| Deeland Limited | Administrative & support | 1998 |
| Deep Space (Swindon) Limited | Transport & logistics | 1988 |
| Deepsouth Investments Ltd | Real estate | 2022 |
| Deltaclass Technology Solutions Limited | Information & communication | 2014 |
| Deluxe Car Care Limited | Wholesale & retail | 2019 |
| Demeter Properties Limited | Construction | 1968 |
| Demiols Limited | Information & communication | 2015 |
| Denis Coakley Racing Limited | Administrative & support | 2006 |
| Denton Place Management Company Limited | Extraterritorial | 2007 |
| Design Services Inc Limited | Professional & scientific | 1994 |
| Detroit Diner Limited | Hospitality | 1993 |
| Devlet Five Limited | Manufacturing | 1985 |
| DEZINE-4U Limited | Professional & scientific | 2002 |
| Dharmavaram Limited | Information & communication | 2018 |
| Diamond Construction (2000) Ltd | Construction | 1999 |
| Digilocks Direct Limited | Wholesale & retail | 2003 |
| Digimax Systems Limited | Professional & scientific | 1993 |
| Digital Honey Ltd | Professional & scientific | 2026 |
| Dineandgift.Com Limited | Extraterritorial | 2017 |
| Direct Production Limited | Manufacturing | 2000 |
| DKN Properties Limited | Real estate | 2006 |
| DKS Training Solutions Limited | Other services | 2005 |
| DM Pharma Solutions Limited | Information & communication | 2007 |
| DMJ Nominees Limited | Extraterritorial | 2003 |
| Dnata Aviation Services Limited | Professional & scientific | 2010 |
| Dnata Limited | Transport & logistics | 1995 |
| Dockside Data Limited | Information & communication | 1998 |
| Doctor Pharma Manufacturing UK Limited | Manufacturing | 2007 |
| Dolman Scott Ltd | Information & communication | 2006 |
| Domlow Limited | Real estate | 2002 |
| Doublewood Limited | Real estate | 1985 |
| Doves Farm Foods Limited | Manufacturing | 1988 |
| DPL Consultancy Limited | Information & communication | 2007 |
| Dragoners Limited | Financial services | 2015 |
| Dukes Wood Consulting Limited | Professional & scientific | 2004 |
| Durham Investments Limited | Professional & scientific | 1995 |
| E Hillier & SON (Holdings) Ltd | Professional & scientific | 1955 |
| E-Shop Limited | Wholesale & retail | 2025 |
| E.C.C. Electronics (U.K.) Limited | Extraterritorial | 1976 |
| Eagle Graphics Limited | Administrative & support | 2003 |
| East Anglian ROD Co. Limited | Extraterritorial | 1994 |
| East Berkshire Golf Club (Property) Limited | Arts & recreation | 1938 |
| East Berkshire Golf Club Limited | Arts & recreation | 2007 |
| Ebpmu Limited | Other services | 2025 |
| Eclectic Games Limited | Wholesale & retail | 2005 |
| Edapt Limited | Information & communication | 1997 |
| Eddington Properties Limited | Real estate | 2002 |
| Edmunds Exhaust & Autocare Limited | Wholesale & retail | 1996 |
| Effem Holdings Limited | Professional & scientific | 1998 |
| Eiray Limited | Administrative & support | 2007 |
| EJ Ellisjones Limited | Administrative & support | 2006 |
| Eleanor Rice Limited | Professional & scientific | 2003 |
| Electric Train Preservation Limited | Transport & logistics | 1996 |
| Electrum Limited | Professional & scientific | 1994 |
| Elements Kitchens Limited | Construction | 2000 |
| Eline Consulting Ltd | Information & communication | 2013 |
| Elite Agency Limited | Professional & scientific | 2002 |
| Elite Express (London) Limited | Transport & logistics | 2014 |
| Elite Wheels & Tyres Limited | Wholesale & retail | 1998 |
| Elliefy Limited | Professional & scientific | 2006 |
| Elverex Software Testing Solutions Limited | Information & communication | 1997 |
| Elverex U.K. Limited | Information & communication | 1993 |
| Emilyheff Ltd | Information & communication | 2020 |
| Emportals Limited | Information & communication | 2003 |
| Empyrean Homes Limited | Construction | 2007 |
| Enable Trading Limited | Wholesale & retail | 2007 |
| Endura Flooring Contractors Limited | Construction | 2006 |
| Engage Resourcing Limited | Administrative & support | 2007 |
| Enhance Potential Limited | Professional & scientific | 2006 |
| Ensys Limited | Construction | 1988 |
| Entertainment Corporation Concerts and Arts Limited | | 1985 |
| Ephs Ltd | Construction | 2006 |
| Equinox Industrial Limited Partnership | | 2002 |
| Eric White (Coach Builders) Limited | Wholesale & retail | 1954 |
| Eric White Holdings Limited | Financial services | 1965 |
| Errinco U.K. Ltd. | Real estate | 1994 |
| Esekey Limited | Information & communication | 2003 |
| Esja Clinics Limited | Health & social care | 2020 |
| Eton Cars Limited | Transport & logistics | 2002 |
| EU Talk Limited | Professional & scientific | 2003 |
| Euro Estate Management Limited | Real estate | 2004 |
| Euro Invest Finance Limited | Real estate | 1990 |
| Euro Market Data Limited | Real estate | 1997 |
| Euro Properties (Kahlon) Limited | Real estate | 2002 |
| Euro RMC Services Limited | Hospitality | 2014 |
| European Islamic Limited | Administrative & support | 1980 |
| European M&A Limited | Professional & scientific | 1999 |
| European Renewable Energy Services Group Ltd | Extraterritorial | 2004 |
| Eurotech Design Limited | Professional & scientific | 2000 |
| Eurowide Engineering Group Limited | | 1973 |
| Everythingfine Limited | Professional & scientific | 1999 |
| Excel 2 Deliver Consulting Limited | Information & communication | 2007 |
| Excel Plumbing Supplies Ltd. | Wholesale & retail | 2001 |
| Executive Rural Leisure Limited | Financial services | 2001 |
| Exilia Limited | Arts & recreation | 2007 |
| Express Move Properties Limited | Real estate | 2018 |
| Extreme Design Limited | Wholesale & retail | 2007 |
| F.A. Russell Limited | | 1986 |
| FAB Development Limited | Education | 2000 |
| Fabrite Plastics Limited | Manufacturing | 1978 |