| Ewaf Limited | Wholesale & retail | 2019 |
| Excel Energy Consulting Limited | Professional & scientific | 2022 |
| Excel HP Limited | Construction | 2023 |
| Exceledge Academy Limited | Education | 2011 |
| Exclusive Housing Solutions (Holdings) Limited | Financial services | 2020 |
| Exclusive Housing Solutions Limited | Real estate | 2015 |
| Exclusive Supply Limited | Wholesale & retail | 2024 |
| Executive Performance Limited | Administrative & support | 2011 |
| Exigere Ltd | Professional & scientific | 2018 |
| Exmerce Services Ltd | Professional & scientific | 2023 |
| Exos Logistics Ltd | Transport & logistics | 2022 |
| Exotic Confectionery Limited | Manufacturing | 2017 |
| Expected Result Limited | Administrative & support | 2007 |
| Express Park Regeneration Company Ltd | Real estate | 2014 |
| Express Site Supplies Ltd | Wholesale & retail | 2021 |
| Exterra Clean Limited | Administrative & support | 2024 |
| Extra Edge Club Limited | Other services | 2009 |
| Exxelo Limited | Wholesale & retail | 2020 |
| EYE 2 EYE Bushey Ltd | Wholesale & retail | 2019 |
| EYE to EYE Care Limited | Extraterritorial | 2010 |
| Eyehealth Consultancy Ltd | Health & social care | 2022 |
| Eyeland Property Services Ltd | Real estate | 2019 |
| Ezee Accountants Ltd | Professional & scientific | 2016 |
| F E a Limited | Construction | 2024 |
| F&I Tech Limited | Wholesale & retail | 2016 |
| F. Winter & Co (UK). Ltd | Professional & scientific | 2010 |
| F.C. & J.K. Johnson (Sports Goods) Limited | Wholesale & retail | 1975 |
| F.T.Farrell Limited | Construction | 1938 |
| Faberjade Limited | Wholesale & retail | 2024 |
| Fabric Investments Limited | Real estate | 2013 |
| Facio (UK) Limited | Wholesale & retail | 2006 |
| Factory Funk Limited | Wholesale & retail | 2026 |
| Fairmont Consultancy Limited | Professional & scientific | 2026 |
| Fairview Assessments Ltd | Health & social care | 2025 |
| Fairview Park Limited | Real estate | 2016 |
| Fairway of Course Limited | Wholesale & retail | 2001 |
| Faith in Leadership Community Interest Company | Education | 2015 |
| Falco Construction Limited | Construction | 2004 |
| Falco Homes Limited | Construction | 2013 |
| Falcon 12-01 Ltd | Real estate | 2024 |
| Falcon International Tours (U.K.) Limited | Administrative & support | 1984 |
| FALCON2 Ltd | Financial services | 2021 |
| Falkirk Court Development Ltd | Construction | 2022 |
| Fallowfield Holdings Ltd | Financial services | 2025 |
| Fama Compo Ltd | Professional & scientific | 2021 |
| Family Group Conference Limited | Education | 2018 |
| Family Support Centre "Harbourage UK" Ltd | Health & social care | 2014 |
| Fandrive Limited | Real estate | 1986 |
| Farag Limited | Other services | 2018 |
| Farast Holdings Ltd | Hospitality | 2022 |
| Farmbridge Investments Limited | Real estate | 2024 |
| Farmwood Finance Ltd | Professional & scientific | 2019 |
| Farmwood Investments Limited | Real estate | 1961 |
| Farringdon Securities Limited | Construction | 1982 |
| Fasa Software Services Ltd | Information & communication | 2017 |
| Fashion Africa Online Limited | Wholesale & retail | 2023 |
| Fast Connecton Limited | Transport & logistics | 2021 |
| Fast Interiors Ltd | Construction | 2017 |
| Fast Property Developers Ltd | Construction | 2023 |
| FAST2TRADE Ltd | Wholesale & retail | 2020 |
| Fasttrack Homebuyers Associates Limited | Administrative & support | 2009 |
| FAT Loss Centre Limited | Health & social care | 2023 |
| Faye and Yara Ltd | Real estate | 2014 |
| FAZ Optical Ltd | Health & social care | 2021 |
| FB Style by Borrelli Ltd | Manufacturing | 2015 |
| FBF Construction Ltd | Construction | 2021 |
| FC Maintenance Ltd | Construction | 2017 |
| FC Zuzu Construct Ltd | Administrative & support | 2020 |
| FCB Sports Ltd | Arts & recreation | 2025 |
| FCL Electrical Services Ltd. | Construction | 2017 |
| FD Mechanical Limited | Construction | 2019 |
| Federal Management Services Limited | Financial services | 2004 |
| Feelya Ltd | Administrative & support | 2016 |
| Fehmi Limited | Real estate | 2025 |
| Fell Partners Ltd | Professional & scientific | 2021 |
| Femars Limited | Health & social care | 2025 |
| Femina Beauty Limited | Other services | 2015 |
| Femina Hair & Beauty Limited | Other services | 2018 |
| Femina Nails & Beauty Limited | Other services | 2018 |
| Fen-Air Climate Control Limited | Construction | 2023 |
| Fentu Ltd | Information & communication | 2021 |
| Ferio Partnerships Limited | Professional & scientific | 2025 |
| Fermoy Limited | Real estate | 2010 |
| Ferryvale Property Ltd | Extraterritorial | 2014 |
| Festiglow Events Ltd | Hospitality | 2025 |
| FESTIVITY4U Ltd | Arts & recreation | 2025 |
| FG Struct Ltd | Professional & scientific | 2018 |
| Fianova Limited | Information & communication | 2020 |
| Fidela Design & Build Ltd | Construction | 2024 |
| Fieldchase Limited | Real estate | 2005 |
| Fieldview Court Kingsbury Management Company Limited | Households | 1973 |
| Fifty One the Mall Limited | Real estate | 2020 |
| Filico S.R.O. | | 2008 |
| Film Design International Limited | Education | 2001 |
| Filmflow Limited | Transport & logistics | 1983 |
| Films-Rad Ltd | Health & social care | 2026 |
| Filross Securities Limited | Construction | 1927 |
| Finance and Business Solutions Limited | Extraterritorial | 2013 |
| Financeitnow Ltd | Wholesale & retail | 2024 |
| Finanum Limited | Information & communication | 2016 |