| Entitlement Management Ltd | Construction | 1998 |
| Entrepreneurs Support Services Limited | Financial services | 2014 |
| Entrevinas Limited | Hospitality | 2011 |
| Enviroguard Limited | Professional & scientific | 2003 |
| Environmental & Technical Services Limited | Professional & scientific | 1983 |
| Enzyme Consulting Services Limited | Professional & scientific | 2008 |
| EP Tennis Limited | Arts & recreation | 2010 |
| Epitope Sciences Limited | Professional & scientific | 2014 |
| Eps.Group Services Ltd | Administrative & support | 2025 |
| Epsonconsult Ltd | Information & communication | 2024 |
| Equinox Assets Limited | Real estate | 2011 |
| Equinox Estates Limited | Real estate | 2006 |
| Erbario Toscano Ltd | Wholesale & retail | 2023 |
| Erias Finance Limited | Professional & scientific | 2024 |
| Erias Investments Limited | Administrative & support | 2009 |
| Ernani Services Ltd | Administrative & support | 2018 |
| Erostin Developments (NO.4) Limited | Households | 1989 |
| Errand DOT UK Limited | Transport & logistics | 2023 |
| Errigal House Limited | Households | 2021 |
| ERS London Limited | Wholesale & retail | 2019 |
| ES Accountants Ltd | Professional & scientific | 2017 |
| Esachi Plus Limited | Real estate | 2023 |
| Esen's Savoury Limited | Hospitality | 2025 |
| Esha Potters Bar Ltd | Hospitality | 2025 |
| Esja Limited | Administrative & support | 2014 |
| Esos Cafe Ltd | Hospitality | 2026 |
| Essentially Yours Limited | Manufacturing | 1999 |
| Estia Properties Limited | Real estate | 2019 |
| ET Brickwork Limited | Construction | 2007 |
| Etala Limited | Information & communication | 2013 |
| ETC Search Ltd | Administrative & support | 2014 |
| Eternal Aesthetics Ltd | Other services | 2016 |
| Etmg Ltd | Information & communication | 2021 |
| ETS IMS Limited | Information & communication | 2008 |
| Eurocity Properties (Central) Limited | Real estate | 1997 |
| European Confederation of Art Critics Limited | Other services | 2010 |
| European Trading Enterprise, Ltd. | Wholesale & retail | 2008 |
| Evapcare (ECS) Limited | Administrative & support | 1991 |
| EVE Brand Consulting Limited | Information & communication | 2024 |
| EVE Winstanley Productions Ltd | Information & communication | 2024 |
| Event Forwarding Ltd | Professional & scientific | 2016 |
| Event Haven Limited | Administrative & support | 2015 |
| Event Image AV Limited | Administrative & support | 2010 |
| Everclever Ltd | Information & communication | 2025 |
| Everest Handyman Limited | Professional & scientific | 1967 |
| Evernet Solutions Ltd | Administrative & support | 2009 |
| Evolutes Solutions Ltd | Administrative & support | 2020 |
| Exactwrite Ltd | Professional & scientific | 2025 |
| Excel Construction and Developments Limited | Construction | 2014 |
| Excel Investments and Property Management Ltd | Real estate | 2021 |
| Excel Telecom Management Limited | Information & communication | 2015 |
| Excellence Health Limited | Health & social care | 2022 |
| Excolo Zamin Ltd | Real estate | 2022 |
| Executive Travel Solutions Southeast Limited | Transport & logistics | 2023 |
| Exile Fleet Ltd | Arts & recreation | 2014 |
| Exoticonlinemall Ltd | Wholesale & retail | 2017 |
| Experienced Management Limited | Other services | 2018 |
| Expert I T Limited | Wholesale & retail | 2000 |
| Experturology Ltd | Health & social care | 2024 |
| Expo Products Limited | Extraterritorial | 2012 |
| Expopromoter Ltd. | Hospitality | 2013 |
| Express Movers UK Ltd | Transport & logistics | 2020 |
| EY Holdings Ltd | Professional & scientific | 2015 |
| Eyho Ltd | Hospitality | 2003 |
| Ezme Ltd | Hospitality | 2019 |
| F a Wadsworth Ltd | Manufacturing | 2012 |
| F S Heating & Build Ltd | Construction | 2015 |
| F. Ciment (Pleating) Limited | Manufacturing | 1977 |
| FA Project Management & Industrial Design Central Europe Ltd | Administrative & support | 2004 |
| Fa-Re Consultancy Limited | Administrative & support | 2012 |
| Fabon Ltd | Construction | 2024 |
| Facade and Cladding Design Ltd | Professional & scientific | 2012 |
| Factum Law Ltd | Professional & scientific | 2021 |
| Fairfield London Limited | Construction | 1985 |
| Fairway Developments (UK) Limited | Construction | 2002 |
| Fairway Tyre & Auto Services Limited | Wholesale & retail | 2005 |
| Falcon Coaches London Limited | Transport & logistics | 2008 |
| Falcon Coaches SM Ltd | Transport & logistics | 2023 |
| Falconi Productions Ltd | Information & communication | 2022 |
| FAM Nails Ltd | Other services | 2023 |
| Familia MEA Limited | Hospitality | 2017 |
| Fancy Fair Festivals Limited | Wholesale & retail | 2017 |
| Fancy Fair Markets Limited | Wholesale & retail | 2017 |
| Fantastic Cleaners Stevenage Ltd | Administrative & support | 2026 |
| Fantrar Invest Ltd | Wholesale & retail | 2017 |
| Farnborough DS Ltd | Real estate | 2018 |
| Fast FIX Box Ltd | Manufacturing | 2008 |
| Fayet International Ltd | Real estate | 2002 |
| Façade Cladding Fenestration Ltd | Construction | 2022 |
| FC Seven Consulting Ltd | Administrative & support | 2014 |
| FCC Fish Bar Limited | Hospitality | 2013 |
| FDG Technologies Limited | Wholesale & retail | 2013 |
| Feher Nails Ltd | Other services | 2026 |
| Feleppa Investments Ltd | Administrative & support | 2022 |
| Fennell Fitness PT Ltd | Other services | 2026 |
| Fenton Close Residents Management Company Ltd | Households | 2021 |
| Ferman Property Ltd | Real estate | 2019 |
| Ferron Limited | Wholesale & retail | 2012 |
| Ferrzazz Ltd | Real estate | 2012 |
| Ferrzazz Properties Limited | Real estate | 2018 |