belair Capital Ltd | London | 2020 |
| Belair Group Holdings Limited | Bradford | 2025 |
| BELAIRE22 Ltd | Bournemouth | 2026 |
| Belasco Holdings Limited | Swansea | 2025 |
| Belasica Ltd | Northampton | 2025 |
| Belasyse Capital Limited | Rickmansworth | 2022 |
| Belaugh 2016 Limited | London | 2015 |
| Belbroughton Doctors Limited | Wolverhampton | 2025 |
| Belbury Financial Planning Limited | Reading | 2009 |
| Belcarra Group Limited | Kidlington | 2023 |
| Belcroft Partners Ltd | London | 2025 |
| BELCROFT24 Ltd | Wilmslow | 2025 |
| Belda Holdings Ltd | Brentwood | 2023 |
| Beldie Ltd | London | 2020 |
| Beleco Group Ltd | Mildenhall | 2022 |
| Belerion Capital Group Ltd | Milton Park | 2018 |
| Belerion Holdings Limited | Milton Park | 2020 |
| Belerion Investments Limited | London | 2025 |
| Belevi Group Ltd | London | 2022 |
| Belfast Commercial Funding (CH1) Limited | Belfast | 2022 |
| Belfast Commercial Funding (CL1) Limited | Belfast | 2021 |
| Belfast Commercial Funding (CM1) Limited | Belfast | 2021 |
| Belfast Commercial Funding (DUN) Limited | Belfast | 2022 |
| Belfast Commercial Funding (ESS1) Limited | Belfast | 2022 |
| Belfast Commercial Funding (FS1) Limited | Belfast | 2021 |
| Belfast Commercial Funding (HR1) Limited | Belfast | 2022 |
| Belfast Commercial Funding (I) Limited | London | 2022 |
| Belfast Commercial Funding (II) Limited | Belfast | 2023 |
| Belfast Commercial Funding (III) Limited | Belfast | 2024 |
| Belfast Commercial Funding (IV) Limited | Belfast | 2025 |
| Belfast Commercial Funding (LR2) Limited | Belfast | 2022 |
| Belfast Commercial Funding (MO1) Limited | Belfast | 2022 |
| Belfast Commercial Funding (O) Limited | Belfast | 2022 |
| Belfast Commercial Funding (RM1) Limited | Belfast | 2022 |
| Belfast Commercial Funding (RP) Limited | Belfast | 2021 |
| Belfast Commercial Funding (V) Limited | Belfast | 2025 |
| Belfast Commercial Funding (VI) Limited | Belfast | 2026 |
| Belfast Commercial Funding Limited | Belfast | 2021 |
| Belfast Harbour Pension Fund Limited | Belfast | 1964 |
| Belfast Holdco Limited | London | 2026 |
| Belfast Holdings Limited | Ballymena | 2022 |
| Belfield Leisure Limited | Birmingham | 2025 |
| Belford Holdings Limited | Southampton | 2015 |
| Belford Investments 2014 | Leeds | 2015 |
| Belford JLB Projects | Leeds | 2021 |
| Belforth Group Ltd | London | 2025 |
| Belfry Holdings Ltd | Melton Mowbray | 2023 |
| Belfry Midco Limited | London | 2024 |
| Belfry Topco Limited | London | 2024 |
| Belfurt Limited | Thame | 2015 |
| Belgarum Technology Holdings Limited | Oxford | 2017 |
| Belgatrix Limited | London | 2025 |
| Belgen Limited | Cheadle | 2023 |
| Belgoscot Consultancy Services Ltd. | Edinburgh | 1999 |
| Belgra Capital Limited | London | 2023 |
| Belgrave Asset Management Ltd | Bath | 2000 |
| Belgrave Bath Holdings Ltd | Bath | 2024 |
| Belgrave Capital Management Limited | London | 1995 |
| Belgrave Circle Holdings Limited | Leicester | 2023 |
| Belgrave Finance Limited | London | 2026 |
| Belgrave Holding Company Limited | Enniskillen | 2016 |
| Belgrave Holdings Management Ltd | Loughton | 2026 |
| Belgrave Life & Pensions Ltd | Bath | 2000 |
| Belgrave Park Limited | Halifax | 2021 |
| Belgrave Pendleton Ltd | London | 2025 |
| Belgrave Square Holdings UK Limited | Surrey | 2018 |
| Belgrave Underwriting Limited | London | 2000 |
| Belgrave Wincham Limited | Wrexham | 2019 |
| Belgravebridge Limited | Redhill | 1978 |
| Belgravia 29 Investments Ltd | Hereford | 2025 |
| Belgravia Associates International Limited | London | 2017 |
| Belgravia Capital Group Limited | London | 2024 |
| Belgravia Capital International Limited | London | 2017 |
| Belgravia Capital Investments Ltd | London | 2023 |
| Belgravia Capital Partners Limited | London | 2000 |
| Belgravia CG Limited | London | 2015 |
| Belgravia Chase Estates Limited | Hitchin | 2025 |
| Belgravia Commercial Finance Limited | London | 2008 |