| 21D Bioengineering Limited | Health & social care | 2015 |
| 21D Clinical Limited | Health & social care | 2015 |
| 21D Group Holdings Limited | Financial services | 2022 |
| 21D Holdings Limited | Financial services | 2021 |
| 21D Management Limited | Professional & scientific | 2022 |
| 22D Limited | Health & social care | 2026 |
| 23D Group Limited | Health & social care | 2026 |
| Array Investments Limited | Financial services | 2016 |
| BE Property Agency Limited | Real estate | 2018 |
| Black Cat Fuels Limited | Extraterritorial | 2005 |
| Boiler Shield Limited | Extraterritorial | 1975 |
| Booth Asset Management Limited | Professional & scientific | 2014 |
| Brett Fuels Limited | Extraterritorial | 2005 |
| Bright FS Limited | Financial services | 2016 |
| Butler Fuels Limited | Extraterritorial | 2011 |
| Carlton Fuels Limited | Extraterritorial | 1986 |
| Carr Lodge Management Company Limited | Administrative & support | 2014 |
| Central Fuel Oils Limited | Extraterritorial | 2002 |
| Centreco (UK) Limited | Construction | 2014 |
| Centreco Group Holdings Limited | Financial services | 2023 |
| Centreco Limited | Extraterritorial | 2016 |
| Certas Energy (Channel Islands) Limited | Extraterritorial | 2011 |
| Certas Energy (Isle of MAN) Limited | Extraterritorial | 2007 |
| Certas Energy Limited | Extraterritorial | 2008 |
| Certas Energy Retail Limited | Extraterritorial | 2007 |
| Certas Energy UK Limited | Wholesale & retail | 2001 |
| Channel Islands Fuels Convenience Stores Limited | Extraterritorial | 2011 |
| Channel Islands Fuels Limited | Extraterritorial | 2011 |
| Charter Fuels Limited | Extraterritorial | 1988 |
| Cifl Channel Islands Fuels Limited | Extraterritorial | 2011 |
| Comec Ukeig | Professional & scientific | 1991 |
| CPL Petroleum Limited | Wholesale & retail | 1994 |
| David Taylor Garages (Filling Stations) 2000 Limited | Extraterritorial | 2000 |
| David Taylor Garages (Filling Stations) Limited | Extraterritorial | 2000 |
| DCC Energy UK Limited | Financial services | 1985 |
| DDW Property Services Ltd | Real estate | 2025 |
| DEV Plant Hire Limited | Professional & scientific | 1978 |
| Dream Chaser International Ltd | Wholesale & retail | 2025 |
| Drivereward Ltd. | Extraterritorial | 2008 |
| Edemsa Power Partners Limited Partnership | | 1998 |
| Ellan Vannin Fuels Limited | Extraterritorial | 2007 |
| ELM Solutions Group Ltd | Administrative & support | 2010 |
| EMO OIL Limited | Extraterritorial | 2004 |
| Energy Acquisitions UK Limited | Financial services | 2007 |
| Equiyd Limited | Information & communication | 2023 |
| ETP Card Processing Ltd | Transport & logistics | 2008 |
| Euro Secure Parking Ltd | Extraterritorial | 2008 |
| F. Peart & Co. Ltd | Extraterritorial | 1925 |
| Falcon Automation & Control Systems Ltd | Manufacturing | 2018 |
| Forge Manor (Chinley) Management Company Limited | Households | 2017 |
| Freedom Heat Pumps Limited | Administrative & support | 2010 |
| GB Oils Limited | Extraterritorial | 2006 |
| GE Stevens Limited | Extraterritorial | 2007 |
| Heat Pumps Support Services Limited | Administrative & support | 2021 |
| Homefuels Direct Ltd | Extraterritorial | 2008 |
| Hyperdrive Lubricants Limited | Extraterritorial | 2009 |
| Jackson Fuels Limited | Extraterritorial | 2007 |
| James D Johnson (Management Services) Limited | Extraterritorial | 2008 |
| James D Johnson Limited | Extraterritorial | 2007 |
| JAX Mech Ltd | Construction | 2023 |
| Keyford on the Green Management Company Limited | Households | 2023 |
| LES Naylor Limited | Professional & scientific | 2018 |
| LYN Valley Fuels Limited | Extraterritorial | 1993 |
| Martindale Fuels Limited | Extraterritorial | 2003 |
| Maverton Limited | Extraterritorial | 2004 |
| Mccarthy Consultancy Ltd | Professional & scientific | 2024 |
| Nirva Group Limited | Wholesale & retail | 2026 |
| Noble Fuels | Extraterritorial | 1981 |
| O.J. Williams (Wales) Limited | Extraterritorial | 2007 |
| O.J. Williams (West of England) Limited | Extraterritorial | 2007 |
| O.J. Williams Limited | Extraterritorial | 2008 |
| Optimum Property Group (U.K.) Ltd | Construction | 2021 |
| Optimum Property Rental Group (UK) Ltd | Real estate | 2022 |
| Osprey Quay Management Company Limited | Administrative & support | 2013 |
| Owen Fuels Limited | Extraterritorial | 2008 |
| Pace Fuelcare Limited | Extraterritorial | 1970 |
| Production Lubricants Limited | Extraterritorial | 1973 |
| Purecode Ltd | Information & communication | 2017 |
| Race Industrial (Holdings) Limited | Extraterritorial | 2016 |
| Race Industrial (Products) Limited | Extraterritorial | 1985 |
| Race Lubricants Limited | Extraterritorial | 2016 |
| Race Oils Limited | Extraterritorial | 2016 |
| Real Time Recruitment Solutions Limited | Administrative & support | 2015 |
| Rmig Limited | Manufacturing | 1971 |
| Scottish Fuels Limited | Extraterritorial | 2000 |
| Severn Fuels Limited | Extraterritorial | 1981 |
| Snap Group Holdings Limited | Financial services | 2018 |
| Social Value Business Ltd | Professional & scientific | 2013 |
| Solar Petroleum Limited | Extraterritorial | 1983 |
| Solar Properties Limited | Extraterritorial | 1996 |
| Southern Counties Fuels Holdings Limited | Extraterritorial | 2003 |
| Southern Counties Fuels Limited | Extraterritorial | 1967 |
| Speed Fuel Oils Limited | Extraterritorial | 1989 |
| Suffolk County Fuels Ltd | Extraterritorial | 2001 |
| Team Energy Fuels Limited | Extraterritorial | 1990 |
| Team Flitwick Limited | Extraterritorial | 2007 |
| THE New Hollies Limited | Transport & logistics | 2010 |
| Town & Country Heating Supply Company Limited | Extraterritorial | 2006 |
| Townson Bros. (Fuel Services) Limited | Extraterritorial | 1988 |
| Townson Thornber Limited | Extraterritorial | 1988 |