| FR Civils Limited | Financial services | 2025 |
| FR Fire Protection Limited | Other services | 2019 |
| FR Repairs Limited | Wholesale & retail | 2024 |
| FR Vincitore Ltd | Manufacturing | 2020 |
| FR1 Limited | Construction | 2026 |
| Fraddos Newsagent Ltd | Wholesale & retail | 2023 |
| Fragrance and Glamour Ltd | Manufacturing | 2018 |
| Frame Builduk Limited | Construction | 2018 |
| Framed and SET Ltd | Information & communication | 2006 |
| Framed Services Ltd | Manufacturing | 2019 |
| Frameline Limited | Manufacturing | 2003 |
| Framesmith Limited | Manufacturing | 2023 |
| Framework X Group Ltd | Information & communication | 2026 |
| Framing & Printing Services Ltd | Manufacturing | 2025 |
| Fran Boultbee Trading Limited | Professional & scientific | 2023 |
| Frances James Ltd | Real estate | 2024 |
| Francesca Couture Label Limited | Wholesale & retail | 2026 |
| Francesca Couture Limited | Wholesale & retail | 2022 |
| Francesco Torella Ltd | Health & social care | 2017 |
| Franchetti Ltd | Construction | 2023 |
| Franchisingworks Limited | Administrative & support | 2010 |
| Francie’S Limited | Hospitality | 2023 |
| Francine C Powell Limited | Administrative & support | 2019 |
| Francine Close Management Company Limited | Real estate | 2009 |
| Francis & Reids Property Limited | Households | 2023 |
| Francis and Madeleine Murphy Trading Limited | Professional & scientific | 2023 |
| Francis Farm Great Altcar Limited | Agriculture & fishing | 2023 |
| Francis LEE Ltd | Construction | 2025 |
| Francis Nicholls Pension Scheme Trustee Limited | Financial services | 2021 |
| Francis Rowlinson Services Ltd | Professional & scientific | 2017 |
| Francoise Limited | Hospitality | 2025 |
| Franfix Limited | Information & communication | 2026 |
| Frank Bird Property Investments Limited | Real estate | 2022 |
| Frank Bird Roofing Ltd | Construction | 2005 |
| Frank Bird Scaffolding Limited | Construction | 2011 |
| Frank Brady Property Ltd | Real estate | 2025 |
| Frank Doyle & Sons Limited | Transport & logistics | 2002 |
| Frank Jacobs Estates Ltd | Real estate | 2025 |
| Frank Kelly Kitchens & Bathrooms Limited | Construction | 2016 |
| Frank Manning (Engineers) Limited | Manufacturing | 1954 |
| Frank Rogers (Building Contractor) Limited | Construction | 1977 |
| Frankie & Bobbys Ltd | Hospitality | 2015 |
| Frankie Knuckles Boxing Academy Ltd | Arts & recreation | 2019 |
| Frankie's Paint-It Pottery Limited | Arts & recreation | 2018 |
| Frankley Bakery Limited | Manufacturing | 2025 |
| Frankley Cleaning Ltd | Administrative & support | 2024 |
| Frankley MBI Limited | Administrative & support | 2013 |
| Frankly Property Holdings Limited | Financial services | 2026 |
| Frankly Property Management Ltd | Real estate | 2026 |
| Frankly SA Investments Ltd | Real estate | 2026 |
| Franklyn Estates Limited | Real estate | 2002 |
| Franklyn Motors Ltd | Professional & scientific | 2008 |
| Franks Associates Limited | Professional & scientific | 2012 |
| Franks Flies Limited | Wholesale & retail | 2022 |
| Frankyz L14 Ltd | Hospitality | 2023 |
| Frankyz Old Swan Ltd | Hospitality | 2026 |
| Franky’Z Ltd | Hospitality | 2025 |
| Franotrans Ltd | Wholesale & retail | 2021 |
| Frantzenrail Ltd | Professional & scientific | 2024 |
| Fraser Capital Management Limited | Arts & recreation | 2004 |
| Fraser Property Services Ltd | Construction | 2026 |
| Fratar Fish Limited | Hospitality | 2025 |
| Fratello Clothing Limited | Wholesale & retail | 2019 |
| Fraud Deterrent Ltd | Professional & scientific | 2020 |
| Fraughan Developments Ltd | Real estate | 2025 |
| Frbc Group Limited | Administrative & support | 2017 |
| Frbc Holdings Limited | Financial services | 2020 |
| Frcpass Limited | Public administration | 2024 |
| Freda Marian Jenkins Trading Limited | Professional & scientific | 2017 |
| Frederick Marine Services Limited | Mining & quarrying | 2013 |
| Freds Meats | | 1993 |
| Fredy Logistics Ltd | Professional & scientific | 2026 |
| Free and Zone Limited | Construction | 2015 |
| Free Billy Noche Ltd | Arts & recreation | 2025 |
| Free Spirit Escapes Ltd | Administrative & support | 2020 |
| Free Standing Hoarding Ltd | Administrative & support | 2016 |
| Free State Kitchen Limited | Hospitality | 2012 |
| Freecrows Limited | Wholesale & retail | 2015 |
| Freed Fashion Limited | Extraterritorial | 2007 |
| Freedom Choice Ltd | Health & social care | 2024 |
| Freedom Church Liverpool | Other services | 2014 |
| Freedom Enterprises (England) Ltd | Other services | 2017 |
| Freedom Group Limited | Administrative & support | 2018 |
| Freedom Housing Limited | Administrative & support | 2003 |
| Freedom of Life Ltd | Health & social care | 2021 |
| Freedom of Ztyle Ltd | Professional & scientific | 2019 |
| Freedom to Flourish CIC | Education | 2024 |
| Freeflyer Ltd | Arts & recreation | 2012 |
| Freehold (NW) Ltd | Real estate | 2020 |
| Freehold Daniel House Limited | Financial services | 2017 |
| Freelance DOC Ltd | Health & social care | 2022 |
| Freelance Retail Limited | Professional & scientific | 2024 |
| Freemans Industrial Supplies Limited | Wholesale & retail | 2012 |
| Freeport Aggregates Limited | Transport & logistics | 2008 |
| Freesight Management System Ltd | Professional & scientific | 2019 |
| Freethorn Limited | Wholesale & retail | 1999 |
| Freeway International Ltd | Wholesale & retail | 2025 |
| Freeway Wellness Pro Ltd | Wholesale & retail | 2026 |
| Freeze Management Limited | Hospitality | 2025 |
| Freezy Treats Limited | Manufacturing | 2025 |