| Full Circle Recruitment Services Ltd | Administrative & support | 2020 |
| Full Scale Dynamics Limited | Professional & scientific | 2008 |
| Full Scope Services Limited | Construction | 2013 |
| Full Time Creative Limited | Extraterritorial | 2001 |
| Full Time Marketing Limited | Extraterritorial | 1997 |
| Fullabass Electronics Ltd | Construction | 2024 |
| Fullam Ketch Fitness Ltd | Arts & recreation | 2026 |
| Fullform Studio Ltd | Professional & scientific | 2024 |
| Fullmoon Property and Investment Limited | Households | 2019 |
| Fully Aktiv Ltd | Wholesale & retail | 2026 |
| Fulmarks Financial Contracts Ltd | Professional & scientific | 2006 |
| Fulwood Corporate Ltd | Hospitality | 2019 |
| Fulwood Engineering Ltd | Professional & scientific | 2022 |
| Fulwood Healthcare Limited | Health & social care | 2013 |
| Fulwood Hills Trading Ltd | Construction | 2026 |
| Fulwood Hospitality Ltd | Hospitality | 2025 |
| Fulwood Market Ltd | Wholesale & retail | 2025 |
| Fulwood Park Mansions Management Company Limited | Households | 1984 |
| Fulwood Pet Supplies & Grooming Ltd | Wholesale & retail | 2022 |
| Fulwood Properties Limited | Real estate | 2023 |
| Fulwood Property Services Limited | Construction | 2000 |
| Fulwood Restaurants Ltd | Hospitality | 2019 |
| Fulwood Sports Club Limited | Arts & recreation | 1910 |
| Fuma Holdings Ltd | Professional & scientific | 2019 |
| FUN Loving Professionals Limited | Administrative & support | 2025 |
| Functional Nutrition Limited | Other services | 2007 |
| Funcy EAT Ltd | Hospitality | 2026 |
| Fundamental. Fundraising Ltd | Professional & scientific | 2025 |
| Funding 4 Sport Ltd | Administrative & support | 2015 |
| Fundingo Investment Ltd | Real estate | 2019 |
| Fungi Tech Solutions Ltd | Information & communication | 2026 |
| Funky Bunk Beds Limited | Manufacturing | 2017 |
| Funky Thinkers Ltd | Information & communication | 2019 |
| Funny MAN Films Limited | Information & communication | 1993 |
| Funserts Ltd | Wholesale & retail | 2017 |
| Funtime Parties and Mascots Ltd | Arts & recreation | 2019 |
| Furaha Women's Hub CIC | Education | 2025 |
| Furban Limited | Manufacturing | 1998 |
| Furever Woof Ltd | Wholesale & retail | 2025 |
| Furies Limited | Other services | 2005 |
| Furious BEE Limited | Information & communication | 2014 |
| Furndown Limited | Hospitality | 2021 |
| Furniss & Sons Ltd | Construction | 2013 |
| Furniss and White (Foundries) Limited | Manufacturing | 1980 |
| Furniss Corporate Services Limited | Financial services | 2015 |
| Furniss Technical Services Ltd | Administrative & support | 2013 |
| Furniture at Trade Ltd | Administrative & support | 2017 |
| Furniture Imports Ltd | Wholesale & retail | 2018 |
| Furrycanvas Limited | Wholesale & retail | 2025 |
| Fusco Browne Children Services Ltd | Health & social care | 2020 |
| Fusco Browne Healthcare Ltd | Health & social care | 2015 |
| Fusco Browne Immigration Limited | Professional & scientific | 2013 |
| Fuse Alternative Provision CIC | Education | 2024 |
| Fuse Media Agency Limited | Professional & scientific | 2025 |
| Fusion Boxing Limited | Arts & recreation | 2023 |
| Fusion Contractors Limited | Construction | 2020 |
| Fusion Five Technologies Limited | Information & communication | 2024 |
| Fusion Foodz Limited | Hospitality | 2022 |
| Fusion of Flavour Meal Prep & Catering Service Ltd | Manufacturing | 2025 |
| Fusionav (Cheshire) Ltd | Construction | 2024 |
| Fusions Property Ltd | Real estate | 2022 |
| Futa Co. Limited | Wholesale & retail | 2017 |
| Future 19 Social Care Limited | Health & social care | 2019 |
| Future AP Limited | Education | 2025 |
| Future Care Solutions Limited | Professional & scientific | 2023 |
| Future Category Solutions Ltd | Professional & scientific | 2021 |
| Future Electrical Solutions Ltd | Construction | 2022 |
| Future Fibre Optics Limited | Construction | 2011 |
| Future Field Limited | Administrative & support | 2024 |
| Future Greens Farms Ltd | Agriculture & fishing | 2022 |
| Future Health Solutions (Consultancy) Ltd | Professional & scientific | 2014 |
| Future Life 4 ME Ltd | Professional & scientific | 2026 |
| Future Medicare Ltd | Wholesale & retail | 2017 |
| Future Nest Builders Ltd | Construction | 2026 |
| Future Pace Development Ltd | Professional & scientific | 2007 |
| Future Proof Fencing Ltd | Wholesale & retail | 2020 |
| Future Research Limited | Professional & scientific | 2012 |
| Future Spa Ltd | Health & social care | 2017 |
| Future Step Football Academy Ltd | Education | 2025 |
| Future Wise Global Education Limited | Education | 2026 |
| Futured Group Ltd | Information & communication | 2026 |
| Futureproof Tech Ltd | Information & communication | 2020 |
| Futures Assured Limited | Financial services | 2002 |
| Fuwei Ltd | Hospitality | 2024 |
| Fuzion Bitez Ltd | Hospitality | 2024 |
| Fuzzy Audio Limited | Information & communication | 2023 |
| FW Solutions Limited | Professional & scientific | 2008 |
| FWD Motion Limited | Professional & scientific | 2005 |
| FWE (Cardiff) Limited | Hospitality | 2021 |
| FX Oriental Group Limited | Wholesale & retail | 2018 |
| FX Stage Productions Ltd | Professional & scientific | 2019 |
| Fyfe Financial Limited | Financial services | 2002 |
| Fyfl Medicals Ltd | Health & social care | 2024 |
| Fylde Packaging & Machinery Ltd | Wholesale & retail | 2025 |
| FYP Marketing UK Ltd | Information & communication | 2024 |
| FYP Social Media Ltd | Information & communication | 2024 |
| Fytr Ltd | Information & communication | 2025 |
| FZ United Group Ltd | Extraterritorial | 2026 |
| FZA Architecture Ltd | Professional & scientific | 2022 |
| G & a Media Services Ltd | Information & communication | 2020 |