| Eruditology Limited | Information & communication | 2018 |
| Escape Holiday Ventures Limited | Hospitality | 2017 |
| Escapics Limited | Information & communication | 2021 |
| ESM Group ALB Ltd | Construction | 2026 |
| Essee Property Investments Ltd | Real estate | 2025 |
| Este Limited | Real estate | 2004 |
| Estrela Marketing Ltd | Information & communication | 2024 |
| Etchinghill Golf Trust | Health & social care | 2021 |
| Etchinghill Management Company Limited | Households | 1997 |
| ETE Legal Ltd | Professional & scientific | 2024 |
| Eubu Solutions Ltd | Professional & scientific | 2020 |
| Euro Medical Supplies Ltd | Wholesale & retail | 2026 |
| Europe to UK Pet Taxi Ltd | Transport & logistics | 2024 |
| European Moving Limited | Information & communication | 2024 |
| European Pet Travel Ltd | Administrative & support | 2020 |
| Europorte Channel UK Limited | Transport & logistics | 2019 |
| Eurotunnel Services Limited | Transport & logistics | 1987 |
| Eurowide Imports Limited | Wholesale & retail | 2020 |
| Evac Properties Limited | Real estate | 2026 |
| Evconnect South East Ltd | Construction | 2021 |
| Eventing Ltd | Arts & recreation | 2019 |
| Everest Security Limited | Administrative & support | 2004 |
| Evergreenkent Limited | Other services | 2022 |
| Every Birth Education Ltd | Professional & scientific | 2025 |
| Everything East Productions Limited | Arts & recreation | 2017 |
| EVOKE17 Ltd | Information & communication | 2025 |
| Evolvere Ltd | Administrative & support | 2024 |
| Excell Electrical Event Solutions Limited | Construction | 2015 |
| Exclusive 11 Limited | Health & social care | 2020 |
| Exclusive Investors Group Ltd | Real estate | 2023 |
| Explainable AI (XAI) Healthcare Systems Ltd | Extraterritorial | 2021 |
| Explorer Associates Limited | Wholesale & retail | 1998 |
| Express Essentials Limited | Wholesale & retail | 2025 |
| F a Butt Limited | Arts & recreation | 2009 |
| F.A. Dumont Ltd | Wholesale & retail | 2023 |
| Fabs Solutions Limited | Information & communication | 2026 |
| Fadomi Trans Limited | Transport & logistics | 2025 |
| Fair Meadow Developments Limited | Construction | 2003 |
| Fair View Accountancy LLP | | 2019 |
| Fairview Firewood Ltd | Wholesale & retail | 2024 |
| Faith Foot Care Limited | Public administration | 2021 |
| Fame Bureau Limited | Information & communication | 2015 |
| Farndale Communications Limited | Information & communication | 2007 |
| Fasi Traders Ltd | Wholesale & retail | 2022 |
| Fatiha's Flame Ltd | Hospitality | 2026 |
| Favourable Outcomes Ltd | Wholesale & retail | 2018 |
| Fawell Whitton PFC Limited | Professional & scientific | 2011 |
| FC Safeguarding Solutions Ltd | Administrative & support | 2025 |
| FD Forwarding Ltd | Transport & logistics | 2025 |
| FDC Homes Limited | Construction | 2001 |
| FDD (Services) Ltd | Real estate | 2013 |
| Fedus Limited | Wholesale & retail | 2022 |
| Feizler Ltd | Wholesale & retail | 2024 |
| Fella (Folkestone) Limited | Other services | 2017 |
| Fend Team Limited | Information & communication | 2026 |
| Fenrir Entertainment Limited | Administrative & support | 2016 |
| Feoh AI Limited | Information & communication | 2024 |
| Feral State School CIC | Education | 2026 |
| Ferguson West Limited | Professional & scientific | 2015 |
| Ferne Construction Services Ltd | Construction | 2021 |
| Fernlea Kent Limited | Real estate | 1986 |
| Ferrum & Hide Limited | Manufacturing | 2016 |
| Festival of Spirit Limited | Professional & scientific | 2007 |
| Fidocs-Uk Ltd | Transport & logistics | 2020 |
| Fika Flooring Limited | Manufacturing | 2025 |
| FIN DE Fiesta CIC | Arts & recreation | 2022 |
| Financial Advice & Services Limited | Financial services | 1990 |
| FIND3ERSKEEPERS Ltd | Wholesale & retail | 2025 |
| Finest Curry Ltd | Hospitality | 2023 |
| First Rate Property Limited | Real estate | 2025 |
| FIRST4COMMS Limited | Information & communication | 2016 |
| Fischer Holdings Limited | Professional & scientific | 2018 |
| Fish & Chips Eastkent Ltd | Hospitality | 2021 |
| Fission Electrical Services Ltd | Construction | 2025 |
| Fission Fire Ltd | Administrative & support | 2025 |
| Fitzpatrick Mechanical Services Limited | Construction | 2003 |
| Five Minute MUM Limited | Information & communication | 2020 |
| FL and GE Limited | Real estate | 2023 |
| FL Driving Services Ltd | Wholesale & retail | 2019 |
| Flatwise Limited | Real estate | 2013 |
| Flisher Energy Limited | Energy | 2014 |
| Flitchcraft Design Studio Ltd | Professional & scientific | 2025 |
| FLO Investments Limited | Financial services | 2016 |
| Florin&Lori Ltd | Hospitality | 2026 |
| Flourish Design Limited | Manufacturing | 2016 |
| Floyd in Folkestone Ltd | Hospitality | 2025 |
| Fluid Solution Events Ltd | Hospitality | 2015 |
| Flush Plumbing (Kent) Ltd | Construction | 2021 |
| Fluxswift Limited | Construction | 1987 |
| Flying for Life Limited | Wholesale & retail | 2010 |
| FNX Stores Ltd | Financial services | 2024 |
| Focus Refurbishment Limited | Construction | 2000 |
| Focus Rubbish Removals Limited | Water & waste | 2025 |
| Foew International Pageant Limited | Wholesale & retail | 2010 |
| Folkeshare CIC | Other services | 2024 |
| Folkestone & Hythe Golf Club Limited | Arts & recreation | 1954 |
| Folkestone Athletic FC CIC | Arts & recreation | 2026 |
| Folkestone Beacon+ Limited | Education | 2019 |
| Folkestone Bowls Association Limited | Arts & recreation | 1965 |
| Folkestone Cabs Vipaws Transfers Ltd | Transport & logistics | 2025 |