| Funtronic Ltd | Professional & scientific | 2016 |
| Fupm Ltd | Construction | 2019 |
| Furat Acquisitions Ltd | Wholesale & retail | 2018 |
| Furbnb Holdings Ltd | Information & communication | 2026 |
| Furike Co., Ltd | Wholesale & retail | 2021 |
| Furnisher Ltd | Wholesale & retail | 2025 |
| Furnishmyhome.Uk Ltd. | Wholesale & retail | 2021 |
| Furniture World Cardiff Ltd | Other services | 2024 |
| Furqan Global Ventures Ltd | Wholesale & retail | 2025 |
| Furryfloor Ltd | Wholesale & retail | 2025 |
| Furtuna Transport Ltd | Transport & logistics | 2019 |
| Fuseland Electrical & Mechanical Services (Cardiff) Ltd | Construction | 2024 |
| Fusepoint Direct Limited | Wholesale & retail | 2026 |
| Fusion AI Studio Ltd | Information & communication | 2025 |
| Fusion BD Investment Ltd | Real estate | 2024 |
| Fusion CF Limited | Health & social care | 2014 |
| Fusion Dental Ceramics Limited | Health & social care | 2007 |
| Fusion Dentistry Limited | Health & social care | 2015 |
| Fusion Group Cardiff Ltd | Financial services | 2025 |
| Fusion Motor Works Ltd | Wholesale & retail | 2020 |
| Fusion Nova Ltd | Wholesale & retail | 2024 |
| Fusion Retreats Ltd | Wholesale & retail | 2023 |
| Fusion Security Limited | Administrative & support | 2025 |
| Fusionbuy Ltd | Wholesale & retail | 2025 |
| Fusioncateringandevents Ltd | Hospitality | 2025 |
| Futur Deal Ltd | Wholesale & retail | 2025 |
| Futur NOD Ltd | Information & communication | 2022 |
| Futura Marketing and Promotions Limited | Education | 1999 |
| Future Batteries Ltd | Construction | 2019 |
| Future Beauty Group Limited | Professional & scientific | 2025 |
| Future Brick Limited | Real estate | 2021 |
| Future Business International Ltd | Professional & scientific | 2025 |
| Future Careers Ltd | Administrative & support | 2017 |
| Future Cast Ltd | Manufacturing | 2018 |
| Future Creation Media Limited | Information & communication | 2025 |
| Future Dawn Software Ltd | Information & communication | 2025 |
| Future Electronics 16 Ltd | Manufacturing | 2016 |
| Future Element Ltd | Wholesale & retail | 2020 |
| Future Fantasy Arts Ltd | Information & communication | 2024 |
| Future Farming Systems Ltd | Agriculture & fishing | 2022 |
| Future Finance Solutions Ltd | Other services | 2015 |
| Future Foodways Club Limited | Professional & scientific | 2021 |
| Future Fruits Limited | Wholesale & retail | 2025 |
| Future FX Markets Limited | Financial services | 2018 |
| Future Gatherings Ltd | Real estate | 2025 |
| Future GEN Developments Ltd | Construction | 2018 |
| Future Goats Ltd | Education | 2023 |
| Future Horizons Group Ltd | Information & communication | 2024 |
| Future Inns (GB) Limited | Hospitality | 2009 |
| Future Inns, Bristol, Limited Partnership | | 2007 |
| Future Inns, Plymouth General Partner, Limited Partnership | | 2008 |
| Future Inns, Plymouth, Limited Partnership | | 2005 |
| Future Inns,Bristol General Partner, Limited Partnership | | 2009 |
| Future Investment TDM Ltd | Financial services | 2021 |
| Future LAB Solutions Ltd | Information & communication | 2019 |
| Future of Boxing Ltd | Arts & recreation | 2019 |
| Future of Flight Simulator Ltd | Wholesale & retail | 2021 |
| Future Personal Best Ltd | Wholesale & retail | 2024 |
| Future Stars Coaching Cardiff Ltd | Education | 2024 |
| Future Strategy Expert Limited | Other services | 2018 |
| Future Strategy Solutions Limited | Professional & scientific | 2019 |
| Future Systems Technology Limited | Information & communication | 1995 |
| Future Talent Mgmt Limited | Professional & scientific | 2020 |
| Futurecrest Trade Limited | Water & waste | 2021 |
| Futurefit-Academy Ltd | Professional & scientific | 2025 |
| Futuregen Engineering Limited | Professional & scientific | 2025 |
| Futurescaper Limited | Administrative & support | 2011 |
| Futurewatt Electric Limited | Construction | 2026 |
| Futurewise Economics Ltd | Administrative & support | 2019 |
| Futurex Labs Limited | Information & communication | 2025 |
| Futurion Designs Limited | Wholesale & retail | 2024 |
| Futurium Investments Ltd | Real estate | 2022 |
| FW Property Assets Ltd | Real estate | 2026 |
| Fwpa Ltd | Wholesale & retail | 2024 |
| Fwqcwb Mart Ltd | Wholesale & retail | 2025 |
| FX Capital Wealth Ltd | Financial services | 2021 |
| FX Hunters Ltd | Education | 2019 |
| FX Trends Limited | Education | 2021 |
| FXC Global Ltd | Information & communication | 2025 |
| Fxtt Ltd | Hospitality | 2020 |
| Fybrkg Ltd | Wholesale & retail | 2025 |
| Fyiana Limited | Wholesale & retail | 2022 |
| Fylde Maintenance Services Limited | Construction | 2004 |
| Fylomart Ltd | Wholesale & retail | 2025 |
| Fymlabuk Ltd | Information & communication | 2025 |
| FYN Stuff Ltd | Wholesale & retail | 2025 |
| Fyntarra Ltd | Wholesale & retail | 2025 |
| FZ Management Ltd | Wholesale & retail | 2019 |
| FZ Retail Limited | Professional & scientific | 2023 |
| FZN Limited | Professional & scientific | 2013 |
| G & a Spotlight Electrical Ltd | Construction | 2017 |
| G & C Watson Properties Ltd | Real estate | 2024 |
| G & E Healthcare Ltd | Health & social care | 2017 |
| G & G Land Limited | Real estate | 2017 |
| G & J Motors (Cardiff) Limited | Wholesale & retail | 2025 |
| G & JE Trading Limited | Administrative & support | 2015 |
| G & N Medical Ltd | Health & social care | 2017 |
| G & N Sun Ltd | Financial services | 2020 |
| G & S Group of Companies Limited | Hospitality | 2024 |
| G & S Owen Ltd | Real estate | 2011 |