| Fishermen's Retreats Limited | Real estate | 2025 |
| Fit Minute Ltd | Wholesale & retail | 2019 |
| Fitness Worx (Southam) Ltd | Arts & recreation | 2018 |
| Fitness Worx (Warwick) Ltd | Arts & recreation | 2015 |
| Fitness Worx Academy Limited | Arts & recreation | 2019 |
| Fitness Worx Limited | Arts & recreation | 2014 |
| Five Star Nails ATL Ltd | Other services | 2018 |
| Five Three Seven Ltd | Professional & scientific | 2015 |
| Fixtroni Co., Ltd | Administrative & support | 2024 |
| FJ Import and Export Co., Ltd | Administrative & support | 2022 |
| Flashforge Technology Co., Ltd | Administrative & support | 2014 |
| FLC Enterprises Ltd | Professional & scientific | 2025 |
| Fletchers Park Estates Ltd | Real estate | 2025 |
| Fletchers Trading Ltd | Construction | 2018 |
| Flinky Technology Co., Limited | Administrative & support | 2025 |
| Float & Wellness Spa Ltd | Health & social care | 2025 |
| Floreat Limited | Professional & scientific | 2022 |
| Florence Homes & Rooms (Brockenhurst) Limited | Real estate | 2022 |
| Florence Homes & Rooms (Walsgrave) Limited | Real estate | 2019 |
| Flunan Chemicals Company Limited | Administrative & support | 2024 |
| FLY Cat Ltd | Wholesale & retail | 2022 |
| FM619 Technolog Ltd | Wholesale & retail | 2024 |
| FMG Property Group Ltd | Real estate | 2026 |
| Focus Foster Care Limited | Health & social care | 2015 |
| Focus Y.T.A Group Co., Limited | Extraterritorial | 2018 |
| Foddies Collectables Limited | Wholesale & retail | 2003 |
| FOR Schools Support Limited | Education | 2005 |
| Forceport Limited | Administrative & support | 2017 |
| Forever Marine Service Co., Ltd | Extraterritorial | 2018 |
| Forlab Industrial Co., Ltd | Administrative & support | 2013 |
| Formations Plus Ltd | Administrative & support | 2019 |
| Forrest Coffee House Ltd | Wholesale & retail | 2019 |
| Forwin Marine Services Limited | Administrative & support | 2015 |
| Foshan Baraka Trading Co., Ltd | Administrative & support | 2021 |
| Foshan Macy Garment Trading Co., Ltd | Wholesale & retail | 2021 |
| Foshan Wang Ming HU Import and Export Trading Co., Ltd. | Administrative & support | 2021 |
| Foshan Zenique Technology Co., Ltd | Administrative & support | 2024 |
| Foura Industrial Holding Co., Ltd. | Extraterritorial | 2017 |
| FOX Windows & Doors Ltd | Construction | 2016 |
| Foxford Associates Limited | Real estate | 2019 |
| Foxwood House Chipping Campden Ltd | Real estate | 2022 |
| FQL Trading Ltd | Wholesale & retail | 2026 |
| Francis Barnett Ltd | Wholesale & retail | 2014 |
| Francis Barnett Motorcycles Ltd | Professional & scientific | 2000 |
| Frank Maschinen-Technik Ltd | Extraterritorial | 2015 |
| Frank Solutions Limited | Professional & scientific | 1997 |
| Franklin & Sons Pest Control Ltd | Administrative & support | 2025 |
| Frascella Design Limited | Professional & scientific | 2023 |
| Fraser and Blue Ltd | Construction | 2017 |
| Fraser Otis Limited | Professional & scientific | 2000 |
| Fredz Sweets N Treatz Ltd | Hospitality | 2020 |
| Free Gift Limited | Manufacturing | 2023 |
| Freedom Links Co., Ltd | Administrative & support | 2023 |
| Freeman Asian Holding Ltd | Professional & scientific | 2016 |
| Fresh Fields Haven Limited | Agriculture & fishing | 2026 |
| Fruit Diversity Limited | Manufacturing | 2016 |
| Frythe Close Management Limited | Households | 1994 |
| FSL Trading Limited | Wholesale & retail | 2026 |
| FTY Filters Co., Ltd | Administrative & support | 2019 |
| FU Jian MIN Xing Trade Co., Limited | Manufacturing | 2023 |
| FU Sheng Co., Ltd | Wholesale & retail | 2020 |
| Fule International Limited | Administrative & support | 2015 |
| Fulejia International Trading Co., Ltd | Professional & scientific | 2015 |
| Fulinzhimei Garment.Co. Ltd | Manufacturing | 2024 |
| Full Capture Ltd | Information & communication | 2022 |
| Full Capture Media Ltd | Information & communication | 2022 |
| Full Global Logistic Solutions Limited | Administrative & support | 2014 |
| FUN Foodie Group Ltd | Hospitality | 2023 |
| Funbox Game Co. Ltd | Extraterritorial | 2023 |
| Furong Asia Pactific Co., Limited | Manufacturing | 2024 |
| Further Lead Trading Co., Ltd | Administrative & support | 2021 |
| Fusion Retro Books Ltd | Information & communication | 2014 |
| Futura Management Solutions Limited | Professional & scientific | 2024 |
| Future Property Holdings Limited | Real estate | 2016 |
| Fuwa Heavy Industry Company Limited | Extraterritorial | 2017 |
| G & T Osteopaths Ltd | Health & social care | 2013 |
| G G a Wall Tools Limited | Wholesale & retail | 2016 |
| G J Bott Limited | Administrative & support | 2005 |
| G R & C Consulting Limited | Professional & scientific | 2021 |
| G. & G. Pump Services Limited | Water & waste | 1994 |
| G.D.T. (Kenilworth) LLP | | 2010 |
| G.H.Ratcliffe Investments Limited | Real estate | 1972 |
| G.R.M. Consulting Limited | Information & communication | 2003 |
| G5 Hopitality Ltd | Hospitality | 2025 |
| Gabriela Kridlova Services Ltd | Professional & scientific | 2026 |
| Gain Design Limited | Professional & scientific | 2022 |
| Galaxy Culture Media Limited | Wholesale & retail | 2024 |
| GAM Home Loan Specialists Limited | Financial services | 2014 |
| Gaming Innovations Limited | Professional & scientific | 2015 |
| Gangfeng Shipping Agency Co., Ltd. | Administrative & support | 2019 |
| Ganka Cleaning Services Ltd | Administrative & support | 2016 |
| Garonna Limited | Administrative & support | 2025 |
| Gasignition Limited | Wholesale & retail | 2006 |
| Gateway One Limited | Construction | 2013 |
| Gather Inn Ltd | Education | 2013 |
| GBR Autocare Ltd | Wholesale & retail | 2018 |
| GBS Procure Limited | Professional & scientific | 2018 |
| GCB Design Ltd. | Professional & scientific | 2018 |
| GCS Products Solution Co., Ltd | Extraterritorial | 2017 |
| GDT Autos Limited | Wholesale & retail | 2013 |