| FOX Consultants Limited | Professional & scientific | 2003 |
| Foxwarm Properties Ltd | Real estate | 2023 |
| Foxyfelinefur Ltd | Wholesale & retail | 2025 |
| FP Redhill Ltd | Real estate | 2016 |
| FPG Holding Ltd | Financial services | 2021 |
| Frames for Images Ltd | Wholesale & retail | 2020 |
| Frances Street Management Company Limited | Real estate | 1979 |
| Frankel Randhawa Limited | Information & communication | 2015 |
| Franklin Homes Limited | Health & social care | 1994 |
| Fransel Trading Ltd | Wholesale & retail | 2021 |
| Fratres Limited | Information & communication | 2014 |
| Frazer Close Associated Management Company Limited | Households | 2006 |
| Freaca Menta Ltd | Administrative & support | 2018 |
| Frednel Commercial Management Services Limited | Professional & scientific | 2021 |
| Freedom 2 Thrive Limited | Construction | 2025 |
| Freeze Productions and Events Ltd | Arts & recreation | 2023 |
| Freezecakes Limited | Manufacturing | 2018 |
| Frehem Ltd | Wholesale & retail | 2020 |
| Freight Consol International Ltd | Transport & logistics | 2022 |
| Freight Global Exchange Limited | Agriculture & fishing | 2017 |
| Freight Systems (UK) Limited | Transport & logistics | 2004 |
| Freightech Ltd | Professional & scientific | 2018 |
| Freman & Co. Ltd. | Real estate | 2000 |
| Frenches Farm Livery Limited | Agriculture & fishing | 2017 |
| Frenolonti Limited | Financial services | 2025 |
| Fresh Naan Bakery Ltd | Manufacturing | 2026 |
| Freshfield Associates Ltd | Professional & scientific | 2005 |
| Fretsore Records Ltd | Professional & scientific | 2012 |
| Friends IT Solutions Ltd | Information & communication | 2026 |
| Fries and Caviar Ltd | Hospitality | 2021 |
| Friz Brands Ltd | Wholesale & retail | 2021 |
| Frobisher House Property Limited | Extraterritorial | 2013 |
| Frontasset Residents Management Limited | Real estate | 1986 |
| Frontier Partners Limited | Professional & scientific | 2020 |
| Fruche Consulting Limited | Other services | 2018 |
| Fruit & Vegetable Land Ltd | Wholesale & retail | 2024 |
| Frys Carpentry Ltd | Construction | 2019 |
| FS Interior and Designer Ltd | Wholesale & retail | 2024 |
| FS the Creative Ltd | Wholesale & retail | 2025 |
| FT Synergy Group Limited | Administrative & support | 2025 |
| Fujian Taijiang Trade Ltd | Other services | 2025 |
| Fulham PUB Services Ltd | Hospitality | 2026 |
| Full House Refurbishment Limited | Construction | 2018 |
| Fullers Autos Limited | Wholesale & retail | 2012 |
| FUN in Sport Limited | Education | 2012 |
| Funk Ltd | Manufacturing | 2025 |
| Funky Store Ltd | Extraterritorial | 2015 |
| Funky Yards Grill UN Limited | Hospitality | 2025 |
| Funtastic Parties Productions Ltd | Information & communication | 2025 |
| Furlong Scenery Ltd | Manufacturing | 2021 |
| Furnish 1 Ltd | Wholesale & retail | 2018 |
| Furniture Installation Specialist Ltd | Administrative & support | 2011 |
| Furniture Valley Home Ltd | Wholesale & retail | 2019 |
| Fusion Flicks Production Ltd | Information & communication | 2025 |
| Fusionexis Limited | Information & communication | 2026 |
| Futunity UK Limited | Education | 2018 |
| Future Couriers Ltd | Transport & logistics | 2023 |
| Future F S Ltd | Financial services | 2016 |
| Future Fame Construction Ltd | Construction | 2025 |
| Future Stars Coaching Burnham & the Poldens Ltd | Health & social care | 2024 |
| Futuretrust Consulting Ltd | Professional & scientific | 2024 |
| Fuxen Limited | Wholesale & retail | 2024 |
| FV02 Limited | Administrative & support | 2018 |
| Fzon Limited | Wholesale & retail | 2016 |
| G Barrow Transport Ltd | Transport & logistics | 2021 |
| G H Dhindsa Construction Ltd | Construction | 2024 |
| G N Rochester Limited | Professional & scientific | 2010 |
| G S Bhuller Properties Limited | Real estate | 2025 |
| G S G Double Glazing Ltd | Construction | 2018 |
| G Square Consultants Limited | Other services | 2020 |
| G&L AV Ltd | Construction | 2025 |
| G28 Parts Ltd | Wholesale & retail | 2022 |
| Gabrian Construction Ltd | Construction | 2016 |
| Gadget Talent UK Ltd | Wholesale & retail | 2022 |
| Gadgets IQ Tech Ltd | Wholesale & retail | 2025 |
| Gael 4CE Limited | Extraterritorial | 2015 |
| Gagandeep Singh Limited | Construction | 2025 |
| Gaia Eco Systems Ltd | Construction | 2022 |
| GAJ Property Limited | Real estate | 2025 |
| Galactic Consulting Ltd | Administrative & support | 2014 |
| Galactic P. Ltd | Health & social care | 2025 |
| Galaxy 1 Communications Ltd. | Information & communication | 2013 |
| Galaxy Design & Developer Ltd | Construction | 2026 |
| Galaxy Distribution Limited | Wholesale & retail | 2011 |
| Galaxy EU Trading Limited | Wholesale & retail | 2012 |
| Galcross Engineering Limited | Professional & scientific | 2007 |
| Galcross Properties Limited | Real estate | 2020 |
| Gallery KIY Ltd | Wholesale & retail | 2015 |
| Galliford Construction Limited | Information & communication | 2005 |
| Galliford TRY (Water) Limited | Construction | 2021 |
| Galliford TRY Asset Intelligence Limited | Water & waste | 2022 |
| Galliford TRY Construction & Investments Holdings Limited | Professional & scientific | 2002 |
| Galliford TRY Construction Limited | Construction | 1990 |
| Galliford TRY Developments Limited | Construction | 2020 |
| Galliford TRY Digital Infrastructure Limited | Construction | 2022 |
| Galliford TRY Employment Limited | Construction | 1988 |
| Galliford TRY Facilities Management Limited | Administrative & support | 2019 |
| Galliford TRY Holdings PLC | Construction | 2019 |
| Galliford TRY HPS Limited | Construction | 2009 |
| Galliford TRY Investments Consultancy Services Limited | Administrative & support | 2015 |