| Fsbi Administration Limited | Administrative & support | 2019 |
| FSC (NW) Limited | Real estate | 2014 |
| FSC Supported Housing Limited | Hospitality | 2025 |
| Fsev Limited | Professional & scientific | 2012 |
| FSF Personal Training Ltd | Health & social care | 2024 |
| FSG Football Services Limited | Financial services | 2024 |
| Fsgp Limited | Professional & scientific | 2025 |
| Fshs Investments Ltd | Financial services | 2019 |
| Fspmco Ltd | Construction | 2015 |
| FSW BB Limited | Wholesale & retail | 2018 |
| FSW GT Limited | Wholesale & retail | 2018 |
| FSW SS Limited | Wholesale & retail | 2018 |
| FT Football Coaching Ltd | Education | 2025 |
| FTB Investment Ltd | Real estate | 2023 |
| Ftees Properties Ltd | Households | 2025 |
| Ftlg Properties Limited | Real estate | 2025 |
| FTM Contractors Ltd | Construction | 2026 |
| Ftvl Services Limited | Administrative & support | 2023 |
| FU Acupuncture & Herbal Medicine Limited | Other services | 2016 |
| FU Ventures Ltd | Professional & scientific | 2022 |
| FU WOK Limited | Hospitality | 2024 |
| Fuad Retail Company Limited | Information & communication | 2019 |
| Fubar Agency Ltd | Wholesale & retail | 2022 |
| Fubo Ltd | Manufacturing | 2004 |
| Fudge Cosmetics Ltd | Manufacturing | 2016 |
| Fuel the Fire Management Limited | Information & communication | 2024 |
| Fuel&Go Limited | Wholesale & retail | 2025 |
| Fuerteventura Real Estate Limited | Households | 2025 |
| Fugsy Ltd | Other services | 2015 |
| Fulcrum (Sheffield) Management Company Limited | Households | 2005 |
| Fulcrum Advisory Service Ltd | Public administration | 2024 |
| Fulcrum Brewing Limited | Manufacturing | 2025 |
| Fulham Edward Ltd | Wholesale & retail | 2024 |
| Fulin Ltd | Hospitality | 2022 |
| Full Charge Vending Ltd | Wholesale & retail | 2026 |
| Full Circle Agencies Ltd | Wholesale & retail | 2018 |
| Full Control Ltd | Construction | 2019 |
| Full Eagle Management Ltd | Administrative & support | 2015 |
| Full Time Fits Ltd | Wholesale & retail | 2024 |
| FULL40 Training Program Limited | Arts & recreation | 2024 |
| Fullalove Contracting Limited | Professional & scientific | 2014 |
| Fullbargains.Co.Uk Ltd | Wholesale & retail | 2021 |
| Fulleng Ltd | Administrative & support | 2017 |
| Fullhouse Chinese Restaurant Limited | Hospitality | 2018 |
| Fullstopsolutions Ltd | Professional & scientific | 2026 |
| Fullwood Care Limited | Health & social care | 2006 |
| Fullwood Development Ltd | Real estate | 2022 |
| Fully Thermal Holding Limited | Financial services | 2024 |
| Fulwood Financial Services (Liverpool) Limited | Financial services | 2009 |
| Fumecare Limited | Manufacturing | 2009 |
| Fumi Food Ltd | Hospitality | 2025 |
| FUN Learning & Exploring Company Ltd | Education | 2026 |
| FUN Time Mascots Limited | Wholesale & retail | 2015 |
| FUN Times Activity Club Ltd | Education | 2016 |
| FUN1STFOOTBALL Ltd | Arts & recreation | 2018 |
| Funance C.I.C. | Education | 2025 |
| Function Zero Limited | Information & communication | 2011 |
| Functional Holdings Ltd | Financial services | 2025 |
| Functional Movement Physiotherapy Limited | Other services | 2025 |
| Fungibros. Ltd | Health & social care | 2024 |
| Fungicity Ltd | Wholesale & retail | 2025 |
| Funk and Bloom Ltd | Wholesale & retail | 2022 |
| Funk Films Ltd | Administrative & support | 2025 |
| Funky Feet School of Dance Ltd | Arts & recreation | 2017 |
| Funky Pooch Ltd | Hospitality | 2025 |
| Funkyrreptiles Limited | Agriculture & fishing | 2026 |
| FUNNEL8 Ltd | Professional & scientific | 2016 |
| Fura Properties Ltd | Construction | 2023 |
| Furever Friends Pet Care Limited | Other services | 2024 |
| Furlong Consultancy Limited | Information & communication | 2017 |
| Furlong Enterprises Limited | Real estate | 2019 |
| Furlong Property Management Ltd | Households | 2019 |
| Furlong Surveys Limited | Professional & scientific | 2020 |
| Furlongs Travel Limited | Transport & logistics | 2005 |
| Furness Quay Phase 4 Limited | Construction | 2016 |
| Furnish That Room Limited | Wholesale & retail | 2004 |
| Furniture Direct for Less Ltd | Wholesale & retail | 2026 |
| Furniture Resource Centre Limited | Health & social care | 1988 |
| Furniture World (Birkenhead) Limited | Wholesale & retail | 1999 |
| Furology Ltd | Other services | 2025 |
| Furqan Marketer Ltd | Wholesale & retail | 2026 |
| Furry Tails North West CIC | Health & social care | 2023 |
| Furrytails Walks Limited | Other services | 2024 |
| Further Developments Limited | Real estate | 2003 |
| Furthest Boundary Press Ltd | Information & communication | 2017 |
| Fusion Autocraft Car Restoration Limited | Wholesale & retail | 2026 |
| Fusion Fibre Ltd | Information & communication | 2021 |
| Fusion HR Ltd | Administrative & support | 2020 |
| Fusion Implants Holdings Ltd | Financial services | 2025 |
| Fusion Implants International Ltd | Manufacturing | 2025 |
| Fusion Implants Ltd. | Manufacturing | 2013 |
| Fusion O Ltd | Wholesale & retail | 2022 |
| FUSION4 Design Solutions & Developments Limited | Professional & scientific | 2024 |
| FUSION4 Property Ltd | Real estate | 2026 |
| Fusionrhythm Ltd | Transport & logistics | 2020 |
| Futomaki Ltd | Hospitality | 2023 |
| Future 3 Architecture Ltd | Construction | 2018 |
| Future Advance Ltd | Financial services | 2026 |
| Future Aspiration North West Limited | Health & social care | 2025 |
| Future Beans Limited | Wholesale & retail | 2023 |