| Funchy Ltd | Wholesale & retail | 2012 |
| Functional Consumer Products Limited | Manufacturing | 2024 |
| Fundays in Nottinghamshire | Professional & scientific | 2002 |
| Funded Energy Solutions Limited | Professional & scientific | 2015 |
| Funding Support (East Midlands) Limited | Professional & scientific | 2016 |
| Fundingfix Solutions Ltd | Professional & scientific | 2021 |
| Funeral Partners Bidco Limited | Financial services | 2015 |
| Funeral Partners Holdco Limited | Financial services | 2015 |
| Funeral Partners Limited | Other services | 2007 |
| Funeral Partners Midco Limited | Financial services | 2015 |
| Funeral Partners Topco Limited | Financial services | 2015 |
| Funeral Services Northern Ireland Limited | Other services | 2000 |
| Funeral Services Partnership Limited | Financial services | 2007 |
| Funerals Made Simple Limited | Extraterritorial | 2005 |
| Funerals on a Budget Ltd | Extraterritorial | 1954 |
| Funfair Rides UK Ltd | Arts & recreation | 2023 |
| Funhouse Comedy Ltd | Arts & recreation | 2003 |
| Funkey-Care Ltd | Health & social care | 2025 |
| Funkey-Homes Ltd | Real estate | 2025 |
| Funktion Services Limited | Information & communication | 2017 |
| Funky Fones Connect Ltd | Wholesale & retail | 2025 |
| Funky Fones Ltd | Wholesale & retail | 2017 |
| Funky FOX Signs Ltd | Administrative & support | 2019 |
| Funky Squirrel Workshop Limited | Wholesale & retail | 2025 |
| Funky Studios Limited | Arts & recreation | 2013 |
| Funny Photo Remix Ltd | Information & communication | 2012 |
| Furayha Ltd | Health & social care | 2025 |
| Furbabies Day Care Ltd | Agriculture & fishing | 2019 |
| Furbvv Ltd | Health & social care | 2022 |
| Furcare Ltd | Agriculture & fishing | 2025 |
| Furious Recruitment Ltd | Wholesale & retail | 2024 |
| Furl Living Furniture Limited | Manufacturing | 2007 |
| Furlong Investments Limited | Real estate | 1984 |
| Furlong Street Garage Limited | Wholesale & retail | 2013 |
| Furness Vale Management Limited | Real estate | 2026 |
| Furniture and Interiors Ltd. | Wholesale & retail | 2011 |
| Furniture Boulevard Ltd | Wholesale & retail | 2019 |
| Furnwood Limited | Wholesale & retail | 1993 |
| Furnwood Productions Limited | Extraterritorial | 1949 |
| Furry ELK Media Ltd | Information & communication | 2025 |
| Fury TNT Limited | Arts & recreation | 2019 |
| Fuse Design Limited | Professional & scientific | 2007 |
| Fused Ltd | Real estate | 2015 |
| Fush Limited | Manufacturing | 2025 |
| Fusilier Group Ltd | Manufacturing | 2025 |
| Fusion Deserts Limited | Hospitality | 2026 |
| Fusion Electricals and Fire Ltd | Construction | 2026 |
| Fusion Fiesta Ltd | Wholesale & retail | 2023 |
| Fusion Graphic Design Limited | Professional & scientific | 2011 |
| Fusion Gurkha Ltd | Hospitality | 2024 |
| Fusion Medical Equipment Services Ltd | Manufacturing | 2025 |
| Fusion Multi Sport Academy CIC | Arts & recreation | 2025 |
| Fusion Nottingham Limited | Hospitality | 2026 |
| Fusion Pizza and Peri Peri Ltd | Hospitality | 2025 |
| Fusion Signs Limited | Manufacturing | 2010 |
| Fusion Treats Limited | Hospitality | 2024 |
| Fussyarchive Ltd | Wholesale & retail | 2024 |
| FUTORO2000 Limited | Wholesale & retail | 2017 |
| Future Care Recruitment Ltd | Information & communication | 2017 |
| Future Cladding Systems Ltd | Construction | 2009 |
| Future Enterprise Ventures Ltd | Real estate | 2019 |
| Future Focus Care Limited | Health & social care | 2024 |
| Future Foundations Housing Group Ltd | Health & social care | 2024 |
| Future Foundry Holdings Ltd | Real estate | 2026 |
| Future Friendly Ltd | Information & communication | 2014 |
| Future Health Security Guarantee Limited | Professional & scientific | 2013 |
| Future Innovation College Ltd. | Education | 2023 |
| Future International Education UK Ltd | Education | 2024 |
| Future KV Corporation Ltd | Health & social care | 2022 |
| Future Moon Technology Ltd | Information & communication | 2025 |
| Future Motion Limited | Wholesale & retail | 2008 |
| Future Nail Store Ltd | Hospitality | 2018 |
| Future Proof Properties Limited | Real estate | 2011 |
| Future Properties Group Limited | Real estate | 2018 |
| Future Service Ltd | Other services | 2019 |
| Future Waves Information Ltd | Information & communication | 2023 |
| Futureflow Transport Planning Limited | Professional & scientific | 2025 |
| Futurepay Services Ltd | Financial services | 2025 |
| Futures Advice, Skills and Employment Limited | Education | 2001 |
| Futures Elevated Ltd | Education | 2026 |
| Futures Family Mediation Ltd | Professional & scientific | 2023 |
| Fuyuki Investment and Development Company Limited | Real estate | 2012 |
| FV Dwelling Limited | Hospitality | 2025 |
| FV Electrical Ltd | Construction | 2024 |
| Fwang Limited | Real estate | 2025 |
| FWP Plumbers Nottingham Limited | Construction | 2014 |
| FWP UK Holdings Limited | Financial services | 2025 |
| FX Pedal Planet Limited | Administrative & support | 2020 |
| FXD Fitness Ltd | Arts & recreation | 2020 |
| Fxshion Co. Ltd | Wholesale & retail | 2025 |
| FY Bevan Ltd | Construction | 2022 |
| FY Property Holdings Ltd | Real estate | 2020 |
| Fyctiona Mediatech Ltd | Information & communication | 2026 |
| Fyfield Sales Solutions Ltd | Professional & scientific | 2022 |
| Fynin Ltd | Wholesale & retail | 2026 |
| Fzami (PVT). Limited | Wholesale & retail | 2026 |
| Fzhc Ltd | Health & social care | 2021 |
| G & B Boyce Properties Limited | Real estate | 2024 |
| G & C Ellinas Property Company Limited | Real estate | 2024 |
| G & J Cutts & SON Limited | Transport & logistics | 2002 |