| BJG Services (Derby) Holdings Ltd | Derby | 2020 |
| Bjgs Holdings Ltd | London | 2018 |
| BJH Contracting Solutions Ltd | Wrexham | 2012 |
| BJH Holdings Ltd | Billericay | 2020 |
| BJJ Holdings Ltd | London | 2022 |
| BJJ Mortgages Limited | Blackpool | 2007 |
| BJK Capital Ltd | Skipton | 2023 |
| BJL (Yorkshire) Limited | Malton | 2012 |
| BJL Group Ventures Limited | London | 2025 |
| BJL Holdings Ltd | Mansfield | 2024 |
| BJL Investments Ltd | Euxton Lane, Chorley | 2025 |
| BJL Pollard Holdings Ltd | St. Austell | 2024 |
| BJL Smith Limited | Coventry | 2021 |
| BJM Group Holding Ltd | London | 2025 |
| BJM Holding Company Limited | Wolverhampton | 2015 |
| Bjmass Ltd | Salisbury | 2020 |
| Bjmcs Holdings Limited | Camberley | 2023 |
| Bjmg Holdings Ltd | Chorley | 2026 |
| BJN Enterprises Limited | Leytonstone | 2023 |
| Bjorn Trading Ltd | Ipswich | 2025 |
| Bjorson Limited | London | 2024 |
| BJP Group Limited | London | 2019 |
| BJP Holdings (SW) Limited | Helston | 2022 |
| BJP Holdings Limited | Leeds | 2005 |
| BJP Insurance Brokers Limited | Leeds | 1997 |
| BJR SAL Synergy Limited | Greenford | 2024 |
| BJS Holdings Limited | Borehamwood | 2017 |
| BJS Optics Ltd | Priorslee | 2021 |
| Bjszj Limited | Eastleigh | 2024 |
| BJV Holdings Ltd | London | 2023 |
| Bjxv Holdings Ltd | Aldermaston | 2025 |
| BK & SON Enterprises Holdings Ltd | Hanwell | 2025 |
| BK 22 Ltd | Stewarton | 2022 |
| BK Assets Limited | West Bromwich | 2025 |
| BK Corporations Ltd | Manchester | 2023 |
| BK Developments Group Limited | Belfast | 2019 |
| BK Futures Ltd | London | 2018 |
| BK Group Ltd | London | 2019 |
| BK Holdings Limited | Preston | 2025 |
| BK Hospitality Group Limited | London | 2026 |
| BK M Generations | Worksop | 2026 |
| BK Mortgages Limited | London | 2025 |
| BK O Generations | Worksop | 2026 |
| BK Primary Care Ltd | Salisbury | 2025 |
| BK Sheild Security Limited | Aylesbury | 2025 |
| BK Star Limited | Aldbrough | 2009 |
| BK1 Distribution Ltd | London | 2023 |
| BKA Group Limited | Altrincham | 2020 |
| Bkal UK Holdings Limited | Walsall | 2025 |
| BKB Holdings Ltd | Poole | 2021 |
| BKB2 Holdings Limited | Mansfield | 2022 |
| Bkbdm Holdings Limited | London | 2024 |
| Bkbdm Property Holdings Limited | London | 2024 |
| Bkbdm Property Limited | London | 2024 |
| BKC Limited | Cheltenham | 2024 |
| Bkce Investments Limited | Belfast | 2018 |
| BKF Tea Limited | Glasgow | 2024 |
| BKG Exchange Ltd | West Midlands, England | 2025 |
| BKG2 Holdings Ltd | Leicester | 2025 |
| BKJ Capital Limited | Somercotes | 2021 |
| BKJ Group Limited | Leicester | 2018 |
| BKJ Holdings Limited | Somercotes | 2017 |
| BKJ Leisure Holdings Limited | Somercotes | 2024 |
| Bkjb Holdings Ltd | Cranbrook | 2024 |
| Bkjs Holdings Ltd | Crawley | 2022 |
| BKK Holdings Ltd | Great Yarmouth | 2022 |
| BKK Markets Ltd | London | 2025 |
| BKL Wealth Management Limited | Finchley | 2013 |
| BKM Holdings & Investments Ltd | Dudley | 2025 |
| Bkmi Ltd | Newcastle Upon Tyne | 2023 |
| BKN Holdings Ltd | Shepton Mallet | 2025 |
| Bknk Holdings Ltd | London | 2026 |
| Bkoop Ltd | London | 2017 |
| BKP Capital Ltd | Bury | 2020 |
| BKR Capital Ltd | London | 2021 |
| BKR Care Limited | Nottingham | 2014 |
| BKS Accounting Services Limited | Yorkshire East | 2004 |
| BKS London Limited | London | 2017 |
| BKS SSB Ltd | Clitheroe | 2022 |
| Bksj Limited | Bolton | 2009 |
| BKT Holdings Ltd | Devon | 2024 |
| Bkuk Devco Limited | London | 2017 |
| Bkuk Group Limited | London | 2017 |
| Bkuk Holdings Limited | London | 2022 |
| BKW Group Limited | Manchester | 2020 |
| BKY Holdings Limited | Sutton Coldfield | 2020 |
| BL Acton Holdco 1 Limited | London | 2025 |
| BL Acton Holdco 2 Limited | London | 2025 |
| BL Advisory & Consulting Limited | Surbiton | 2019 |
| BL Bottling Holdings UK Limited | Uxbridge | 2016 |
| BL Branson Ltd | Portsmouth | 2024 |
| BL Business Management Limited | Yeovil | 2024 |
| BL ELM1 Limited | Gloucester | 2024 |
| BL Finance (NI) Limited | Bangor | 2007 |
| BL Finsbury Square Limited | London | 2021 |
| BL Group NW Ltd | Burnley | 2017 |
| BL Holdco Limited | Ely | 2023 |
| BL International Ltd | Birmingham | 2026 |
| BL Investco Limited | Huntingdon | 2024 |
| BL Investments (Leic) Ltd | Leicester | 2019 |