| Finding Your Balance Coaching Ltd | Administrative & support | 2021 |
| Fine Finish Decor (S.E.) Limited | Construction | 2021 |
| Finesse Fit OUT Ltd | Construction | 2023 |
| Finn and ALS Catering Ltd | Hospitality | 2022 |
| Finza Global Limited | Information & communication | 2026 |
| First Flight Brewing Ltd | Manufacturing | 2024 |
| Firwood CRT Development Limited | Construction | 2024 |
| Fish Hook Careers Limited | Administrative & support | 2014 |
| FIT2FLEX Ltd | Arts & recreation | 2017 |
| Fitzliving Ltd | Real estate | 2026 |
| Flamingo Cleaning Services Limited | Administrative & support | 2009 |
| Flaresearch Ltd | Administrative & support | 2023 |
| Flawless Decorating and Plastering Services Limited | Construction | 2023 |
| Fletcher Property Ventures Ltd | Real estate | 2025 |
| Fleur Signs Limited | Professional & scientific | 2007 |
| Flexicon (Europe) Limited | Manufacturing | 1990 |
| Flexy Support Limited | Other services | 2024 |
| Florio Golf Ltd | Education | 2025 |
| Flory & Black Ltd. | Wholesale & retail | 2013 |
| Flossing Training Ltd | Arts & recreation | 2024 |
| Flourish and Thrive Consultancy Limited | Professional & scientific | 2020 |
| Flowers & Felicitys Ltd | Wholesale & retail | 2025 |
| Flying Colours Smart Repairs Ltd | Extraterritorial | 2023 |
| FMC Gosling Properties Limited | Real estate | 2014 |
| Foad Removals LLP | | 2024 |
| Folkarch Limited | Real estate | 1986 |
| Folkestone Holidays Ltd | Real estate | 2021 |
| Folkestone Property Management Ltd | Real estate | 2022 |
| Fools Film Ltd | Information & communication | 2023 |
| FOR Sight Risk Consultancy Ltd | Professional & scientific | 2018 |
| FOR the Love of Pets Ltd | Wholesale & retail | 2026 |
| Forest Carpentry South East Ltd | Construction | 2020 |
| Forest Projects South East Ltd | Construction | 2024 |
| Foreza Consulting Limited | Professional & scientific | 2011 |
| Format Carpentry Services Ltd | Construction | 2012 |
| Forme Group Ltd | Arts & recreation | 2026 |
| Forty-One Consult and Design Ltd | Professional & scientific | 2025 |
| Fossey Warren Limited | Professional & scientific | 2008 |
| Founders First Group Ltd | Professional & scientific | 2026 |
| Four Seasons Consultancy Limited | Real estate | 2013 |
| Four Seasons Kent Ltd | Hospitality | 2023 |
| Four Square Partnership Limited | Real estate | 1991 |
| Four Winds Developments LLP | | 2010 |
| Fowkes Security Ltd | Administrative & support | 2019 |
| FOX DRY Cleaners (Tankerton) Limited | Other services | 2008 |
| Foxes Property Services Limited | Construction | 2025 |
| FRA Travel Ltd | Extraterritorial | 2022 |
| Fred & Ginger (Developments) Ltd | Construction | 2026 |
| Fred & Ginger (Homes & Gardens) Ltd | Construction | 2026 |
| Freebird Productions Limited | Administrative & support | 2024 |
| Freedom Media Collective Ltd | Administrative & support | 2019 |
| French Made Easy Ltd | Education | 2025 |
| Fresh Impetus Ltd | Professional & scientific | 2014 |
| Friars Property Services Limited | Administrative & support | 2009 |
| Friendly Socials Ltd | Professional & scientific | 2025 |
| Frost Renovation Ltd | Construction | 2024 |
| Frozenfoodsbiz Ltd | Information & communication | 2013 |
| FS Advisor London Ltd | Professional & scientific | 2021 |
| Fully 360 Ltd | Professional & scientific | 2017 |
| Funambulism Limited | Information & communication | 2022 |
| Furfield Management Company Limited | Households | 2007 |
| Furzton Holdings Ltd | Wholesale & retail | 2018 |
| Futuretech Security Solutions (Kent) Limited | Administrative & support | 2025 |
| FX Interiors Ltd | Construction | 2020 |
| G & F Building Ltd | Construction | 2017 |
| G B Green Limited | Wholesale & retail | 1998 |
| G K Barclay Limited | Construction | 1998 |
| G W Evans Contracts Limited | Construction | 2008 |
| G W Evans Limited | Administrative & support | 2014 |
| G-Tec Manufacturing (UK) Ltd | Manufacturing | 2019 |
| GA Energy Solutions Limited | Professional & scientific | 2020 |
| Galtee Estates Limited | Real estate | 2019 |
| Gambrill (Consulting Services) Ltd | Professional & scientific | 2024 |
| Gamefit London Ltd | Arts & recreation | 2024 |
| Gaming Hive Limited | Information & communication | 2021 |
| Gann & Brown,Limited | Wholesale & retail | 1903 |
| Garchriel Ltd | Real estate | 2023 |
| Gardenfolk Design Ltd | Administrative & support | 2023 |
| Gareth Coult Brickwork Ltd | Construction | 2015 |
| Garment Supplier Limited | Wholesale & retail | 2023 |
| GAS Pipeline Installations Ltd | Administrative & support | 2025 |
| Gawler Holdings Limited | Professional & scientific | 1994 |
| Gaytri UK Limited | Manufacturing | 2026 |
| GCT Consultants Ltd | Professional & scientific | 2023 |
| GDK Logistics Ltd | Transport & logistics | 2018 |
| GEC PN Ltd | Professional & scientific | 2026 |
| Genelectrical Services Ltd | Energy | 2008 |
| General Maintenance Solutions Limited | Administrative & support | 2017 |
| Genesta Ltd | Professional & scientific | 2022 |
| George & Co (Audit) Limited | Professional & scientific | 1996 |
| George & Co UK Limited | Extraterritorial | 2009 |
| George & Josh Wilson Limited | Construction | 2021 |
| George Roche Road Block H Freehold Management Company Limited | Households | 2026 |
| George Wilson Construction Limited | Construction | 1980 |
| George Wilson Developments (Grasmere Gardens) Limited | Construction | 2023 |
| George Wilson Developments Limited | Construction | 1982 |
| George Wilson Holdings Limited | Financial services | 1989 |
| George Wilson Properties LLP | | 2012 |
| German Vehicle Care Ltd | Wholesale & retail | 2016 |
| Getmooves Ltd | Transport & logistics | 2025 |