| F S Halifax Ltd | Hospitality | 2012 |
| F Simbi Ltd | Health & social care | 2019 |
| F T Patten Properties (Chester) Limited | Real estate | 1995 |
| F T Patten Properties (Liverpool) Limited | Real estate | 1995 |
| F W Marsh Limited | Other services | 2013 |
| F&A Imports Ltd | Wholesale & retail | 2026 |
| F&A Motors Ltd | Transport & logistics | 2024 |
| F&B Fusion Ltd | Manufacturing | 2021 |
| F&B Homes Ltd | Real estate | 2022 |
| F&C Education Center Limited | Education | 2025 |
| F&D Properties Limited | Real estate | 2019 |
| F&E Furniture Ltd Limited | Wholesale & retail | 2023 |
| F&F Auto Sales Ltd | Wholesale & retail | 2026 |
| F&F Developers Ltd | Real estate | 2024 |
| F&F Developments Ltd | Real estate | 2020 |
| F&F Estates Limited | Real estate | 2014 |
| F&F Fashion Ltd | Other services | 2025 |
| F&F Lease Ltd | Administrative & support | 2025 |
| F&H Legal Services Limited | Professional & scientific | 2017 |
| F&J Property Solutions Ltd | Construction | 2022 |
| F&M Elite Piano Specialists Ltd | Transport & logistics | 2021 |
| F&M Horizon Ltd | Wholesale & retail | 2026 |
| F&M Law Limited | Professional & scientific | 2021 |
| F&M Style Ltd | Wholesale & retail | 2024 |
| F&N Trading MCR Ltd | Wholesale & retail | 2024 |
| F&S Birdhouse Ltd | Real estate | 2025 |
| F&S SAR Group Ltd | Wholesale & retail | 2024 |
| F-Away Sociale MCR Ltd | Hospitality | 2023 |
| F-M Trademarks Limited | Professional & scientific | 1935 |
| F. and J. Rivers Quality Child Care Limited | Administrative & support | 1999 |
| F. Duerr & Sons Limited | Manufacturing | 1924 |
| F. Dunn & Sons Limited | Wholesale & retail | 1995 |
| F. R. Elswood Limited | Construction | 1991 |
| F. R. Medical Consultancy Services Limited | Health & social care | 2012 |
| F. Richardson (Cabinet Makers) Limited | Extraterritorial | 1969 |
| F.A.Gill.Limited | Manufacturing | 1938 |
| F.A.S.(Nw) Limited | Professional & scientific | 2017 |
| F.A.S.T Appliance Repairs Ltd | Administrative & support | 2014 |
| F.B.G Automotive Ltd | Wholesale & retail | 2026 |
| F.E. Barber Limited | Administrative & support | 2014 |
| F.H. Lloyd Holdings Limited | Professional & scientific | 1956 |
| F.H. Wheeler & Company Limited | | 1955 |
| F.Haque.B Limited | Health & social care | 2016 |
| F.Hunter & Sons(Distributors)Limited | Real estate | 1966 |
| F.I.A Foods Limited | Administrative & support | 2009 |
| F.J. Global Commerce Ltd | Wholesale & retail | 2024 |
| F.J.L. Construction Ltd | Construction | 2015 |
| F.O.A Beauty Ltd | Other services | 2025 |
| F.P.I.D Limited | Construction | 2019 |
| F.Parham Limited | Construction | 1930 |
| F.R.R.C. Limited | Manufacturing | 2000 |
| F.S Education Ltd | Education | 2024 |
| F.S. Moult & SON Ltd | Administrative & support | 2022 |
| F.T. Patten (Holdings) Limited | Real estate | 1993 |
| F.W. Singleton Holdings Limited | Financial services | 2023 |
| F07 Ltd | Wholesale & retail | 2017 |
| F1 Building and Construction Ltd. | Construction | 2022 |
| F1 Commercials Ltd | Wholesale & retail | 2025 |
| F1 for Computing Limited | Information & communication | 2006 |
| F18/3 Ltd | Education | 2023 |
| F1ZZ Ltd | Extraterritorial | 2020 |
| F27 Ventures Limited | Professional & scientific | 2018 |
| F2K Limited | Professional & scientific | 2000 |
| F3 Ltd | Wholesale & retail | 2022 |
| F3 Partnership Ltd | Administrative & support | 2020 |
| F3 Realty Ltd | Real estate | 2025 |
| F4WA Limited | Wholesale & retail | 2024 |
| F8 Limited | Real estate | 2017 |
| F8DOTCOM Limited | Extraterritorial | 2019 |
| FA & Sons Property Limited | Real estate | 2025 |
| FA Accessories Ltd | Wholesale & retail | 2019 |
| FA Autos Ltd | Wholesale & retail | 2016 |
| FA MCR Ltd | Real estate | 2025 |
| FA Moon Star Limited | Administrative & support | 2016 |
| FA Performance Psychology Ltd | Administrative & support | 2025 |
| FA Tech Limited | Information & communication | 2022 |
| Fa.At Traders Ltd | Wholesale & retail | 2025 |
| Faarro Ltd | Extraterritorial | 2023 |
| Faas Alhattab Trade and Distribution Ltd | Wholesale & retail | 2026 |
| FAB Comedy Ltd | Arts & recreation | 2014 |
| FAB Desserts Limited | Wholesale & retail | 2023 |
| FAB E-Commerce Ltd | Wholesale & retail | 2024 |
| FAB Espresso Ltd | Wholesale & retail | 2018 |
| FAB Films (Manchester) Ltd | Professional & scientific | 2020 |
| FAB Fireworks Ltd | Other services | 2018 |
| FAB Five Winners Limited | Professional & scientific | 2025 |
| FAB Fleet Limited | Wholesale & retail | 2024 |
| FAB Food & Coffee Ltd | Hospitality | 2025 |
| FAB Fresh Limited | Administrative & support | 2024 |
| FAB Futures Limited | Real estate | 2018 |
| FAB Landscapes Ltd | Administrative & support | 2026 |
| FAB Management Limited | Real estate | 2017 |
| FAB Partnership Ltd | Information & communication | 2013 |
| FAB Style Limited | Wholesale & retail | 2025 |
| FAB Superstore Ltd | Wholesale & retail | 2023 |
| FAB Surgery Ltd | Health & social care | 2021 |
| FAB Tech Powder Coating Limited | Manufacturing | 2010 |
| FAB Travel Limited | Transport & logistics | 2008 |
| FAB Window Coverings Ltd | Wholesale & retail | 2024 |
| FAB Windows Limited | Administrative & support | 2016 |