| Fresh and Bright Services Ltd | Construction | 2025 |
| Fresh CUT Masters Ltd | Other services | 2025 |
| Fresh Decor Ltd | Construction | 2020 |
| Fresh FOG Ltd | Administrative & support | 2024 |
| Fresh Impressionz Ltd | Construction | 2025 |
| Fresh Prints Shop Limited | Manufacturing | 2016 |
| Fresh Property Solutions Limited | Real estate | 2025 |
| Fresh Shawarma 1 Limited | Hospitality | 2025 |
| Fresh Start Freehold Limited | Real estate | 2025 |
| Freshair Limited | Administrative & support | 2003 |
| Freshmint Creative Ltd | Extraterritorial | 2026 |
| Freshstart Healthcare Services Ltd | Health & social care | 2019 |
| Fret - Don'T Fret Ltd | Wholesale & retail | 2018 |
| Freya Pizza Limited | Hospitality | 2024 |
| Friday at Five Ltd | Professional & scientific | 2019 |
| Fridgelec Ltd | Manufacturing | 2020 |
| Friendly Directorship Limited | Extraterritorial | 2025 |
| Friends Care Homes Ltd | Health & social care | 2015 |
| Friends of Tickhill Mill Field Limited | Other services | 2011 |
| Friends Together Care Homes Ltd | Health & social care | 2015 |
| Friendship and Wellbeing Hub C.I.C. | Health & social care | 2026 |
| Friendship Estates Limited | Agriculture & fishing | 1935 |
| Frobisher Court (Finningley) Management Limited | Real estate | 2017 |
| Frodas Properties Ltd | Real estate | 2024 |
| From Field to Boardroom Ltd | Professional & scientific | 2026 |
| Frontier Physical Conditioning Ltd | Arts & recreation | 2013 |
| Frontline Model Hobbies Ltd | Wholesale & retail | 2021 |
| Fruit Tree Properties Ltd | Real estate | 2019 |
| Fruit Vision Limited | Professional & scientific | 2008 |
| Fruitdale Moyser Contracting LLP | | 2025 |
| FRY and Associates Ltd | Real estate | 2016 |
| FS Capital Alternative Investments Ltd | Extraterritorial | 2022 |
| FS Capital Global Equity Limited | Extraterritorial | 2022 |
| FS Capital Group Ltd | Extraterritorial | 2022 |
| FS Capital Markets Limited | Extraterritorial | 2022 |
| FS Capital Mining & Investments Limited | Extraterritorial | 2022 |
| FSE Consultants Ltd | Financial services | 2025 |
| FSR Transport Limited | Transport & logistics | 2025 |
| FTG Solutions Ltd | Professional & scientific | 2025 |
| FTH Logistics Ltd | Transport & logistics | 2021 |
| FTM Global Recruitment LLP | | 2014 |
| FTS Consult Ltd. | Professional & scientific | 2025 |
| Fuerta Corporation Ltd | Wholesale & retail | 2018 |
| Fujian Longxi Bearing (Group) Corp Ltd | Wholesale & retail | 2026 |
| Fulcrum Technology Ltd | Professional & scientific | 2023 |
| Full Circle Solutions Limited | Water & waste | 2022 |
| Fullthrottle Mechanics Ltd | Extraterritorial | 2026 |
| Fulwood Geological Services Ltd | Professional & scientific | 2014 |
| FUN 33 Ltd | Administrative & support | 2025 |
| FUN Filled Days CIC | Health & social care | 2018 |
| Funky Group Ltd | Wholesale & retail | 2022 |
| Funky World Ltd | Wholesale & retail | 2023 |
| Funnest Limited | Manufacturing | 2026 |
| Funslinger Ltd | Manufacturing | 2010 |
| FUR, Feathers & Family Ltd | Wholesale & retail | 2020 |
| Furniture Business Solutions Ltd | Administrative & support | 2019 |
| Furniture Factors Limited | Wholesale & retail | 1985 |
| Furniture Flex Ltd | Wholesale & retail | 2025 |
| Furrwards Homes Limited | Construction | 2002 |
| Furryfun Story Ltd | Wholesale & retail | 2023 |
| Fusion Amplifiers Ltd | Manufacturing | 2024 |
| Fusion NEO Ltd | Information & communication | 2025 |
| Fusion Street Bites UK Ltd | Hospitality | 2026 |
| Fusion Thorne Limited | Hospitality | 2017 |
| Fusioworks Trade Ltd | Wholesale & retail | 2024 |
| Futur Tech Engine Ltd | Information & communication | 2025 |
| Futura Builders Limited | Real estate | 2001 |
| Future 19 Group Limited | Real estate | 2016 |
| Future 19 Limited | Real estate | 2017 |
| Future Electrical & Renewables Ltd | Construction | 2021 |
| Future Pathways CIC | Education | 2018 |
| Future Proof Innovations Group Ltd | Construction | 2021 |
| Future Sports Events Ltd | Arts & recreation | 2024 |
| Futurefolio Limited | Real estate | 2023 |
| Fuzz Cases Limited | Manufacturing | 2021 |
| Fvids Transport Ltd | Transport & logistics | 2017 |
| FWF Welding Ltd | Construction | 2009 |
| FWL Studio Ltd | Arts & recreation | 2026 |
| G & AM Investments Limited | Real estate | 2022 |
| G & B Clinical Ltd | Health & social care | 2023 |
| G & H Produce Ltd | Agriculture & fishing | 2017 |
| G & J Repairs Ltd | Wholesale & retail | 2018 |
| G & L Properties Limited | Hospitality | 2003 |
| G & O Fencing Limited | Construction | 2018 |
| G & R Jackson Limited | Construction | 2000 |
| G & SM Associates Ltd | Administrative & support | 2013 |
| G - POD Consultants Limited | Professional & scientific | 2018 |
| G B Communications (North) Limited | Administrative & support | 1991 |
| G B M Boxing Ltd | Extraterritorial | 2022 |
| G B M Events Ltd | Extraterritorial | 2022 |
| G B M Promotions Ltd | Extraterritorial | 2022 |
| G B M Sports Ltd | Information & communication | 2022 |
| G B Refurbs Ltd | Construction | 2019 |
| G Bodle Limited | Real estate | 2026 |
| G Candy Ltd | Manufacturing | 2023 |
| G Elden Enterprises Limited | Professional & scientific | 2013 |
| G Five Investments Limited | Professional & scientific | 2017 |
| G Five Management Limited | Professional & scientific | 2024 |
| G French Jewellery Limited | Wholesale & retail | 2018 |
| G G Building 24/7 Ltd | Construction | 2025 |