| Frigenti Place Estate Management Co Ltd | Households | 2009 |
| Friningham Manor Enterprises Limited | Agriculture & fishing | 2015 |
| Frio Properties Ltd | Real estate | 2022 |
| Frio Propreties 5 Ltd | Real estate | 2025 |
| FRM Consulting Ltd | Professional & scientific | 2019 |
| Frog Creation Systems Limited | Extraterritorial | 2003 |
| Frontier Business Consulting Limited | Administrative & support | 2017 |
| Frontline Floorcoverings Ltd | Administrative & support | 2018 |
| Frost Properties & Lettings Ltd | Real estate | 2023 |
| Frozen Clouds Limited | Health & social care | 2012 |
| FRR Construction Ltd | Construction | 2019 |
| Fruit and Forest Ltd | Agriculture & fishing | 2023 |
| Fruition Technologies Ltd | Manufacturing | 2009 |
| FS Waste Solutions Ltd | Water & waste | 2000 |
| Fsik Consultancy Ltd | Administrative & support | 2021 |
| FST Engineering Ltd | Wholesale & retail | 2020 |
| FST Group Kent Ltd | Education | 2024 |
| FT Engineering (Fleet) Ltd | Professional & scientific | 2024 |
| FT Euro Logistics Ltd | Transport & logistics | 2026 |
| FT Group (Fleet) Limited | Financial services | 2024 |
| FT Investors Limited | Professional & scientific | 2010 |
| Ftjz Ltd | Professional & scientific | 2026 |
| FTK Gaming Network Ltd | Wholesale & retail | 2009 |
| FTK Investments Limited | Real estate | 2024 |
| FTX Ltd | Education | 2020 |
| Fulcrum Global Group Limited | Financial services | 2019 |
| Fulcrum Private Clients Limited | Financial services | 2016 |
| Fulfill Football Coaching Limited | Education | 2026 |
| Full Circle Technical Recruitment Ltd | Administrative & support | 2024 |
| Full Experience Travel Ltd | Administrative & support | 2023 |
| Full Force Activity Group Ltd | Arts & recreation | 2026 |
| Full Property Care Limited | Construction | 2024 |
| Full Tank Eliquid Limited | Wholesale & retail | 2023 |
| Fuller Technical Elevator Services Limited | Construction | 2020 |
| Fullers Fish Ltd Ltd | Hospitality | 2024 |
| Fully Equipped Mechanical Ltd | Manufacturing | 2008 |
| Fully Loaded Innovations Limited | Manufacturing | 2022 |
| Functional Science Ltd | Wholesale & retail | 2023 |
| Funding for ALL | Education | 2012 |
| Funky Feast Ltd | Hospitality | 2021 |
| Funshine Festival Ltd | Arts & recreation | 2023 |
| Furlong Finance Limited | Financial services | 2025 |
| Furlong Services Limited | Other services | 2016 |
| Furnisupply Co Ltd | Wholesale & retail | 2024 |
| Furnitubes International Limited | Manufacturing | 1977 |
| Fusion Initiative Limited | Financial services | 2001 |
| Fusion Maidstone | Other services | 2003 |
| Fusion Marketing Services Limited | Professional & scientific | 1994 |
| Futsl Ltd | Transport & logistics | 2018 |
| FUTUR3 YOU Ltd | Arts & recreation | 2019 |
| Future Idea Global Limited | Financial services | 2026 |
| Future Minds Tuition Ltd | Education | 2023 |
| Future Safe Vaults Ltd | Wholesale & retail | 2017 |
| Future Schools Trust | Education | 2007 |
| Futuregate Logistics Ltd | Transport & logistics | 2025 |
| Futureproof (Kent) Limited | Extraterritorial | 2024 |
| Futures for Children Limited | Health & social care | 1998 |
| Futures for Shared Lives Limited | Health & social care | 2019 |
| Futurexi Ltd | Education | 2024 |
| Futurity Technology UK Limited | Information & communication | 2012 |
| FXP Limited | Real estate | 2024 |
| FZ Property Ltd | Real estate | 2022 |
| Fzdm Services Ltd | Information & communication | 2022 |
| G & H Boxshall Ltd | Professional & scientific | 2011 |
| G 2 Rail Ltd | Construction | 2016 |
| G C T Developments Limited | Construction | 2009 |
| G C T Future Developments Limited | Real estate | 2019 |
| G C T Holdings Limited | Financial services | 2019 |
| G D B Building Services Ltd | Administrative & support | 2012 |
| G D Gorman Limited | Transport & logistics | 2009 |
| G Freight Express Ltd | Wholesale & retail | 2021 |
| G Lawrence Property Maintenance Limited | Construction | 2005 |
| G S LEE Limited | Construction | 2013 |
| G&C Construction Limited | Construction | 2019 |
| G&I Trans UK Ltd | Transport & logistics | 2015 |
| G&L Infinite Ltd | Wholesale & retail | 2020 |
| G&S Oast Cowl Refurbishment Limited | Construction | 2024 |
| G. Peters Carpentry Limited | Manufacturing | 2019 |
| G.A. Evans (Aerial Systems) Limited | Information & communication | 1974 |
| G.A.D. Scaffolding Limited | Construction | 2020 |
| G.B. Marine Limited | Administrative & support | 2000 |
| G.B. Tatham & Co. Limited | Construction | 1979 |
| G.C Industrial Heating Services Ltd | Construction | 2024 |
| G.E.T.B.S Ltd | Real estate | 2010 |
| G.Petkov Ltd | Health & social care | 2014 |
| G9 Protective Services Ltd | Administrative & support | 2019 |
| Gabai Limited | Construction | 2015 |
| Gabriel Court RTM Company Limited | Households | 2018 |
| Gabriel Services Ltd | Construction | 2025 |
| Gabriela Peneda Ltd | Information & communication | 2025 |
| Gabriels Hill Practice Ltd | Health & social care | 2017 |
| GAG 2020 Ltd | Transport & logistics | 2020 |
| Gainground Management Company Limited | Households | 1997 |
| Gainline Consultants Ltd | Professional & scientific | 2014 |
| Galatsaray Ltd | Hospitality | 2025 |
| Galax EYE Limited | Professional & scientific | 2024 |
| Gallagher Aggregates Limited | Mining & quarrying | 1988 |
| Gallagher Air LLP | | 2011 |
| Gallagher Bloodstock Limited | Agriculture & fishing | 1988 |
| Gallagher Concrete Limited | Manufacturing | 1999 |