| Faith Daniels IT Services Ltd | Information & communication | 2018 |
| Falco CWL Limited | Hospitality | 2024 |
| Falcon Motors Cheshire Ltd | Wholesale & retail | 2023 |
| Falcon Technical Ltd | Wholesale & retail | 2013 |
| Falkirk TOD Hill Wind Limited | Energy | 2010 |
| Fallon Consultants Limited | Administrative & support | 2025 |
| Famco 1 Limited | Financial services | 2018 |
| Family Adventures Limited | Wholesale & retail | 2025 |
| Family and Marriages Matter Limited | Health & social care | 2023 |
| Family Martial Arts Northwich LLP | | 2024 |
| Famous Fade Hair CUT Ltd | Other services | 2023 |
| Famous Five Holdings Ltd | Financial services | 2025 |
| FAN Dynamics Limited | Professional & scientific | 2020 |
| Fanak Hich Ltd | Wholesale & retail | 2024 |
| Fangzi Property Ltd | Real estate | 2014 |
| Fantastic Media Limited | Information & communication | 2005 |
| Fanzone Enterprise Ltd | Wholesale & retail | 2019 |
| FAO Consultance Limited | Health & social care | 2024 |
| FAR Sheep Ltd | Wholesale & retail | 2021 |
| Farad Limited | Professional & scientific | 2017 |
| Faraday Battery Limited | Manufacturing | 2010 |
| Faragher Holdings Limited | Professional & scientific | 2020 |
| Farent Solutions Limited | Information & communication | 2016 |
| Farmer Bertie's Ltd | Wholesale & retail | 2025 |
| Farnet Developments Limited | Administrative & support | 2009 |
| Farrell Synek & Partners Ltd | Professional & scientific | 2025 |
| Farriers Chase Management Company Limited | Households | 2025 |
| Farzs Khahns Limited | Hospitality | 2026 |
| FAS Real Estate Ltd | Real estate | 2024 |
| Fascinated With Food Limited | Administrative & support | 2013 |
| Fashion Extreme Ltd | Wholesale & retail | 2020 |
| Fashion Plus (International) Limited | Wholesale & retail | 2021 |
| Fasma Trans Ltd | Transport & logistics | 2026 |
| Fast & Fresh Holdings Limited | Professional & scientific | 2009 |
| Fast & Fresh Limited | Wholesale & retail | 2000 |
| Fast Lane Delivery Ltd | Transport & logistics | 2020 |
| Fast Reactor Technology Limited | Other services | 1984 |
| Fast Support Services Ltd | Administrative & support | 2020 |
| Fastboot Technologies Limited | Information & communication | 2015 |
| Faster Than a Cat Ltd | Administrative & support | 2010 |
| Fastfabs Limited | Manufacturing | 2017 |
| Fastfitstrong Limited | Health & social care | 2019 |
| FAT Al's Limited | Hospitality | 2024 |
| FAT Cat Games Group Ltd | Wholesale & retail | 2026 |
| FAT Horse Ltd | Wholesale & retail | 2022 |
| Fatfish Group Ltd | Information & communication | 2018 |
| Fatherson Bakery Limited | Manufacturing | 2007 |
| Favour and Fortune Ltd | Wholesale & retail | 2018 |
| Favoured Care Solutions Limited | Health & social care | 2025 |
| Favoured Properties Ltd | Real estate | 2023 |
| Favourite Child Ltd | Information & communication | 2019 |
| Fawsha Travels Limited | Administrative & support | 2025 |
| Faxfor Limited | Wholesale & retail | 2019 |
| FAZ Convenience Store Limited | Wholesale & retail | 2010 |
| Fazackerley (Leigh) Limited | Professional & scientific | 1972 |
| Faze Engineering Ltd | Professional & scientific | 2022 |
| Faze Property Limited | Real estate | 2016 |
| Fbbaz Systems Limited | Information & communication | 2018 |
| FBJ Holdings Limited | Financial services | 2026 |
| FBM Creative Limited | Information & communication | 2026 |
| FBO Jobs Limited | Administrative & support | 2021 |
| FBO Ltd | Hospitality | 2019 |
| FBO Property Limited | Professional & scientific | 2026 |
| FC Test Limited | Administrative & support | 2014 |
| FCB Castles Engineering Limited | Professional & scientific | 2017 |
| FCC Consultants London Ltd | Administrative & support | 2025 |
| FD Holdings Limited | Financial services | 2016 |
| FDF Solutions Ltd | Administrative & support | 2025 |
| Fearless Apparel Ltd | Manufacturing | 2015 |
| Fearnhead Management Consultancy Ltd | Administrative & support | 2015 |
| Fearns Properties Ltd | Real estate | 2024 |
| Feather Controls Limited | Administrative & support | 2025 |
| Feel 4 Entertainment Ltd | Administrative & support | 2023 |
| Feelassured Ltd | Wholesale & retail | 2019 |
| Feenan Foods Limited | Hospitality | 1995 |
| Feet First Footcare Ltd | Health & social care | 2023 |
| Fefe Consults Ltd | Information & communication | 2018 |
| Felicitous Feline Limited | Administrative & support | 2007 |
| Felicity Cooper Bridal Ltd. | Wholesale & retail | 2015 |
| Felix Badi Ltd | Professional & scientific | 2017 |
| Fellows Education Ltd | Education | 2021 |
| Fellside Vista Ltd | Hospitality | 2024 |
| Fenchurch Properties LLP | | 2010 |
| Fender Installations Limited | Manufacturing | 2010 |
| Fenix European Investments Limited | Hospitality | 2023 |
| Fenton Place Ltd | Professional & scientific | 2023 |
| Fentum Consulting Limited | Real estate | 2025 |
| Fepm Ltd | Real estate | 2025 |
| Ferguson CCS Ltd | Administrative & support | 2023 |
| Ferguson Systems Ltd | Professional & scientific | 2020 |
| Fermapolymers Ltd | Manufacturing | 2026 |
| Fermion Limited | Other services | 1995 |
| Ferndale Caravan Storage Ltd | Transport & logistics | 2021 |
| Ferneries Consulting Limited | Administrative & support | 2015 |
| Ferneyhowe Ltd | Professional & scientific | 2017 |
| Ferntec Ltd | Administrative & support | 2007 |
| Ferreira Properties Ltd | Real estate | 2025 |
| Ferros Property Ltd | Real estate | 2019 |
| Ferry House Consulting Limited | Professional & scientific | 2002 |
| Ferry Link Club Ltd | Health & social care | 2011 |