| Enve of Australia Ltd | Other services | 2024 |
| Enviro Scrub Services Ltd | Administrative & support | 2025 |
| Eolas Associates Ltd | Professional & scientific | 2022 |
| EP Claris LLP | | 2026 |
| EP Elevate LLP | | 2026 |
| EP Indigo LLP | | 2026 |
| EP Midas LLP | | 2026 |
| Equestrian Education Ltd | Education | 2016 |
| Equipment Emporium Ltd | Administrative & support | 2025 |
| Equipta Limited | Wholesale & retail | 2019 |
| Equites Newlands (Land) Limited | Real estate | 2020 |
| Equites Newlands (Rugby) Ltd | Real estate | 2019 |
| Equites Park (Milton Keynes) Management Company Limited | Real estate | 2022 |
| Equites Park (Peterborough West) Management Company Limited | Real estate | 2022 |
| ERA Property Management Limited | Households | 2024 |
| Erina Properties Limited | Real estate | 1992 |
| Esestien Ltd | Manufacturing | 2024 |
| Essanden Consultants Limited | Financial services | 2021 |
| Essenelk Ltd | Information & communication | 2023 |
| Eternal Utopia UK Limited | Wholesale & retail | 2022 |
| Ethical Family Living Ltd. | Wholesale & retail | 2021 |
| Etone Coatings Ltd | Manufacturing | 2026 |
| EU Prime Ltd | Wholesale & retail | 2017 |
| EU RE Consultants UK Ltd | Extraterritorial | 2023 |
| Eugeria Ltd | Health & social care | 2023 |
| Euphrasie Management Ltd | Extraterritorial | 2025 |
| Eurofer Group Ltd | Extraterritorial | 2014 |
| Euroliaison Services Ltd | Extraterritorial | 2014 |
| EV Assist Limited | Manufacturing | 2022 |
| Evaluation Capital Ltd | Administrative & support | 2015 |
| EVE Technologies Ltd | Information & communication | 2025 |
| Evedale Group Limited | Financial services | 2026 |
| Evermore Group Holdings Limited | Financial services | 2025 |
| Evernew Jewelry Co., Ltd | Wholesale & retail | 2018 |
| Everyday Construction Limited | Construction | 2021 |
| Everything Stop Ltd | Professional & scientific | 2019 |
| Evolute Drives Limited | Professional & scientific | 2020 |
| Ewbank Products Limited | Manufacturing | 1997 |
| Ewfulfilment Ltd | Administrative & support | 2018 |
| Ewohsoft Limited | Information & communication | 2009 |
| Experience-Ing Limited | Information & communication | 2003 |
| Expert Cubes Limited | Information & communication | 2013 |
| Expetro Energy Service Co., Ltd | Extraterritorial | 2024 |
| Exquisite Forest Limited | Manufacturing | 2012 |
| Extension Planning Ltd | Professional & scientific | 2026 |
| Extraterrestrial Strategy Research Academy | Extraterritorial | 2017 |
| EYE Gallery Ltd | Real estate | 2023 |
| EYE Inspextion Limited | Professional & scientific | 2010 |
| Ezlul Ltd | Wholesale & retail | 2021 |
| F and L Partners Ltd | Real estate | 2023 |
| F E Financial Services Ltd | Financial services | 2000 |
| F Edmunds Consulting Limited | Arts & recreation | 2023 |
| F.S.S. Canine Patrol Ltd | Administrative & support | 2015 |
| F.S.S. Facilities Management Ltd | Administrative & support | 2025 |
| F1 Computing Limited | Information & communication | 1996 |
| Factor Networking and Consultancy Ltd | Professional & scientific | 2018 |
| Fahrenheit Design Ltd | Professional & scientific | 2011 |
| Fahy Construction & Management Ltd | Professional & scientific | 2024 |
| Falcon Fieldsports Limited | Wholesale & retail | 2024 |
| Fantasy and Reality Limited | Wholesale & retail | 2021 |
| FAR East Steel Imp&Exp Co., Ltd | Extraterritorial | 2019 |
| Farm Runs Ltd | Arts & recreation | 2026 |
| Farmers Fayre Limited | Wholesale & retail | 1999 |
| Farmers Ferry Limited | Extraterritorial | 1998 |
| Farmers Fresh Limited | Wholesale & retail | 1999 |
| Farstar CPA Ltd | Administrative & support | 2013 |
| Fascino Capital Ltd | Wholesale & retail | 2021 |
| Fav’Ican Limited | Wholesale & retail | 2022 |
| Faye Commercial Limited | Professional & scientific | 2010 |
| FB Services Ltd | Wholesale & retail | 2018 |
| FBA Technical Services Ltd | Construction | 2021 |
| Fearless Outlaw Ltd | Wholesale & retail | 2021 |
| FEC Energy Limited | Extraterritorial | 2019 |
| Feed Fried Chicken Limited | Hospitality | 2022 |
| FEI ER IMP & EXP International Trading Co., Ltd | Administrative & support | 2021 |
| Feijter Management Ltd | Extraterritorial | 2019 |
| Fengqi Group Co., Ltd | Extraterritorial | 2019 |
| Fenstek International Co., Limited | Administrative & support | 2017 |
| Ferguson Asia Limited | Extraterritorial | 2007 |
| Fernando Graca Limited | Professional & scientific | 2012 |
| Fernwood Estate Management Limited | Administrative & support | 2013 |
| Festival of Pagans & Witches Ltd | Arts & recreation | 2022 |
| FGR Property Ltd | Construction | 2019 |
| FHA Builders Ltd | Construction | 2025 |
| Fibergo Telecom Co., Ltd | Extraterritorial | 2017 |
| Fidelis Innovation LLP | | 2013 |
| Fieldgate House Management Company (Kenilworth) Limited | Households | 1992 |
| Fieldgate Lawn Drive Ltd | Professional & scientific | 2020 |
| Filbert Consulting Ltd | Professional & scientific | 2015 |
| File Direct Limited | Information & communication | 2003 |
| Filipino Kitchen Ltd | Hospitality | 2024 |
| Film Productions Limited | Information & communication | 2010 |
| Finance (Coventry) Limited | Real estate | 1960 |
| Fine Homes Financial Services Limited | Extraterritorial | 2007 |
| Fine Homes Property Services Limited | Extraterritorial | 2007 |
| Fineway Biotech Limited | Extraterritorial | 2019 |
| Finland Nordic Chemicals International Co., Ltd | Agriculture & fishing | 2025 |
| First Class Retail Limited | Financial services | 2016 |
| Fisconsult Sinews (UK) Ltd | Administrative & support | 2019 |
| Fisher & Partners (Management Services) Limited | Professional & scientific | 1978 |