| Fast Fries Limited | Hospitality | 2025 |
| Fast Kitchen Bradford Limited | Hospitality | 2026 |
| Fast Lane Distribution Ltd | Transport & logistics | 2025 |
| Fast Lane School LLP | | 2023 |
| Fast Letting and Management Ltd | Households | 2022 |
| Fast Loris Studios Ltd | Information & communication | 2011 |
| Fast Money Limited | Financial services | 2017 |
| Fast Pass SOM Ltd | Hospitality | 2019 |
| Fast Private Hire Rental Ltd | Administrative & support | 2025 |
| Fast Track Building Services Ltd | Construction | 2025 |
| Fast Track Couriers (Yorkshire) Ltd | Transport & logistics | 2022 |
| Fast Track Legal Limited | Other services | 2016 |
| Fastbalboa Ltd | Wholesale & retail | 2018 |
| Fastdev Ltd | Information & communication | 2001 |
| Fastevents Limited | Wholesale & retail | 2026 |
| Fastrack Drylining Ltd | Construction | 2014 |
| Fastrak Sameday Couriers Ltd | Transport & logistics | 2025 |
| Fastshop (Bradford) Limited | Information & communication | 2019 |
| Faststat Limited | Wholesale & retail | 2014 |
| Fasttrack Mortgages Limited | Financial services | 2013 |
| FAT Haddock Limited | Hospitality | 2024 |
| Fatal Cuts Ltd | Other services | 2023 |
| Fath Consultancy Ltd | Information & communication | 2025 |
| Father's Farm Foods Ltd | Wholesale & retail | 2015 |
| Fatima Investments Ltd | Real estate | 2003 |
| Fatima Translation Hub Ltd | Professional & scientific | 2025 |
| Fatima's Samosas Limited | Manufacturing | 2015 |
| FATIMAH110 Properties Ltd | Other services | 2024 |
| Faum Studio Ltd | Professional & scientific | 2024 |
| Fauz Enterprises Limited | Professional & scientific | 2020 |
| Favourite Flavours Limited | Wholesale & retail | 2015 |
| Fawad and Sons Ltd | Education | 2021 |
| Fawad Construction Ltd | Construction | 2021 |
| Fayakunu CIC | Professional & scientific | 2021 |
| Fayda Care Group Ltd | Health & social care | 2025 |
| Faye Louise Hair Salon Limited | Other services | 2017 |
| Fayms Care Ltd | Extraterritorial | 2022 |
| Faynex Global Ltd | Transport & logistics | 2026 |
| Faz's Taxi Hire Ltd | Administrative & support | 2020 |
| Fazal Foods Ltd | Wholesale & retail | 2025 |
| Fazal Ghaffar Ltd | Wholesale & retail | 2025 |
| FBD Investments Ltd | Real estate | 2023 |
| FBR Trading Ltd | Water & waste | 2021 |
| FC Automotive Ltd | Wholesale & retail | 2016 |
| FC Bradford Ltd | Hospitality | 2023 |
| FC Ingleby Ltd | Manufacturing | 2025 |
| FCJ Opticals Ltd | Wholesale & retail | 2016 |
| Fcom Traders Ltd | Wholesale & retail | 2026 |
| FCZ1 Ltd | Transport & logistics | 2018 |
| Fdistributionltd Ltd | Wholesale & retail | 2026 |
| Feambrand UK LLP | | 2023 |
| Fearnley Day Nursery Limited | Education | 2023 |
| Feather RD Mini Market Ltd | Wholesale & retail | 2026 |
| Feathers YB Limited | Households | 2025 |
| Fedak Ltd | Transport & logistics | 2026 |
| Federal Foods Limited | Hospitality | 2024 |
| Federated Properties Limited | Professional & scientific | 1939 |
| Feel Created Limited | Information & communication | 2011 |
| Feel Good Services Limited | Real estate | 2014 |
| Feen Services Limited | Other services | 2025 |
| Felbridge Fleet Solutions Ltd | Administrative & support | 2025 |
| Fellah Construction Ltd | Construction | 2017 |
| Felt Supplies Ltd | Manufacturing | 2006 |
| Fence Property Management Services Ltd | Real estate | 2022 |
| Fencing Xpress Ltd | Wholesale & retail | 2026 |
| Fenix Homes Ltd | Construction | 2022 |
| Fenix Properties Limited | Construction | 1988 |
| Fenny Properties Ltd | Households | 2026 |
| Fenrick & Stone Limited | Professional & scientific | 2025 |
| Feral Opulence Limited | Professional & scientific | 2016 |
| Ferdaws Travel Ltd | Administrative & support | 2018 |
| Ferdynand Dutlow Ltd | Transport & logistics | 2017 |
| Ferman Fine Foods Ltd | Extraterritorial | 2017 |
| Fern Architecture Limited | Professional & scientific | 2019 |
| Fern Hill Holdings Limited | Real estate | 1995 |
| Ferndale Accountants Limited | Professional & scientific | 2009 |
| Ferndale Tree Services Ltd | Administrative & support | 2023 |
| Fernvo Ltd | Wholesale & retail | 2026 |
| Festival Kitchen Ltd | Hospitality | 2019 |
| Fetch Your Dog Limited | Other services | 2016 |
| Fezaan Khan Logistics Limited | Transport & logistics | 2026 |
| Fezan Engineering Limited | Manufacturing | 2022 |
| Fezan Investments Limited | Real estate | 2018 |
| FF Traders Limited | Wholesale & retail | 2013 |
| FF UK Property Ltd | Real estate | 2020 |
| FFA Group Ltd | Administrative & support | 2020 |
| FFA Ltd | Health & social care | 2024 |
| FFA Media Ltd. | Administrative & support | 2019 |
| FGS Communications Ltd | Information & communication | 2022 |
| FH Developments Ltd | Construction | 2018 |
| Fha-Optical Ltd | Health & social care | 2021 |
| Fham Holdings Ltd | Real estate | 2024 |
| Fham Management Ltd | Real estate | 2024 |
| Fhareehat Afican Food Stuff and Accessories Limited | Wholesale & retail | 2025 |
| FHG Roofing and Property Maintenance Ltd | Construction | 2026 |
| Fhin Conversions Ltd | Wholesale & retail | 2021 |
| Fhsb Ltd | Real estate | 2025 |
| Fiacre Charter Ltd | Wholesale & retail | 2020 |
| Fiad Properties Ltd | Real estate | 2025 |
| Fibre Communications Ltd | Information & communication | 2010 |