| Ekara Limited | Information & communication | 2019 |
| EL UK Subco Limited | Construction | 2014 |
| Eldnar Ltd | Professional & scientific | 2018 |
| Electek Engineering Limited | Professional & scientific | 2016 |
| Electrical Protection Ltd | Construction | 2011 |
| Electro ARC Company Limited | Wholesale & retail | 2019 |
| Elevate UK Lifts Limited | Extraterritorial | 2026 |
| Elizabeth & Giovanni Ltd | Other services | 2014 |
| ELK Training Solutions Ltd | Education | 2014 |
| Elor Group Ltd | Construction | 2023 |
| Elta Group Holdings Limited | Financial services | 2024 |
| Elta Group Innovations Limited | Administrative & support | 2010 |
| Elta Group Limited | Professional & scientific | 1995 |
| Elta Holding Limited | Professional & scientific | 2012 |
| Elta International Limited | Professional & scientific | 2005 |
| Elta-Uk Limited | Manufacturing | 1964 |
| Elysium Digital Ltd | Information & communication | 2023 |
| Emily IS Digital Ltd | Professional & scientific | 2023 |
| Emily Roche Hair Ltd | Other services | 2026 |
| Emily Steel Ltd | Education | 2024 |
| Empire Sports Limited | Wholesale & retail | 2012 |
| Employee Car Ownership Solutions Limited | Professional & scientific | 2005 |
| Employment Ltd | Administrative & support | 2003 |
| Enablists Limited | Professional & scientific | 2020 |
| Endeavour Restaurants Ltd | Hospitality | 2021 |
| Energy Evaluation Limited | Professional & scientific | 2013 |
| Energy Saving Glass Ltd | Manufacturing | 1996 |
| Energy Saving Trade Frames Limited | Extraterritorial | 1999 |
| Engine and Gearbox Centre Limited | Wholesale & retail | 2000 |
| Enhance Mobility Group UK Ltd | Professional & scientific | 2023 |
| Ennis Cleaning Limited | Construction | 2022 |
| Ennis Family Investments Ltd | Financial services | 2024 |
| Entire Site Solutions Ltd | Construction | 2024 |
| Envirotreat Solutions Limited | Water & waste | 2009 |
| Envirotreat Technologies Limited | Water & waste | 1996 |
| Erasmus Restaurants Limited | Hospitality | 2018 |
| Ermahgerd Limited | Financial services | 2021 |
| ES Village Coffee Ltd | Hospitality | 2024 |
| ESM Land Limited | Real estate | 2015 |
| Essexcare (Holdings) Limited | Administrative & support | 2014 |
| Esta Solutions Limited | Health & social care | 2015 |
| Euro Distribution UK Limited | Wholesale & retail | 2005 |
| Euro Electrical Contractors Limited | Construction | 2011 |
| Eurocrane Services Limited | Manufacturing | 2018 |
| European Platform Systems Limited | Extraterritorial | 2017 |
| Event Pro Security Management Ltd | Administrative & support | 2024 |
| Events Promotions Ltd | Arts & recreation | 2023 |
| Everest Solutions Limited | Real estate | 2021 |
| Evergreen Takeaway Limited | Hospitality | 2019 |
| Everlast Property Ltd | Real estate | 2022 |
| Everydaybullionuk Ltd | Wholesale & retail | 2025 |
| Evetris Limited | Health & social care | 2023 |
| Evica Digital Ltd | Information & communication | 2022 |
| Evoca UK Limited | Wholesale & retail | 1999 |
| Evolve Anchor Limited | Real estate | 2018 |
| Excavation Solutions Ltd | Construction | 2024 |
| Excel 2000 Windows Limited | Construction | 1999 |
| Excel Carpets & Flooring Ltd | Construction | 2026 |
| Excel Heat Limited | Manufacturing | 1969 |
| Exec Homes Management Ltd | Real estate | 2013 |
| Exel Elevator Limited | Manufacturing | 2010 |
| Expansion Improvements Limited | Professional & scientific | 2021 |
| F H 3 Barbers Ltd | Other services | 2013 |
| F H 4 Barbers Ltd | Other services | 2015 |
| Fairford Leys Management Company Ltd | Real estate | 2001 |
| Fairoak Talent Solutions Ltd | Administrative & support | 2021 |
| Falcon Underwriting Ltd | Financial services | 2006 |
| Falconarch Ltd | Construction | 2020 |
| Fangates (UK) Ltd | Construction | 2019 |
| Fantech (UK) Limited | Extraterritorial | 1996 |
| FAS Window Films Ltd | Construction | 2015 |
| Fastline Cars Limited | Transport & logistics | 2014 |
| FD & Associates Ltd | Wholesale & retail | 2007 |
| Federal Resistance Ltd | Manufacturing | 2008 |
| Federal Welder International Limited | Manufacturing | 2006 |
| Fellows Electrical and Mechanical Limited | Administrative & support | 2016 |
| Felton Properties Ltd | Real estate | 2026 |
| Fernbrooke Limited | Construction | 2017 |
| Festival Pride Ltd | Wholesale & retail | 2021 |
| FFP Software Ltd | Information & communication | 2022 |
| FH Landscapes & Home Improvements Ltd | Professional & scientific | 2025 |
| Fiftytwo Wealth Management Limited | Financial services | 2018 |
| Finance Central (UK) Limited | Financial services | 2023 |
| Financial Analytics Ltd | Information & communication | 2025 |
| Financian Ltd | Professional & scientific | 2020 |
| Finch Homecare Limited | | 1986 |
| Fine-Line Cleaning Services Ltd | Construction | 2012 |
| Finix Restaurants Limited | Hospitality | 2016 |
| Finlay Vincent Limited | Manufacturing | 2022 |
| Finsbridge Holdings Ltd | Financial services | 2021 |
| Finstall Limited | Professional & scientific | 2015 |
| Fire and Theft Protection UK Ltd | Other services | 2019 |
| Firemed Solutions Ltd | Professional & scientific | 2026 |
| Firenet Solutions Ltd | Administrative & support | 2024 |
| Firkin & Green Bakeries Limited | Manufacturing | 2014 |
| Firstbrook Engineering Limited | Professional & scientific | 1979 |
| Fitness 4 U Ltd | Administrative & support | 2016 |
| Fittolift Ltd | Arts & recreation | 2020 |
| Five Lanes Ltd | Hospitality | 2022 |
| Fives Bronx Limited | Manufacturing | 2001 |