| Finch Johnson Holdings Limited | Financial services | 2023 |
| Find Compares Limited | Information & communication | 2019 |
| Fine Interiors Limited | Construction | 2007 |
| Finesse Solutions, Inc. | | 2013 |
| Finfo Ltd | Professional & scientific | 2022 |
| Fire and Thermal Installation Services Ltd | Construction | 2021 |
| Fire Prevention Products Limited | Wholesale & retail | 1993 |
| First Care (TW) Ltd | Health & social care | 2018 |
| First Choice Care Homes Holdings Limited | Other services | 2017 |
| First Choice Care Homes Limited | Health & social care | 2007 |
| Fisher Freight Forwarding Limited | Transport & logistics | 1999 |
| Fishermans Beach Limited | Households | 2015 |
| Fishing IS Therapy CIC | Agriculture & fishing | 2025 |
| Five Hour Club Ltd | Administrative & support | 2024 |
| Five-Ways House Limited | Households | 1995 |
| FK Payroll Invest Ltd | Extraterritorial | 2023 |
| FK Payroll Ltd | Extraterritorial | 2023 |
| Flat Safe Limited | Real estate | 2023 |
| Fletcher & Sons Building Services Ltd | Construction | 2025 |
| Fleuri NO Invest Ltd | Extraterritorial | 2024 |
| Fleuri NO Ltd | Extraterritorial | 2024 |
| FLM Global Technology Invest Ltd | Extraterritorial | 2017 |
| FLM Global Technology Ltd | Extraterritorial | 2017 |
| Flolevo Ltd | Administrative & support | 2025 |
| Floor Slip Test Ltd | Professional & scientific | 2026 |
| Floorgo Limited | Wholesale & retail | 2021 |
| Flourish Care Consultancy SE Ltd | Professional & scientific | 2024 |
| Flourished Consultancy Ltd | Education | 2022 |
| Flourysh Limited | Administrative & support | 2025 |
| Fluent Ginger Limited | Administrative & support | 2006 |
| Folkestone Property Solutions Ltd | Construction | 2018 |
| Folkestone Scaffolding Limited | Construction | 2016 |
| Foodies Favourite Limited | Hospitality | 2024 |
| Footfine Care Ltd | Health & social care | 2022 |
| FORCE4 Consultancy Limited | Information & communication | 2010 |
| Foreign Currency Exchange & Transfers Ltd | Financial services | 2007 |
| Forensit Group Limited | Administrative & support | 2012 |
| Forensit Limited | Administrative & support | 2003 |
| Forrest-Holden Group Ltd | Construction | 2023 |
| Forwoods Music Limited | Wholesale & retail | 2012 |
| Foster & Payne Developments Limited | Construction | 2018 |
| Foster & Payne Homes Ltd | Real estate | 2003 |
| Foster & Payne Investments Limited | Real estate | 2018 |
| Foster & Payne the Beacon Limited | Real estate | 2020 |
| Foxgloves Studio Ltd. | Professional & scientific | 2020 |
| FRA Consult Ltd | Extraterritorial | 2024 |
| Frampton Organic Farm Ltd | Agriculture & fishing | 2022 |
| Franceoffshore Invest PLC | Extraterritorial | 2011 |
| Franzosini & Butti Limited | Administrative & support | 2021 |
| Free Invest Group PLC | Extraterritorial | 2023 |
| Freeman, Pelham & Dawson Ltd | Extraterritorial | 2021 |
| Freeway (UK) Limited | Wholesale & retail | 1995 |
| Freight Clearance Holdings Limited | Financial services | 2021 |
| Freight Clearance Limited | Transport & logistics | 1970 |
| Freight Transport (Holdings) Ltd | Financial services | 2019 |
| Freight Transport Investments Limited | Financial services | 2026 |
| Fresh Toilet Company Ltd | Other services | 2012 |
| Friday Club Prods Ltd | Arts & recreation | 2023 |
| Friends of Frampton Farm CIC | Agriculture & fishing | 2023 |
| Frigo Fruit Logistic Limited | Transport & logistics | 2004 |
| From Trowel to Trees Ltd | Administrative & support | 2022 |
| Frontier Media Limited | Professional & scientific | 2009 |
| Frostair Refrigeration Service Ltd | Manufacturing | 2025 |
| Fulbert Road Properties Limited | Real estate | 2006 |
| Full on Events Ltd | Professional & scientific | 2022 |
| Fuller Life PT Ltd | Arts & recreation | 2024 |
| Fully Juiced Ltd | Wholesale & retail | 2023 |
| Funky Flow Limited | Administrative & support | 2022 |
| Funky Monkey Leisure Limited | Hospitality | 2007 |
| Furnshaw Ltd | Construction | 2018 |
| Future Foundry CIC | Arts & recreation | 2012 |
| Future Inspire Limited | Education | 2016 |
| Future Skills CIC | Administrative & support | 2016 |
| Futureflow Research, Inc. | | 2019 |
| Futuregenio Consulting Limited | Education | 2024 |
| G & B Freight Limited | Administrative & support | 2019 |
| G & D International Transport Ltd | Transport & logistics | 2025 |
| G K Friend Haulage Limited | Transport & logistics | 2013 |
| G K Friend Limited | Transport & logistics | 1988 |
| G Petagna Ltd | Real estate | 2025 |
| G Walmsley Limited | Construction | 2017 |
| G. Elliott & SON Limited | Administrative & support | 2014 |
| Galivs Ltd | Extraterritorial | 2019 |
| Gamble’S Mobile Detailing Ltd | Administrative & support | 2026 |
| Gambrell Consultancy Ltd | Professional & scientific | 2016 |
| Gamebase Retail Limited | Wholesale & retail | 2019 |
| Games on Wheels Investment Limited | Arts & recreation | 2015 |
| Gardners Quay Management Company Limited | Households | 1986 |
| Gateway Training CIC | Education | 2025 |
| GB Commerce Group Invest Ltd | Extraterritorial | 2022 |
| GB Commerce Group Ltd | Extraterritorial | 2022 |
| GB Signs Ltd | Construction | 2017 |
| GCH Pharma Consulting Limited | Professional & scientific | 2011 |
| GDL - German Driver Leasing Limited | Transport & logistics | 2010 |
| GDS Clinicalzest Limited | Information & communication | 2013 |
| Genesis Geology Limited | Mining & quarrying | 2021 |
| Genstar Support Ltd | Professional & scientific | 2006 |
| Gentlemen of FEW Ltd | Extraterritorial | 2013 |
| Gents Barbers Dover Ltd | Other services | 2023 |
| Genwild Ltd | Education | 2026 |