| Fletcher Homes (Bewdley) Ltd | Construction | 2020 |
| Fletcher Homes (Malvern) Ltd | Financial services | 2023 |
| Fletcher Homes (Ombersley) Ltd | Construction | 2022 |
| Fletcher Homes Limited | Construction | 2018 |
| Fletcher Trade Finance Limited | Financial services | 2019 |
| Flight Simulator Red Arrows Ltd | Arts & recreation | 2024 |
| Flight, Barrel & Points Darting Goods Ltd | Wholesale & retail | 2025 |
| Floodkit Limited | Construction | 2012 |
| Floon Spoon Limited | Manufacturing | 2024 |
| Floor Finish Installations Ltd | Administrative & support | 2010 |
| Floors 4 U (Kidderminster) Limited | Wholesale & retail | 2023 |
| Floors 4 U (Milton Keynes) Limited | Wholesale & retail | 2025 |
| Floors 4 U Limited | Wholesale & retail | 2021 |
| Floors 4 YOU Group Ltd | Wholesale & retail | 2025 |
| Floors 4 YOU Llaslaw Ltd | Real estate | 2019 |
| Floors 4 YOU Stores Ltd | Other services | 2017 |
| Floors Elite Ltd | Wholesale & retail | 2018 |
| Fltr Search Ltd | Information & communication | 2020 |
| Flue FIX Ltd | Construction | 2021 |
| Fluid Property Developments Ltd | Construction | 2014 |
| Fluorescent Beach Limited | Real estate | 2002 |
| FM Branding Limited | Extraterritorial | 2013 |
| FMF Consulting Limited | Information & communication | 2024 |
| Fmmd Limited | Real estate | 2017 |
| Fmrc Construction Ltd | Construction | 2025 |
| Folkes Holdings (U.K.) Limited | Professional & scientific | 2011 |
| Folkes Worton (Stourbridge) Ltd | Professional & scientific | 2021 |
| Folkes Worton Associates Limited | Financial services | 2012 |
| Folkes Worton LLP | | 2008 |
| Food Management Services Limited | Administrative & support | 2021 |
| FOR Everybody Limited | Health & social care | 2021 |
| FOR the Culture Collective CIC | Education | 2022 |
| FOR the Love of a Dog Ltd | Wholesale & retail | 2024 |
| Forder & Co Ltd | Professional & scientific | 2026 |
| Forever Treatments Ltd | Health & social care | 2020 |
| Forklift Sales UK Limited | Wholesale & retail | 2017 |
| Forklift Services UK Ltd | Administrative & support | 2007 |
| Formarch Design Ltd | Professional & scientific | 2023 |
| Forprax Limited | Construction | 2020 |
| Forresthill Limited | Real estate | 2021 |
| Forsyth James Estates Ltd | Construction | 2026 |
| Forsyth James Ltd | Real estate | 2013 |
| Forte Logistics Ltd | Transport & logistics | 2026 |
| Fortis Accommodation Worldwide Limited | Real estate | 2012 |
| Fortune 9 Limited | Hospitality | 2026 |
| Forward Consult Ltd | Professional & scientific | 2024 |
| Foster Street Management Company Limited | Households | 2006 |
| Fountain Security Limited | Administrative & support | 2023 |
| Four Ashes at Home Ltd | Wholesale & retail | 2008 |
| Four Circles Group Holdings Limited | Financial services | 2019 |
| Four Circles Group Ltd | Professional & scientific | 2018 |
| Four FOX Hake Limited | Manufacturing | 2012 |
| Four Oaks Reclamation Ltd | Wholesale & retail | 2021 |
| Four Wheels Group Limited | Wholesale & retail | 2023 |
| Fourteen Consulting Limited | Professional & scientific | 2015 |
| FOX and Jones Limited | Professional & scientific | 1996 |
| Foxall Industrial Supplies Group Limited | Professional & scientific | 2013 |
| Foxall Industrial Supplies Limited | Wholesale & retail | 1981 |
| Frame Architects Ltd | Professional & scientific | 2021 |
| Frank Salt & Company Limited | Real estate | 1948 |
| Frank UNO Ltd | Information & communication | 2020 |
| Frank Wade Limited | | 1947 |
| Franklin PFP Ltd | Construction | 2024 |
| Fraser Harrison Properties Ltd | Real estate | 2021 |
| Free Road Records Ltd | Information & communication | 2024 |
| Freedom Holistics Academy Limited | Extraterritorial | 2021 |
| Freeman Systems Limited | Manufacturing | 2023 |
| Freestyle Hair Studio Ltd | Other services | 2014 |
| Frenchwaters Ltd | Construction | 2024 |
| Frenmart Limited | Wholesale & retail | 1982 |
| FRESHJUICES4EVER Limited | Hospitality | 2025 |
| Friction Welding Solutions Ltd | Professional & scientific | 2026 |
| Friendly Neighbourhood Cinema Ltd | Arts & recreation | 2019 |
| Friendly Services Ltd | Administrative & support | 2023 |
| Friends of Kinver Open Spaces (Bridge) Limited | Construction | 2020 |
| Frontline Design Limited | Real estate | 2020 |
| Frontline Exhibitions Limited | Other services | 1991 |
| FRT Developments Limited | Professional & scientific | 2012 |
| FSB Interiors Ltd | Construction | 2022 |
| FSL Interiors Limited | Construction | 2012 |
| Fsmaf Essentials Ltd | Wholesale & retail | 2024 |
| FST Management Services Ltd | Transport & logistics | 2014 |
| FTC Services Limited | Administrative & support | 2013 |
| FTF Advisory Limited | Financial services | 2024 |
| Fuel Lodge Limited | Wholesale & retail | 2019 |
| Fuel Spill Digester Limited | Water & waste | 2021 |
| Fuggles & Barley Limited | Real estate | 2018 |
| Full HQ Ltd | Professional & scientific | 2021 |
| Full of Beans Cafe Limited | Professional & scientific | 2019 |
| Full Swing Golf Limited | Arts & recreation | 2025 |
| Funkme Ltd | Wholesale & retail | 2018 |
| Funky Concepts Limited | Wholesale & retail | 2007 |
| Furious PUB Company (Properties & Assets) Limited | Real estate | 2014 |
| Furious PUB Company (Trading) Limited | Hospitality | 2014 |
| Furnace Court Management Company Limited | Extraterritorial | 2006 |
| Furtive Productions Limited | Other services | 2016 |
| Furward Duct Erection Limited | Construction | 2003 |
| Future Freedom Care Ltd | Health & social care | 2024 |
| Future Housing Solutions | Hospitality | 2010 |
| Future Stays DLG Ltd | Hospitality | 2025 |