| Forma Strength Limited | Health & social care | 2015 |
| Formation Flooring Limited | Construction | 2011 |
| Formright Limited | Professional & scientific | 2017 |
| Formrite Limited | Manufacturing | 2012 |
| Forsite Engineering Company Limited | Financial services | 1961 |
| Fort Road Hotel Ltd | Real estate | 2018 |
| Forthampton Trustee One Limited | Administrative & support | 2023 |
| Forthampton Trustee Three Limited | Professional & scientific | 2025 |
| Forthampton Trustee Two Limited | Administrative & support | 2023 |
| Fortis Garage Equipment Ltd | Wholesale & retail | 2025 |
| Found Wealth Limited | Financial services | 2025 |
| Founderability CIC | Administrative & support | 2026 |
| Four Degrees Properties & Letting Ltd | Real estate | 2024 |
| Four Golden Apples Ltd | Hospitality | 2017 |
| Four Rivers Renal Services Limited | Health & social care | 2017 |
| Four Roses Limited | Construction | 2018 |
| Fourcott Services Ltd | Administrative & support | 2023 |
| Fourgates of Gloucester Limited | Administrative & support | 2012 |
| Fourstones Property Ltd | Real estate | 2025 |
| Fowler Group Limited | Financial services | 2025 |
| FOX & Spencer Limited | Professional & scientific | 2019 |
| FOX Busters Limited | Arts & recreation | 1987 |
| FOX Elms Properties Ltd | Real estate | 2024 |
| FOX Interiors Limited | Households | 2024 |
| FOX Multimedia Ltd | Information & communication | 2012 |
| FOX Sports Travel Ltd | Administrative & support | 2022 |
| Foxbuilding Limited | Construction | 2023 |
| Foxmoor Fire and Security Limited | Administrative & support | 2016 |
| Foxs Kiln Ltd | Extraterritorial | 2023 |
| Foxwise Properties Ltd | Real estate | 2025 |
| Foxy Fabrics Limited | Wholesale & retail | 2017 |
| Foyez Properties Ltd | Real estate | 2019 |
| FR Electrical Ltd | Construction | 2022 |
| Fraiser Limited | Professional & scientific | 2026 |
| Frampton Auto's Limited | Wholesale & retail | 2014 |
| Frampton Consultants Limited | Construction | 1983 |
| Frampton Country Fair Limited | Arts & recreation | 2007 |
| Franckare Limited | Health & social care | 2022 |
| Frango Peris and Desert Ltd | Hospitality | 2025 |
| Frank Nation Consulting Limited | Professional & scientific | 2024 |
| Frank Shaw (Bayonet) Holdings Limited | Professional & scientific | 2006 |
| Frank Shaw (Bayonet) Limited | Manufacturing | 1975 |
| Frankdoric Investments Co.Limited | Hospitality | 1962 |
| Franklins BUS and Coach Limited | Transport & logistics | 2024 |
| Freakyparts Ltd | Wholesale & retail | 2017 |
| Fred Watkins (Estates) Limited | Construction | 1956 |
| Freedom Energy Solutions Ltd | Professional & scientific | 2023 |
| Freedom Photography Ltd | Professional & scientific | 2012 |
| Freehart Construction Ltd | Construction | 2020 |
| Freelance Information Company Ltd | Information & communication | 2024 |
| Freelance Plater Company Ltd | Transport & logistics | 2012 |
| Freeman Consultancy Limited | Administrative & support | 2003 |
| Freemans Event Partners (Bars) Ltd. | Hospitality | 2009 |
| Freemans Event Partners (Brand Partnerships) Limited | Hospitality | 2019 |
| Freemans Event Partners (Europe) Limited | Hospitality | 2018 |
| Freemans Event Partners (Logistics) Ltd. | Hospitality | 2006 |
| Freemans Event Partners Group Topco Limited | Financial services | 2024 |
| Freer Contracts Limited | | 1983 |
| Frenchwood (Marketing) Ltd | Professional & scientific | 2013 |
| Fresh Business Academy Ltd | Extraterritorial | 2011 |
| Fresh Management Solutions Ltd | Professional & scientific | 2007 |
| Fresh Market Gloucestershire Ltd | Wholesale & retail | 2022 |
| Fresh Outlook Embroidery and Printing Limited | Manufacturing | 2017 |
| Fresh Support and Care Ltd | Administrative & support | 2022 |
| Freshify Ltd | Administrative & support | 2020 |
| Freshwater Enterprises Limited | Professional & scientific | 2013 |
| Freve Services Ltd | Administrative & support | 2026 |
| Frewin Associates Limited | Professional & scientific | 2016 |
| Friary House (Gloucester) Limited | Construction | 2016 |
| Friary House 1 Limited | Real estate | 2024 |
| Friary House 2 Ltd | Real estate | 2023 |
| Fridito Ltd | Wholesale & retail | 2025 |
| Friendly Motors Ltd | Wholesale & retail | 2025 |
| Front UP Coaching Limited | Education | 2014 |
| Frontline Catering Services Ltd | Manufacturing | 2007 |
| Frooms by Future Rooms Limited | Construction | 2018 |
| Frostip Limited | Health & social care | 2012 |
| Frying Filters Ltd | Wholesale & retail | 2013 |
| FS Paragon Facilities Limited | Administrative & support | 2025 |
| FT Consultancy Solutions Limited | Information & communication | 2021 |
| Fttk Records Ltd | Information & communication | 2026 |
| Full Circle Logistics Ltd | Transport & logistics | 2012 |
| Full Fire Events Ltd | Administrative & support | 2024 |
| Full Fire Store Ltd | Wholesale & retail | 2025 |
| Full Fire TCG Ltd | Wholesale & retail | 2024 |
| Fullbrooks Limited | Manufacturing | 2018 |
| Fullfix Building Solutions Ltd | Administrative & support | 2020 |
| Fullfix Ltd | Administrative & support | 2020 |
| Fulwood Surveying Services Limited | Professional & scientific | 2011 |
| FUN and Beyond Ltd | Administrative & support | 2025 |
| Funpark Amusements Limited | Arts & recreation | 2015 |
| Furndeco Holdings Limited | Financial services | 2023 |
| Furndeco Limited | Wholesale & retail | 2017 |
| Furniture Factory Outlets Limited | Wholesale & retail | 2009 |
| Furstdibs Limited | Professional & scientific | 2021 |
| Fusemi Ltd | Information & communication | 2020 |
| Fusion 66 Electrical Limited | Energy | 2016 |
| Fusion Fibre Optics Ltd | Information & communication | 2022 |
| Futbol Sala UK Limited | Arts & recreation | 2013 |
| Futro Properties Ltd | Real estate | 2025 |