| Fullstack-Qa Limited | Information & communication | 2016 |
| Fully Digital Ltd | Administrative & support | 2024 |
| Fulscot Power Ltd | Energy | 2019 |
| Fultoo Limited | Information & communication | 2012 |
| Fulwoods Catering Ltd | Manufacturing | 2024 |
| FUN2B Sensory Ltd | Arts & recreation | 2023 |
| Functional Backpacks (Holdings) Limited | Wholesale & retail | 2022 |
| Functional Backpacks Ltd | Wholesale & retail | 2018 |
| Functional Software Solutions Ltd | Administrative & support | 2014 |
| Fundu Consulting Ltd | Professional & scientific | 2023 |
| Fung 88 Ltd | Hospitality | 2024 |
| Funky Friends Link Club Limited | Education | 2010 |
| Funky Furniture Hire (Properties) Limited | Wholesale & retail | 2012 |
| Funky Furniture Hire Limited | Wholesale & retail | 2021 |
| Furve Limited | Information & communication | 2023 |
| Fuse BI Ltd | Professional & scientific | 2013 |
| Fuse Powder Clinic Limited | Wholesale & retail | 2020 |
| Fusion Elec Ltd | Construction | 2021 |
| Fusion GAS Ltd | Construction | 2019 |
| Fusion Utility Networks Limited | Professional & scientific | 2011 |
| Fusion Ventures Group Ltd | Financial services | 2022 |
| Fusion’S GOT Talent Ltd | Administrative & support | 2022 |
| Future Ambitions Investments LLP | | 2018 |
| Future Energy (NW) Ltd | Administrative & support | 2013 |
| Future Engineering Limited | Administrative & support | 2025 |
| Future Home Care Ltd. | Health & social care | 2003 |
| Future Performance Training Ltd | Arts & recreation | 2026 |
| Futurelink Services Limited | Other services | 2019 |
| Futures Capacity Academy Ltd | Professional & scientific | 2024 |
| Futures Diamond Ltd | Information & communication | 2013 |
| Futurestem Limited | Administrative & support | 2020 |
| Futurist Ventures Ltd | Information & communication | 2023 |
| Fuzeworks Limited | Transport & logistics | 2023 |
| FV432 Limited | Hospitality | 2025 |
| Fylde Coast Education Centre Limited | Education | 2026 |
| Fynnesse Ltd | Professional & scientific | 2018 |
| Fynnesse Property Ltd | Real estate | 2020 |
| Fyre Learning Limited | Information & communication | 2025 |
| FZM Holdings Ltd | Financial services | 2025 |
| G & a Fidler Ltd | Administrative & support | 2011 |
| G & G Partnership Limited | Construction | 1999 |
| G & J Whittaker Limited | Manufacturing | 2001 |
| G & T Consulting Services Ltd | Professional & scientific | 2019 |
| G B L Solutions Limited | Energy | 2010 |
| G Catlin Limited | Other services | 2018 |
| G D Mansfield Properties Limited | Wholesale & retail | 2011 |
| G Elongo Engineering Ltd | Professional & scientific | 2018 |
| G Green Electrical Services Limited | Administrative & support | 2009 |
| G I Health Care Ltd | Health & social care | 2020 |
| G M Commercials Limited | Other services | 2020 |
| G M Lucas Transport Services Ltd | Transport & logistics | 2011 |
| G Millward Clinical Research Ltd | Administrative & support | 2015 |
| G P Hill Ltd | Administrative & support | 2019 |
| G T Builders Limited | Construction | 2002 |
| G T Detergents Ltd | Wholesale & retail | 2003 |
| G Trainor IT Consultancy Limited | Administrative & support | 2015 |
| G W I Solutions Ltd | Construction | 2022 |
| G&H Construction (Warrington) Limited | Construction | 2015 |
| G&H Dentlink Ltd | Health & social care | 2026 |
| G&J Distillers Ltd. | Manufacturing | 2011 |
| G&S MOT Centre Warrington Ltd | Wholesale & retail | 2025 |
| G-Lo Regeneration Limited | Professional & scientific | 2017 |
| G-Tec Highways Ltd | Construction | 2024 |
| G-Tech Design Services Limited | Administrative & support | 2023 |
| G. Capper Consulting Limited | Administrative & support | 2023 |
| G. Fallon Joinery Ltd | Construction | 2015 |
| G.D.I. Air Conditioning Specialist Limited | Construction | 2001 |
| G.E.T.N.O.L Ltd | Administrative & support | 2023 |
| G.H. Rigby Pipe Supports Limited | Extraterritorial | 2011 |
| G.H.Rigby and SON Limited | Construction | 1943 |
| G.L.I Services Limited | Administrative & support | 2024 |
| G.M.X Tech Ltd | Manufacturing | 2021 |
| G.R. Consultancy Services Limited | Professional & scientific | 1982 |
| G.R.S. Civils Limited | Professional & scientific | 2023 |
| G.T.M. Heavy Rentals Limited | Manufacturing | 2004 |
| G.V.Cox Ltd | Hospitality | 2007 |
| G2 Creative Solutions Ltd | Information & communication | 2018 |
| G2G2B Limited | Administrative & support | 2026 |
| G7 Professional Services Ltd | Administrative & support | 2014 |
| Gaap Securities Limited | Professional & scientific | 1993 |
| GAB Properties Limited | Real estate | 2016 |
| Gabman Limited | Professional & scientific | 2017 |
| Gabman Ventures LLP | | 2019 |
| Gabriel Cucuzel Ltd | Transport & logistics | 2020 |
| Gabriel Kitchen Design Limited | Construction | 2021 |
| GAD Cliff Limited | Information & communication | 2011 |
| Gagen Engineering Ltd | Administrative & support | 2023 |
| Gaia Cafes Ltd | Hospitality | 2026 |
| Gairloch Hotel Limited | Hospitality | 2016 |
| Galadia Limited | Health & social care | 2021 |
| Galard Homes Ltd | Real estate | 2025 |
| Galaxination Limited | Wholesale & retail | 2025 |
| Gale Media Ltd | Other services | 2021 |
| Galemoss Properties LLP | | 2023 |
| Gallagher Logistics Services Limited | Transport & logistics | 2019 |
| Galley Bridge (Holdings) Limited | Professional & scientific | 2002 |
| Gallshop Limited | Wholesale & retail | 2022 |
| Galperti Group UK the Original Ltd | Wholesale & retail | 2013 |
| Gambetta Limited | Hospitality | 2019 |
| Gamechanger Associates Limited | Wholesale & retail | 2016 |