| Fourth Wall Design Solutions Ltd | Information & communication | 2016 |
| Fourtrack Logistics Ltd | Wholesale & retail | 2013 |
| Fowlers Plumbing & Heating Limited | Construction | 2002 |
| FOX 1 Investments Ltd | Real estate | 2022 |
| FOX 1 Ltd | Professional & scientific | 2014 |
| FOX Blinds Ltd | Manufacturing | 2026 |
| FOX Contractors Ltd | Construction | 2016 |
| FOX Fire & Security Limited | Administrative & support | 2012 |
| FOX Four Consulting Limited | Information & communication | 2016 |
| FOX Lifestyle Financial Planning Limited | Financial services | 2017 |
| FOX Management Limited | Professional & scientific | 2018 |
| FOX Morris Group Holdings Ltd | Financial services | 2022 |
| FOX Morris Group Ltd | Administrative & support | 2021 |
| FOX Morris Group Luxe Ltd | Wholesale & retail | 2022 |
| FOX Morris Group Properties Ltd | Real estate | 2022 |
| Foxbury Heritage Ltd | Wholesale & retail | 2024 |
| Foxdevops Ltd | Professional & scientific | 2021 |
| Foxdog Properties Ltd | Real estate | 2012 |
| Foxergo Limited | Wholesale & retail | 2022 |
| Foxfields Holdings Ltd | Financial services | 2025 |
| Foxhouses Park Limited | Hospitality | 2002 |
| Foxtek Ltd | Wholesale & retail | 2015 |
| Foxtrot Fire Safety Ltd | Public administration | 2026 |
| Foxtrot Papa Trading Ltd | Wholesale & retail | 2023 |
| Foxwood Chase (Preston) Limited | Households | 2004 |
| Fozia Suleman Ltd | Health & social care | 2020 |
| FP Accountants Ltd | Professional & scientific | 2023 |
| FP Mailing Public Sector Region Ltd | Wholesale & retail | 2014 |
| FP Mailing YH Ltd | Information & communication | 2020 |
| FP Raft CIC | Administrative & support | 2014 |
| FPP Aviation Services Ltd | Manufacturing | 2022 |
| FPS Transport Limited | Hospitality | 2020 |
| FR Moss Logistics Limited | Transport & logistics | 2025 |
| FR Optical Ltd | Health & social care | 2012 |
| Fragrance Nation Ltd | Wholesale & retail | 2026 |
| Frahman Limited | Financial services | 2026 |
| Frameyourgame Ltd | Professional & scientific | 2026 |
| Framing Guru Limited | Wholesale & retail | 2016 |
| Franchalini 62 Limited | Extraterritorial | 2013 |
| Franchise Accelerator Ltd | Information & communication | 2025 |
| Francis Alan Limited | Real estate | 2018 |
| Francis Henry Limited | Hospitality | 2015 |
| Francis Transport (Northwich) Limited | Transport & logistics | 2002 |
| Frango Fyre Ltd | Hospitality | 2026 |
| Frangomango Limited | Wholesale & retail | 2021 |
| Frangos Fried & Chicken Ltd | Hospitality | 2024 |
| Frank Adshead Limited | Real estate | 1961 |
| Frank and Joyce Limited | Real estate | 2025 |
| Frank James Hair Limited | Other services | 2002 |
| Frank Remaps Ltd | Wholesale & retail | 2017 |
| Frank Street Garage Limited | Wholesale & retail | 2011 |
| Frank Whittle Partnership Limited | Professional & scientific | 2015 |
| Frank Wilkinson Cameras Holdings Limited | Financial services | 2024 |
| Franke Bearings Limited | Wholesale & retail | 2005 |
| Frankies Doggy Daycare (Preston) Ltd | Professional & scientific | 2025 |
| Franklin Hall Pubs Ltd | Hospitality | 2026 |
| Franky Builder Limited | Construction | 2020 |
| Frankys Properties Management Ltd | Real estate | 2024 |
| Fraser Leisure Ltd | Wholesale & retail | 2025 |
| Fratellis at Brindle Distillery Ltd | Hospitality | 2025 |
| Fratellis Catering & Events Ltd | Hospitality | 2021 |
| Fratellis Takeaway Ltd | Hospitality | 2024 |
| Frax Distribution Ltd | Wholesale & retail | 2021 |
| Freakquency Events Ltd | Administrative & support | 2025 |
| Freckleton Charitable Trust Limited | Other services | 1947 |
| Freckleton Skip Hire Ltd | Water & waste | 2022 |
| Freckleton Street Management Company Limited | Households | 2019 |
| Freckleton Tanning Ltd | Other services | 2023 |
| Fred Hughes Limited | Administrative & support | 1987 |
| Freddi Plant Ltd | Construction | 2020 |
| Free Bird DP Ltd | Wholesale & retail | 2024 |
| Free of TIE Leases Ltd | Real estate | 2006 |
| Freedom Hosting Limited | Information & communication | 2021 |
| Freedom of Creation Limited | Information & communication | 2013 |
| Freedom Rental Limited | Administrative & support | 2020 |
| Freedom Search Limited | Information & communication | 2011 |
| Freedom Services Online Ltd | Wholesale & retail | 2016 |
| Freedom Travel Longton Limited | Administrative & support | 2003 |
| Freegreen Ltd | Professional & scientific | 2026 |
| Freehand Graphics Services Limited | Information & communication | 1990 |
| Freehold Property Enterprises Limited | Administrative & support | 2025 |
| Freelance Artists Management Limited | Arts & recreation | 2022 |
| Freelance Motors Ltd | Wholesale & retail | 2023 |
| Freeman Decorating Contracts Limited | Construction | 2013 |
| Freeman Electrical Limited | Construction | 2020 |
| Freeman Hub Ltd | Professional & scientific | 2013 |
| Freemont Investors LLP | | 2011 |
| Frenchbourne Ltd | Manufacturing | 2018 |
| Frenchwood Convenience Store Limited | Wholesale & retail | 2024 |
| Frenchwood Motors Ltd | Wholesale & retail | 2019 |
| Frenzo Ltd | Wholesale & retail | 2023 |
| Fresh & Fruity (Preston) Ltd | Wholesale & retail | 2025 |
| Fresh First Limited | Wholesale & retail | 2009 |
| Fresh First Poulton Limited | Arts & recreation | 2013 |
| Fresh Floor Solutions Ltd | Administrative & support | 2024 |
| Fresh Food 4 Working Families Community Interest Company | Health & social care | 2023 |
| Freshal Limited | Wholesale & retail | 2025 |
| Freshfield PR Limited | Administrative & support | 2003 |
| Fretwell Bennett Limited | Other services | 2006 |
| Freya Trading UK Limited | Professional & scientific | 2022 |