| Fairy Good Cakes Limited | Manufacturing | 2021 |
| Fairytale Beginnings Ltd | Hospitality | 2020 |
| Fairytales Day Nursery Limited | Education | 2003 |
| Fairytales Day Nursery TOO Limited | Education | 2015 |
| Faisal Ahmed Ventures Limited | Hospitality | 2025 |
| Faisal Locum Ltd | Professional & scientific | 2022 |
| Faithful Carpets Limited | Wholesale & retail | 2008 |
| Falcon a 2 Z Ltd | Transport & logistics | 2022 |
| Falcon Transfers Ltd | Transport & logistics | 2020 |
| Falcon Wise Construction Limited | Professional & scientific | 2023 |
| Falcon Wise Consultancy Limited | Professional & scientific | 2026 |
| Falcon Wise Limited | Professional & scientific | 2023 |
| Falconer Funerals Limited | Other services | 2020 |
| Falcotec Limited | Wholesale & retail | 2008 |
| Fallouh Healthcare Limited | Professional & scientific | 2014 |
| False Real Ltd | Wholesale & retail | 2022 |
| Famly Consulting Limited | Information & communication | 2019 |
| Fancy Pizza Walsall Limited | Hospitality | 2025 |
| Fanish Logistics Ltd | Transport & logistics | 2025 |
| Faran Trading Ltd | Wholesale & retail | 2024 |
| Farchynys Estate Management Limited | Real estate | 2017 |
| Farcroft Restorations Ltd | Other services | 2013 |
| Fare Cabs & Drivers Ltd | Transport & logistics | 2025 |
| Farhi Limited | Wholesale & retail | 2007 |
| Farley & Weston Limited | Wholesale & retail | 2024 |
| Farming Online Ltd | Information & communication | 2001 |
| Farringtons Saddle Co. Ltd. | Manufacturing | 2000 |
| Farubi Limited | Professional & scientific | 2015 |
| Faskota Global Holdings and Properties Ltd | Transport & logistics | 2023 |
| Fass Group Ltd | Wholesale & retail | 2025 |
| Fast Engineering Works Limited | Extraterritorial | 2012 |
| Fast FIX Maintenance Limited | Construction | 2025 |
| Fast Foods Recruits Limited | Administrative & support | 2016 |
| Fast Forward Vets Ltd | Professional & scientific | 2016 |
| Fast N Fuel Automotive Ltd | Wholesale & retail | 2025 |
| Fast Properties Ltd | Real estate | 2024 |
| Fast Track Ventures Limited | Professional & scientific | 2014 |
| Fastech Investment Ltd | Real estate | 2025 |
| Fastener Data Ltd | Information & communication | 2019 |
| Fastener Solutions Limited | Manufacturing | 1996 |
| Fastline Holdings Limited | Financial services | 2018 |
| Fastline International Ltd | Manufacturing | 2020 |
| Fastline Property Limited | Real estate | 2020 |
| Fastline Steel Services UK Ltd | Manufacturing | 2013 |
| Fastline Travel Executive Ltd | Transport & logistics | 2025 |
| Fate Hair Design Ltd | Other services | 2022 |
| Fateh Groundworks Ltd | Construction | 2025 |
| Fatemabr Limited | Health & social care | 2025 |
| Fatima Education Trust | Education | 2011 |
| Fatlek Direct Supply Ltd | Administrative & support | 2018 |
| Fatntasty Ltd | Hospitality | 2026 |
| Fawad Hassan Limited | Wholesale & retail | 2015 |
| Faweb Ltd | Information & communication | 2019 |
| FAZ Business Consulting Ltd | Professional & scientific | 2015 |
| FAZ Spice Ltd | Hospitality | 2017 |
| Fazal Medical Services Ltd | Health & social care | 2021 |
| Fazal TM Ltd | Construction | 2022 |
| FB Walsall Ltd | Wholesale & retail | 2020 |
| Fbhm Technologies Ltd | Wholesale & retail | 2022 |
| FBM Group Ltd | Wholesale & retail | 2023 |
| Fdesigns Limited | Information & communication | 2009 |
| FDY Performance Ltd | Wholesale & retail | 2025 |
| FDY Property Group Ltd | Real estate | 2025 |
| Fearless Boxing Academy C.I.C. | Other services | 2019 |
| Feast (International) Limited | Hospitality | 2026 |
| Feast Haven Ltd | Hospitality | 2023 |
| Federation of Optometrists and Dispensing Opticians Educational Charity | Education | 1998 |
| Feel Good Ltd | Wholesale & retail | 2016 |
| Fellnix Technologies Ltd | Wholesale & retail | 2025 |
| Fellside Consultancy Limited | Professional & scientific | 2022 |
| Femti Ltd | Wholesale & retail | 2024 |
| Femtom Ltd | Health & social care | 2015 |
| Fenix Business Solutions Ltd | Wholesale & retail | 2021 |
| Fenlark Property Ltd | Real estate | 2023 |
| Fennec Cement Ltd | Manufacturing | 2023 |
| Fenny Midlands Properties Ltd | Real estate | 2024 |
| FER Services WM Limited | Other services | 2019 |
| Fergaltide Limited | Health & social care | 2018 |
| Ferguson Family EYE Care Limited | Wholesale & retail | 2012 |
| Fernleigh Court Management Company Limited | Households | 2006 |
| Ferraghini Car Care Ltd | Wholesale & retail | 2019 |
| Ferraghini Holdings Ltd | Wholesale & retail | 2019 |
| Fervent Consultancy Ltd | Professional & scientific | 2023 |
| Fervent P Healthcare Ltd | Health & social care | 2022 |
| Fervexgarage Ltd | Other services | 2018 |
| FES Contractors Ltd | Public administration | 2022 |
| Festus Cleaning Ltd | Administrative & support | 2024 |
| Feue Homes Ltd | Real estate | 2020 |
| FFI Trans Ltd | Transport & logistics | 2017 |
| FH Autos Ltd | Wholesale & retail | 2019 |
| FH Convenience Ltd | Wholesale & retail | 2019 |
| Fham Ltd | Wholesale & retail | 2025 |
| Fiad Consulting Ltd | Information & communication | 2025 |
| Fibreuse Group Ltd | Professional & scientific | 2021 |
| Ficsor Ltd | Transport & logistics | 2024 |
| Fidelis Medical Limited | Wholesale & retail | 2026 |
| Fiducia Property Group Limited | Real estate | 2026 |
| Field Draws Ltd | Wholesale & retail | 2020 |
| Field Fayre Products Limited | Manufacturing | 1997 |
| Field Road Chippy Ltd | Hospitality | 2024 |