| Family Pathways North West Ltd | Health & social care | 2025 |
| Famoss Technical Services Ltd | Professional & scientific | 2013 |
| Fancydress Blackpool Ltd | Wholesale & retail | 2016 |
| Fantasy Glass (Blackpool) Limited | Wholesale & retail | 2003 |
| Faregeek UK Limited | Administrative & support | 2010 |
| Faresaver Holdings Limited | Financial services | 2025 |
| Farina & Co (Garstang) Limited | Hospitality | 2018 |
| Farm Fresh International Foods Ltd | Wholesale & retail | 2022 |
| Farmer Business Enterprises Limited | Other services | 2003 |
| Farriers Equine Care (UK) Limited | Manufacturing | 2021 |
| Fast Analytical Systems Training Limited | Professional & scientific | 2016 |
| Fast FIX Solutions Ltd | Construction | 2023 |
| Fast Industrial Supplies Limited | Construction | 2018 |
| Fast Track Your Sales Ltd | Information & communication | 2004 |
| Fastline Simulation Ltd | Wholesale & retail | 2007 |
| FAT Cars Ltd | Wholesale & retail | 2014 |
| Fatfishgenetics Limited | Other services | 2022 |
| Fawcetts Liners (Longton) Ltd | Manufacturing | 2021 |
| Fawsi Services Ltd | Construction | 2026 |
| Faysal Enterprise Ltd | Wholesale & retail | 2025 |
| Fazpack Ltd | Wholesale & retail | 2020 |
| Fbaprep UK Ltd | Transport & logistics | 2015 |
| FCK (Blackpool) Limited | Hospitality | 2005 |
| FCM Digital Limited | Information & communication | 2016 |
| Fcms (NW) Limited | Administrative & support | 2004 |
| Fcms Dental Limited | Extraterritorial | 2013 |
| FCR Energy Consultants Ltd | Construction | 2015 |
| FDF Holdings Ltd | Administrative & support | 2016 |
| Feastabout Ltd | Hospitality | 2024 |
| Feathers Hotel Blackpool Ltd | Hospitality | 2025 |
| Febland Group Limited | Wholesale & retail | 1963 |
| Federated Solutions Ltd | Information & communication | 2019 |
| Federation of Small Businesses Limited | Extraterritorial | 2010 |
| Feeling Yachting Limited | Extraterritorial | 2021 |
| Feeney Plumbing Limited | Construction | 2022 |
| Feentero Ltd | Wholesale & retail | 2019 |
| Feet First Worldwide | Administrative & support | 2005 |
| Fellborough Lodge Limited | Households | 1975 |
| Fellview Healthcare Limited | Health & social care | 2008 |
| Feltons Surplus Stores Limited | Wholesale & retail | 2013 |
| Fenja Marketing Limited | Professional & scientific | 2025 |
| Ferguson & Mcilveen Holdings Limited | Wholesale & retail | 2025 |
| Fergusons the Jewellers Limited | Administrative & support | 2004 |
| Fermain Consulting Limited | Professional & scientific | 2013 |
| Ferndales Properties Ltd | Real estate | 2018 |
| Fernlea Hotel (Blackpool) Limited | Hospitality | 1997 |
| Ferrie (Blackpool) Limited | Real estate | 1966 |
| Festivanta Group Ltd | Wholesale & retail | 2025 |
| Fetherstonhaugh & Cholmondeley-Farquharson Limited | Professional & scientific | 2018 |
| FG Risk Consultancy Limited | Professional & scientific | 2019 |
| FHD Management Limited | Real estate | 2015 |
| FHT Transport Services Ltd | Administrative & support | 2012 |
| FHT Travel Ltd | Administrative & support | 2002 |
| Fibonaccipro Ltd | Information & communication | 2018 |
| Fidess Consulting Limited | Information & communication | 2014 |
| Fiducia Qualitas Consultancy Services Limited | Information & communication | 2007 |
| Fieldway Advertising Services Limited | Professional & scientific | 2001 |
| Fifty Seven Digital Limited | Information & communication | 2017 |
| Figaro Global Services Ltd | Information & communication | 2011 |
| Fikra IT Consultancy Limited | Information & communication | 2019 |
| Filling Station 19 Limited | Hospitality | 2019 |
| Financial Funding (Fylde) Limited | Financial services | 1993 |
| Finegan Strong Ltd | Arts & recreation | 2019 |
| Finlay Funeral Products Limited | Wholesale & retail | 2025 |
| Finmade Ltd | Real estate | 2025 |
| Fintaxco Ltd | Professional & scientific | 2023 |
| Fintech Design Limited | Information & communication | 2015 |
| Fire Optechs Ltd | Administrative & support | 2016 |
| Fire Safety Law Limited | Education | 2021 |
| Firefly Consultancy Services Ltd | Information & communication | 2019 |
| Firewill Limited | Information & communication | 2014 |
| Firework Hung Ltd | Wholesale & retail | 2019 |
| Firmware Labs Limited | Information & communication | 2014 |
| First Call Medical Solutions Ltd | Public administration | 2025 |
| First Contact Technology Limited | Information & communication | 2007 |
| First Property Repairs Limited | Administrative & support | 2008 |
| First Shock Defibrillation Limited | Wholesale & retail | 2024 |
| First Step Virtual Podiatry Ltd | Administrative & support | 2024 |
| Firstmarch TV Limited | Arts & recreation | 2006 |
| Firstprime Cleaning Solutions Ltd | Administrative & support | 2025 |
| Firstseed Ltd | Wholesale & retail | 2019 |
| Fish &Chips Blackpool Ltd | Hospitality | 2025 |
| Fish Ahoy Ltd | Hospitality | 2021 |
| Fish for Motors Limited | Wholesale & retail | 2014 |
| Fish Motors Trade Sales Limited | Wholesale & retail | 2018 |
| Fish of Thames Ltd | Hospitality | 2024 |
| Fishers Joinery Ltd | Construction | 2019 |
| Fishing Tackle Direct UK Limited | Wholesale & retail | 2022 |
| Fit Apparel Ltd | Manufacturing | 2023 |
| Fitfixnorthwest Ltd | Construction | 2025 |
| Fitforschool Limited | Arts & recreation | 2023 |
| Fitique Limited | Professional & scientific | 2025 |
| Fitness With MTB Ltd | Other services | 2021 |
| Fitzrovia Associates Limited | Professional & scientific | 2019 |
| Five Bridges Health and Wellness Ltd | Other services | 2019 |
| Five Bridges Ltd | Wholesale & retail | 2019 |
| Five Sketches Consulting Ltd | Professional & scientific | 2016 |
| FIX UP Productions Limited | Information & communication | 1996 |
| Fizzy Ducks Ltd | Extraterritorial | 2014 |
| FJ Ports (Fleetwood) Ltd | Transport & logistics | 2024 |