| Elaris Support Staffing Ltd | Administrative & support | 2022 |
| Electrolux Group Pension Scheme Trustee Limited | Professional & scientific | 1987 |
| Electrolux Investments | Professional & scientific | 2002 |
| Electrolux PLC | Wholesale & retail | 1988 |
| Elite Insulation Supplies Ltd | Construction | 2024 |
| Ellaress Ltd | Information & communication | 2007 |
| Ellesi Estates Ltd | Real estate | 2025 |
| Elmhurst Group Limited | Extraterritorial | 2015 |
| Elowen Paris Ltd | Wholesale & retail | 2025 |
| Elson Grange Limited | Professional & scientific | 2023 |
| Emac Associates Limited | Information & communication | 2003 |
| Enchanted Photobooths Ltd | Other services | 2001 |
| Engreco Group Ltd | Manufacturing | 2021 |
| Engreco Healthcare Ltd | Manufacturing | 2024 |
| Enterprise Personnel Limited | Administrative & support | 1996 |
| Enterprising Personnel Limited | Administrative & support | 2000 |
| Environmental Economics Limited | Construction | 2007 |
| Epic Network Support Limited | Information & communication | 2007 |
| ERZINCAN03 Limited | Hospitality | 2025 |
| Essity Operations Manchester Limited | Professional & scientific | 2000 |
| Essity UK Limited | Manufacturing | 1996 |
| Ether Consulting Limited | Information & communication | 2006 |
| EVA Consultants Limited | Administrative & support | 2014 |
| Everyday Electrics Limited | Construction | 2002 |
| Extreme Automotive Limited | Transport & logistics | 2003 |
| Extreme Gadgets Limited | Information & communication | 2005 |
| F.M. Infotech Limited | Information & communication | 2002 |
| F13CONSULTING Limited | Professional & scientific | 2003 |
| Fabron Hydraulics Limited | Construction | 1978 |
| Fair Pharm Limited | Wholesale & retail | 2002 |
| Family Connections Limited | Real estate | 2005 |
| Farm Properties Limited | Administrative & support | 1987 |
| Farrow Civil Engineering Limited | Construction | 2000 |
| Fast and Direct Marketing Limited | Hospitality | 2000 |
| Fast Track Mots Limited | Wholesale & retail | 2002 |
| Fenix Consultancy International Ltd. | Information & communication | 2004 |
| Fester Management Limited | Professional & scientific | 2006 |
| Fillers Catering Limited | Hospitality | 2002 |
| First Choice Property NET Limited | Real estate | 2000 |
| Firstcare (GB) Ltd | Health & social care | 2006 |
| Fitforelle Ltd | Arts & recreation | 2024 |
| Flexipharm Ltd | Health & social care | 2007 |
| Flitwick Carpets Limited | Wholesale & retail | 2002 |
| Flitwick Mowers Limited | Other services | 2003 |
| Flitwick Tyre & Battery Services Ltd | Administrative & support | 2003 |
| FOD FX Ltd | Administrative & support | 2022 |
| FOD Limited | Professional & scientific | 2002 |
| Fore Side Development Ltd | Construction | 2004 |
| Fork Rent Limited | Administrative & support | 2015 |
| Foxgale Limited | | 1978 |
| FPL Management Ltd | Professional & scientific | 2006 |
| Framatome BHR Limited | Professional & scientific | 2010 |
| Franzy Limited | Wholesale & retail | 2025 |
| Freeway Lift Services Limited | Construction | 1990 |
| French Horn Limited | Hospitality | 2004 |
| Furry Poppins Ltd | Extraterritorial | 2020 |
| Fusion M & S Consulting Ltd | Financial services | 2005 |
| Galmon Consultancy Services Limited | Professional & scientific | 1998 |
| Garage Door Solutions Limited | Administrative & support | 2001 |
| Gary Uhli Installations Limited | Construction | 2007 |
| Gift International Limited | Wholesale & retail | 1994 |
| Gill Insurance & Finance Consultants Ltd | Financial services | 2000 |
| Glenalla Forest Limited | Agriculture & fishing | 1997 |
| Goldfinch Insulations Ltd | Manufacturing | 2024 |
| Goldhand Ltd | Information & communication | 2022 |
| GPS Dublin Ltd | Construction | 2023 |
| Graham Mancha Limited | Wholesale & retail | 2008 |
| Graphic Vision Application Limited | Administrative & support | 2003 |
| Grasmere Way Linslade Limited | Real estate | 2005 |
| Great Cretan Inn Ltd | Hospitality | 2021 |
| Greaves Data Systems Limited | | 1984 |
| Green Parts Salvage & Recycling Ltd | Wholesale & retail | 1999 |
| Green Parts Specialist (Ormskirk) Holdings Ltd | Professional & scientific | 2009 |
| Green Parts Specialist (Ormskirk) Ltd | Wholesale & retail | 1978 |
| Green Parts Specialist Holdings Ltd | Financial services | 2022 |
| Green Parts Specialists (Dumfries) Ltd | Wholesale & retail | 2020 |
| Greenleaf Contract Services Limited | Agriculture & fishing | 2001 |
| Gregory Drylining Limited | Construction | 1999 |
| Gregsproperties Ltd | Real estate | 2026 |
| Grove Farmland Limited | Agriculture & fishing | 2006 |
| Groves Technical Limited | Professional & scientific | 2006 |
| Grovewood Communications Limited | Professional & scientific | 2002 |
| Grundfos Pumps Limited | Manufacturing | 1964 |
| Grundfos Watermill Limited | Manufacturing | 1982 |
| Gtcb Limited | Extraterritorial | 2007 |
| Gunduz Ltd | Hospitality | 2017 |
| H & F Vending Limited | Administrative & support | 1999 |
| H J K Design & Engineering Limited | Professional & scientific | 1998 |
| H Pearson Limited | Financial services | 2021 |
| H W Clifton & Sons Limited | Real estate | 1971 |
| Haartwells Limited | Professional & scientific | 2003 |
| Habib (UK) Ltd | Wholesale & retail | 2007 |
| Halcyonone Ltd. | Information & communication | 2005 |
| Haleem & Co Ltd | Wholesale & retail | 2007 |
| Half Full Solutions Limited | Professional & scientific | 2002 |
| Hallam Learning Consultancy Limited | Professional & scientific | 2004 |
| Hallbrookes (Accountancy) Limited | Professional & scientific | 2007 |
| Handlerose Limited | | 1982 |
| Harlington Enterprises Ltd | Real estate | 2020 |
| Harmony Heating Limited | Construction | 2004 |