| BCL Legal Limited | Administrative & support | 2003 |
| BCL Legal London Volume Services Limited | Administrative & support | 2013 |
| BCL Moving Limited | Transport & logistics | 2008 |
| BCL Realisations 2026 Limited | Wholesale & retail | 1978 |
| Bclear Ltd | Administrative & support | 2022 |
| BCM Solutions Ltd | Construction | 2025 |
| BCM Travel Ltd | Transport & logistics | 2023 |
| Bcmsg Ltd | Wholesale & retail | 2025 |
| BCN Bidco Limited | Information & communication | 2018 |
| BCN Constructions Ltd | Construction | 2026 |
| BCN Group (Bradford) Limited | Information & communication | 2021 |
| BCN Group (Leeds) Ltd | Information & communication | 2007 |
| BCN Group (Runcorn) Ltd | Information & communication | 2000 |
| BCN Group Hosting Limited | Information & communication | 1991 |
| BCN Group Ltd. | Information & communication | 2009 |
| BCN Midco Limited | Information & communication | 2018 |
| BCN Nominee Limited | Information & communication | 2019 |
| BCN Solutions NW Ltd | Construction | 2019 |
| BCN Topco Limited | Information & communication | 2018 |
| BCN Trades Ltd | Wholesale & retail | 2025 |
| BCN Transport Ltd | Transport & logistics | 2025 |
| BCN Transport Services Ltd | Transport & logistics | 2024 |
| BCO & Family Ltd | Wholesale & retail | 2022 |
| BCP Investments Ltd | Administrative & support | 2021 |
| BCPS1 Limited | Real estate | 2025 |
| BCR 89 Ltd | Administrative & support | 2025 |
| BCR Company Formations Limited | Extraterritorial | 2007 |
| BCR Estates Ltd | Construction | 2018 |
| BCR Recruitment Limited | Administrative & support | 2025 |
| Bcrf Limited | Wholesale & retail | 2023 |
| BCW Estates Ltd | Real estate | 2024 |
| BCW Realisations Limited | Wholesale & retail | 2012 |
| BD Barber Supplies Ltd | Wholesale & retail | 2025 |
| BD Costs Ltd. | Professional & scientific | 2017 |
| BD Electrical and Electronics Ltd | Manufacturing | 2023 |
| BD Fast Food Blackley Ltd | Hospitality | 2023 |
| BD Gaming Ltd | Arts & recreation | 2024 |
| BD Housing & Developments Ltd | Construction | 2020 |
| BD Talent Limited | Administrative & support | 2024 |
| BD Telecom Limited | Wholesale & retail | 2010 |
| BD Tyre Co Ltd | Wholesale & retail | 2026 |
| Bdcc Limited | Real estate | 2014 |
| BDG Consulting Ltd | Professional & scientific | 2024 |
| BDH Consult Limited | Professional & scientific | 2025 |
| BDI Cctv Limited | Administrative & support | 1998 |
| Bdigg Limited | Professional & scientific | 2022 |
| BDJ Group Ltd | Professional & scientific | 2020 |
| BDL Finance Limited | Extraterritorial | 2013 |
| BDM Pizza Ltd | Hospitality | 2025 |
| BDM Sports Ltd | Education | 2016 |
| Bdmb Services Limited | Information & communication | 2011 |
| Bdmg Properties Ltd | Real estate | 2026 |
| Bdmic Limited | Manufacturing | 2025 |
| Bdonde Beagle Bone Bays BUR Ltd | Real estate | 2025 |
| BDP Acoustics Limited | Extraterritorial | 1987 |
| BDP Advanced Technologies Limited | Extraterritorial | 1998 |
| BDP Aesop Trustees Limited | Professional & scientific | 2000 |
| BDP Belfast Limited | Extraterritorial | 1987 |
| BDP Bristol Limited | Extraterritorial | 1996 |
| BDP Business Services Limited | Professional & scientific | 2009 |
| BDP Cardiff Limited | Extraterritorial | 1987 |
| BDP Computing Services Limited | Extraterritorial | 1981 |
| BDP Design Limited | Extraterritorial | 1987 |
| BDP Dublin Limited | Extraterritorial | 1987 |
| BDP Edinburgh Limited | Extraterritorial | 2007 |
| BDP Employee Benefit Trustees Limited | Professional & scientific | 2000 |
| BDP Engineering Limited | Extraterritorial | 1987 |
| BDP Europe Limited | Extraterritorial | 1990 |
| BDP Glasgow Limited | Extraterritorial | 1987 |
| BDP Holdings Limited | Professional & scientific | 2000 |
| BDP International Limited | Extraterritorial | 1990 |
| BDP Landscape Limited | Extraterritorial | 1981 |
| BDP Leeds Limited | Extraterritorial | 1990 |
| BDP Lighting Limited | Extraterritorial | 1987 |
| BDP Liverpool Limited | Extraterritorial | 1998 |
| BDP London Limited | Extraterritorial | 1987 |
| BDP Manchester Limited | Extraterritorial | 1987 |
| BDP Mena Limited | Professional & scientific | 2008 |
| BDP Middle East Limited | Extraterritorial | 2008 |
| BDP Nominees (Properties and Subsidiary Operations) Limited | Professional & scientific | 1988 |
| BDP Pattern Limited | Professional & scientific | 2009 |
| BDP Planning Supervisors Limited | Extraterritorial | 1987 |
| BDP Sheffield Limited | Extraterritorial | 1987 |
| BDP Special Structures Group Limited | Extraterritorial | 1987 |
| BDP Sport Limited | Extraterritorial | 1995 |
| BDP Sustainability Limited | Extraterritorial | 1998 |
| Bdprototypes Ltd | Professional & scientific | 2024 |
| Bdps Management Limited | Professional & scientific | 2024 |
| BDR Systems Ltd | Manufacturing | 2025 |
| Bdrj Limited | Wholesale & retail | 2025 |
| BDS (Preston) Ltd | Professional & scientific | 2021 |
| BDS Accounts Ltd | Professional & scientific | 2014 |
| BDS Plumbing Solutions Ltd | Construction | 2026 |
| BDS Property Services Ltd | Real estate | 2009 |
| BDS Roofing Limited | Construction | 2024 |
| BDS Scaffold Designs Limited | Professional & scientific | 2019 |
| Bdte Limited | Information & communication | 2022 |
| BDW GAS and Electric Ltd | Construction | 2023 |
| BDW Manchester Ltd | Transport & logistics | 2024 |
| BE Aesthetic Ptoc Ltd | Other services | 2016 |