| Exist Ltd | Wholesale & retail | 2010 |
| Exotic Films Ltd | Wholesale & retail | 2024 |
| Experience Technical Consultants Limited | Professional & scientific | 2017 |
| Experimental Escape Ltd | Arts & recreation | 2016 |
| Expert Electrical Services Ltd | Construction | 2018 |
| Expocart UK Ltd | Administrative & support | 2013 |
| Exponential Ethics Ltd | Professional & scientific | 2025 |
| Express Music M.L.C. Limited | Wholesale & retail | 2003 |
| Extrevo Ltd | Administrative & support | 2023 |
| Eyekon Limited | Professional & scientific | 2012 |
| Eynsham Estates Limited | Real estate | 2017 |
| Eyre Technologies Ltd | Manufacturing | 2025 |
| F&P Living Ltd | Real estate | 2020 |
| F.P.S. (Fire Prevention Solutions) Limited | Administrative & support | 2015 |
| F9 Trading Ltd | Construction | 2017 |
| Faaji Casa Limited | Wholesale & retail | 2025 |
| Fabrum Ltd | Professional & scientific | 2005 |
| Facade Creative Studio Ltd | Professional & scientific | 2025 |
| Face Card Aesthetics Ltd | Other services | 2024 |
| Face Fiction Productions Ltd | Information & communication | 2021 |
| Facilifix LLP | | 2017 |
| Facilitechuk Limited | Information & communication | 2025 |
| Faculty of Professional, Business and Technical Management Limited | Professional & scientific | 1983 |
| Fade Group Ltd | Health & social care | 2023 |
| Fagope Limited | Transport & logistics | 2022 |
| Fair Fruit (UK) Limited | Manufacturing | 2012 |
| Fairlawn Close Limited | Real estate | 1999 |
| Fairview Beer Limited | Real estate | 2019 |
| Fairways Construction Systems Limited | Construction | 1995 |
| Falcon Motor & Car Tyres Limited | Wholesale & retail | 2018 |
| Falcon Precision Engineering Limited | Manufacturing | 1996 |
| Familiar Friends Day Club C.I.C. | Health & social care | 2022 |
| Family Future Care Limited | Health & social care | 2025 |
| Famous Studios Limited | Arts & recreation | 2016 |
| Farah J.K. Limited | Manufacturing | 2018 |
| Fare Mortgages Ltd | Financial services | 2023 |
| Faris Consulting Limited | Professional & scientific | 2020 |
| Farley House Limited | Households | 1987 |
| Farmer's Tyre Ltd | Manufacturing | 2008 |
| Farmers Gate Limited | Extraterritorial | 2016 |
| Farnley Tower Limited | Hospitality | 2016 |
| Fashion Live Events Limited | Administrative & support | 2009 |
| Fassada Limited | Professional & scientific | 2026 |
| FAT Birds Cafe Ltd | Hospitality | 2007 |
| FAT Birds Cafe Warwick Ltd | Hospitality | 2024 |
| Fathom Line Properties Ltd | Other services | 2018 |
| Fattys Fusions Ltd | Hospitality | 2025 |
| Fawn Care Ltd | Health & social care | 2023 |
| Faye Kent Art Ltd | Wholesale & retail | 2020 |
| FD Invest Limited | Professional & scientific | 2009 |
| FDM Records Limited | Information & communication | 2005 |
| FE Tavi Limited | Information & communication | 2025 |
| Fedput Limited | Professional & scientific | 2016 |
| Feldspar Consulting Limited | Professional & scientific | 2007 |
| Felisa Malcolm Group Ltd | Wholesale & retail | 2021 |
| Felix Scott Automotive Ltd | Professional & scientific | 2019 |
| Fellowship for Parish Evangelism | Other services | 2008 |
| Fensfit Ltd | Professional & scientific | 2026 |
| Fernhurst Books Limited | Information & communication | 2013 |
| Ferry Road Property Holdings Ltd | Real estate | 2025 |
| FF Intro Limited | Financial services | 2022 |
| FFF BEN Espley Limited | Arts & recreation | 2025 |
| FGJ Limited | Administrative & support | 2016 |
| FH Property Investing Limited | Real estate | 2025 |
| FHD Developments Limited | Real estate | 2020 |
| FI Managed Equity Limited | Financial services | 2009 |
| Fiat Fertilitycare Ltd | Professional & scientific | 2018 |
| Field House Residential Care Limited | Health & social care | 2015 |
| Field Overell LLP | | 2011 |
| Fields Court Management Company Limited | Households | 1980 |
| Fiery Feet Limited | Education | 2007 |
| Fifty 50 Studio Limited | Professional & scientific | 2014 |
| FIG Home Ltd | Professional & scientific | 2023 |
| Fill More Storage Limited | Transport & logistics | 2017 |
| Finance Marketing Limited | Professional & scientific | 2017 |
| Financials by DCH Ltd | Professional & scientific | 2018 |
| Finlay Brahman Ltd | Financial services | 2024 |
| Finlay Howe Limited | Information & communication | 2014 |
| Fintechfrenzy Ltd. | Professional & scientific | 2021 |
| Fiona Harpham Mortgage Services Ltd | Financial services | 2016 |
| Fire and Smoke Solutions Limited | Professional & scientific | 2014 |
| Firefly People Development Limited | Professional & scientific | 2020 |
| First Choice GAS UK Ltd | Wholesale & retail | 2025 |
| First Cosmetics Limited | Wholesale & retail | 2019 |
| First Standard Ltd | Professional & scientific | 2026 |
| Firstdata Consultants Limited | Information & communication | 1999 |
| Fitrite Wardrobes of Leamington Limited | Manufacturing | 2006 |
| Fitzpatrick Consultants Limited | Professional & scientific | 2024 |
| Fitzpatrick Fitters Ltd | Construction | 2003 |
| FIX That Fence Ltd | Other services | 2025 |
| Fixiq Ltd | Wholesale & retail | 2025 |
| Flamex Fire Protection Limited | Professional & scientific | 2012 |
| Flamingo Marketing Strategies Limited | Administrative & support | 2019 |
| Flash Alloys Ltd | Manufacturing | 2020 |
| Flat CAP International Limited | Administrative & support | 2018 |
| Flatworld Estates Limited | Real estate | 2004 |
| Fleeting Glimpse Ltd | Professional & scientific | 2008 |
| Fleets International Enterprises Limited | Professional & scientific | 2016 |
| Flexi DEX Limited | Wholesale & retail | 2025 |
| Flexilibrium Limited | Professional & scientific | 2018 |