| Folkestone Capital Limited | Real estate | 2015 |
| Folkestone Coastal Property Limited | Real estate | 2014 |
| Folkestone Comedy Ltd | Arts & recreation | 2022 |
| Folkestone Community Fridge CIC | Hospitality | 2023 |
| Folkestone Curry House Limited | Hospitality | 2023 |
| Folkestone Ethos School Improvement Limited | Education | 2012 |
| Folkestone First Timers CIC | Education | 2023 |
| Folkestone Fringe:Borderland Projects CIC | Education | 2026 |
| Folkestone Gaming Ltd | Wholesale & retail | 2017 |
| Folkestone Gardening Services Ltd | Administrative & support | 2019 |
| Folkestone Harbour Railway Limited | Transport & logistics | 2010 |
| Folkestone Home Care Ltd | Health & social care | 2017 |
| Folkestone Hythe & District Hotel & Cateringassociation Limited | Hospitality | 1961 |
| Folkestone Hythe & District Mencap Ltd | Other services | 2002 |
| Folkestone Invicta F.C. Limited | Arts & recreation | 2001 |
| Folkestone Jiujitsu Team Ltd | Arts & recreation | 2023 |
| Folkestone Live CIC | Arts & recreation | 2025 |
| Folkestone Marketing Co Limited | Professional & scientific | 2026 |
| Folkestone Mobility Ltd | Wholesale & retail | 2020 |
| Folkestone Motors Ltd | Wholesale & retail | 2019 |
| Folkestone Music Town CIC | Information & communication | 2023 |
| Folkestone Nail Spa Ltd | Other services | 2023 |
| Folkestone Prime Ltd | Hospitality | 2012 |
| Folkestone Rainbow Centre | Health & social care | 2001 |
| Folkestone Rescue Ltd | Arts & recreation | 2015 |
| Folkestone Rugby Club Limited | Arts & recreation | 2011 |
| Folkestone Spiritualist Centre Community Interest Company | Health & social care | 2024 |
| Folkestone ST Mary's Church of England Primary Academy | Education | 2013 |
| Folkestone Top Carwash Ltd | Other services | 2024 |
| Folkestone Vehicle Rentals Limited | Other services | 2008 |
| Folkestoneprinting.Com Limited | Manufacturing | 2007 |
| Folkewood Studios Ltd | Information & communication | 2026 |
| Folkey Birth Club CIC | Other services | 2024 |
| Folkprop Limited | Real estate | 2015 |
| Follow Your Heart Productions Ltd | Arts & recreation | 2025 |
| Food DIY Ltd | Hospitality | 2026 |
| Foothouse Limited | Health & social care | 2011 |
| Forbes Enterprise Solutions Ltd | Administrative & support | 2011 |
| Foredia Limited | Information & communication | 2010 |
| Forerunner Commerce Ltd | Wholesale & retail | 2012 |
| Forerunner Properties Ltd | Real estate | 2022 |
| Forge Films Limited | Information & communication | 2017 |
| Forged in Fabric Ltd | Wholesale & retail | 2025 |
| Form and Matter Ltd | Manufacturing | 2024 |
| Formsolve Ltd | Extraterritorial | 2022 |
| Formwork Equipment Southern Limited | Construction | 2021 |
| Forte Financial Services Ltd | Financial services | 2017 |
| Forward Plan Limited | Financial services | 2012 |
| Forwardsure Property Management Limited | Real estate | 2000 |
| Foundry Strength Limited | Arts & recreation | 2025 |
| Foundry Studio (UK) Limited | Information & communication | 2011 |
| FOX and Oak Ltd | Administrative & support | 2025 |
| Foxton Pizza Ltd | Hospitality | 2025 |
| Foxwood I.T. Limited | Information & communication | 1999 |
| Franchise Retail Group Limited | Professional & scientific | 2022 |
| Frazer Railway Consultancy Limited | Professional & scientific | 2013 |
| FRC Commercial Enterprises Ltd | Administrative & support | 2016 |
| Free Ride Films Ltd | Information & communication | 2014 |
| Freeup Space Limited | Transport & logistics | 2025 |
| Fresh in Town Ltd | Hospitality | 2024 |
| Fresh Take Talent Ltd | Administrative & support | 2023 |
| Fresh Tech Services Limited | Professional & scientific | 2016 |
| Freshlick Ltd | Extraterritorial | 2022 |
| Freshmarkom Ltd | Information & communication | 2020 |
| Frizbee Ltd | Wholesale & retail | 2003 |
| Frogholt Farm Limited | Agriculture & fishing | 2018 |
| Frolic Films Ltd | Information & communication | 2009 |
| Frolic Studios Ltd | Information & communication | 2024 |
| Frontier Electrical Services Limited | Construction | 2009 |
| Frost Groundworks Ltd | Construction | 2026 |
| Fruit VEG Ltd | Wholesale & retail | 2024 |
| FS Solhan Estate Limited | Real estate | 2026 |
| FSS Limited | Extraterritorial | 1999 |
| Ftfa Limited | Professional & scientific | 2006 |
| Fudge Kitchen Group Limited | Financial services | 2022 |
| Fudge Kitchen Group Trustee Limited | Extraterritorial | 2022 |
| Fudge Kitchen Ltd | Manufacturing | 2010 |
| Fuggle Brothers Limited | Construction | 2016 |
| Fully Managed Limited | Real estate | 2008 |
| Fulwich Hotel Limited | Hospitality | 2015 |
| Funky Orange Connect Ltd | Information & communication | 2015 |
| Furious Services Ltd | Manufacturing | 2019 |
| Furneaux Estates Ltd | Real estate | 2024 |
| Fuse Rail Limited | Construction | 2014 |
| Fused Group Ltd | Construction | 2018 |
| Futurehubmart Ltd | Wholesale & retail | 2025 |
| FV Services Ltd | Wholesale & retail | 2025 |
| G & D Properties Limited | Real estate | 2001 |
| G & M Distributors Ltd | Wholesale & retail | 2024 |
| G a Alliance Europe Ltd | Transport & logistics | 2013 |
| G C Smarter Homes Ltd | Construction | 2013 |
| G Mobile Limited | Wholesale & retail | 2021 |
| G R Marine Limited | Construction | 2016 |
| G Service Power Limited | Wholesale & retail | 2014 |
| G&H Plumbing Ltd | Construction | 2025 |
| G.E.D. South East Limited | Real estate | 2006 |
| G2 Energy Limited | Construction | 2023 |
| Gaas World Limited | Hospitality | 2024 |
| Gables Hotel Bristol Limited | Hospitality | 2026 |
| Gables Hotel Holdings Ltd | Real estate | 2026 |