| Foneshack (UK) Limited | Wholesale & retail | 2005 |
| Fontaine Fruits Limited | Wholesale & retail | 2003 |
| Food Drink & Dreams Ltd | Hospitality | 2023 |
| Food Folks (Staffordshire) Limited | Hospitality | 2021 |
| Food Safety & Quality Limited | Administrative & support | 2018 |
| Foodsafe Environments Limited | Construction | 2019 |
| Foordy Fitness Limited | Real estate | 2002 |
| Foray Asia (UK) Limited | Wholesale & retail | 2023 |
| Forbidden Planet Earth Limited | Extraterritorial | 2024 |
| Force 12 Limited | Information & communication | 2018 |
| Force Fire and Security Ltd | Construction | 2023 |
| Ford Electronics Limited | Manufacturing | 1976 |
| Foregate Street Vintage Emporium Ltd | Wholesale & retail | 2021 |
| Foreign Language Services Limited | Professional & scientific | 1971 |
| Forest Drive Residents (Management Co.) Limited | Households | 2019 |
| Forest Footsteps Limited | Education | 2019 |
| Forest Gates and Doors Ltd | Manufacturing | 2018 |
| Form Exhibitions Ltd | Professional & scientific | 2023 |
| Fortunepay Limited | Manufacturing | 2024 |
| Forty Four Promotions Co. Ltd | Wholesale & retail | 2021 |
| Forward Global Co., Ltd | Extraterritorial | 2018 |
| Fostercloud Limited | Information & communication | 2021 |
| Fosters Foliage by Design Limited | Other services | 1984 |
| Fosters Joinery & Building Limited | Construction | 2017 |
| Fosters Power Piping Limited | | 1960 |
| Found for YOU Ltd | Wholesale & retail | 2023 |
| Fountain Financial Limited | Financial services | 2020 |
| Four Petals Properties Limited | Real estate | 2011 |
| Four Red Herrings Ltd | Hospitality | 2011 |
| Four Spices Stafford Ltd | Hospitality | 2025 |
| Fourseas International Ltd | Manufacturing | 2023 |
| FOX and Duck Software Limited | Information & communication | 2015 |
| FOX Earth Sports Prestige and 4X4 Limited | Wholesale & retail | 2017 |
| Foxall Consulting Ltd | Professional & scientific | 2021 |
| Foxley Earthworks Limited | Construction | 2014 |
| Foxley Plant Limited | Construction | 2014 |
| Foxsew Sewing Machine Co., Ltd | Extraterritorial | 2012 |
| Foxtrot WCS Limited | Administrative & support | 2022 |
| FP Houseware Limited | Manufacturing | 2023 |
| Fpow Ltd | Real estate | 2025 |
| FR33BZ Ltd | Manufacturing | 2025 |
| Fracht Logistics Limited | Transport & logistics | 2026 |
| Fradswell Holdings Ltd | Financial services | 2022 |
| Fragment Brands Limited | Extraterritorial | 2019 |
| Fran Logistics Ltd | Transport & logistics | 2021 |
| France Aimashi Group Co., Ltd | Wholesale & retail | 2025 |
| France Telecom Services Limited | Information & communication | 2018 |
| Francesco Eccleshall Ltd | Other services | 2025 |
| Francesco Group (Holdings) Limited | Other services | 1978 |
| Francis & Co Accounting and Taxation Services Limited | Professional & scientific | 2002 |
| Frank Wright Developments Ltd | Real estate | 2022 |
| Frankies Creations Limited | Manufacturing | 2025 |
| Fraydon Ltd | Wholesale & retail | 2025 |
| Free Hold Stafford Limited | Financial services | 2023 |
| Freebz Ltd | Wholesale & retail | 2023 |
| Freedom Network International | Other services | 2007 |
| Freedom Properties Limited | Construction | 1983 |
| Freedom Support Ltd | Health & social care | 2011 |
| Freestep Limited | Manufacturing | 2011 |
| Freestep Superfix Limited | Other services | 2017 |
| Freezetech UK Limited | Wholesale & retail | 2021 |
| Frelo Trading Limited | Wholesale & retail | 2025 |
| Fresh CUP Coffee Limited | Hospitality | 2021 |
| Fresh Flooring Ltd | Wholesale & retail | 2012 |
| Friends of Ingestre Orangery | Arts & recreation | 2012 |
| Fries Crop Science Australia Limited | Mining & quarrying | 2025 |
| From the Beehive Ltd. | Agriculture & fishing | 2024 |
| Fromzero Media Limited | Professional & scientific | 2023 |
| Frostlinx Ltd | Real estate | 2003 |
| Fryer Works Limited | Administrative & support | 2025 |
| FSE Foods Ltd | Wholesale & retail | 2015 |
| Fubing INT Co., Ltd | Manufacturing | 2024 |
| Fuhuodian Energy Solutions Limited | Wholesale & retail | 2025 |
| Fuioupay UK Limited | Other services | 2020 |
| Fukong Technology Ltd | Wholesale & retail | 2025 |
| Fumsam Consulting Ltd | Wholesale & retail | 2017 |
| Functional Testing Limited | Professional & scientific | 2022 |
| Funky Yukka Ltd | Extraterritorial | 2016 |
| Fusion Communications UK Limited | Administrative & support | 2000 |
| Future 14 Ltd | Real estate | 2020 |
| Future Composites Limited | Professional & scientific | 2016 |
| Future Gate International Co., Ltd | Wholesale & retail | 2025 |
| Future Horizons Support Limited | Real estate | 2015 |
| Future Machinery Co., Ltd | Extraterritorial | 2018 |
| Futureai Technology Limited | Wholesale & retail | 2025 |
| Futuristic Polar Bears Limited | Information & communication | 2012 |
| Futuvape Group Ltd | Manufacturing | 2024 |
| Fuye Enterprises Co., Ltd | Extraterritorial | 2011 |
| Fuzzy PUB Co Ltd | Hospitality | 2026 |
| FVJ Europe Limited | Administrative & support | 2009 |
| FXT Performance Ltd | Arts & recreation | 2024 |
| Fyanan FAN Limited | Wholesale & retail | 2025 |
| G H Brickwork Ltd | Construction | 2023 |
| G Hodson & SON (Holdings) Ltd | Financial services | 2019 |
| G I B Services Limited | Wholesale & retail | 2025 |
| G W Home Improvements & Property Maintenance Ltd | Construction | 2018 |
| G&R Partnerships Limited | Professional & scientific | 2025 |
| G&S Motor Service Repair Ltd | Wholesale & retail | 2025 |
| G&S Motor Services Limited | Wholesale & retail | 2016 |
| G. Hodson and SON (Motor Sales) Limited | Wholesale & retail | 1976 |