| Franklyn Moor Limited | Professional & scientific | 2022 |
| Fraxinus Information Technology Limited | Administrative & support | 2012 |
| Fraxsesai Ltd | Information & communication | 2026 |
| FRC Hospitality Consulting LLP | | 2022 |
| Freedom Associates Limited | Professional & scientific | 2024 |
| Freedom Financial Group UK Ltd | Financial services | 2025 |
| Freedom Group Holdings Ltd | Financial services | 2025 |
| Freedomscape Limited | Wholesale & retail | 2022 |
| Freight Personnel Recruitment Ltd | Administrative & support | 2026 |
| Frenda Ltd | Health & social care | 2023 |
| Fresh Digital Holdings Ltd | Professional & scientific | 2020 |
| Fresh Lens Project Management Ltd | Professional & scientific | 2026 |
| Fresh Resourcing Limited | Professional & scientific | 2013 |
| Fresh Start 2020 Ltd | Information & communication | 2020 |
| Freshwater Advisory Limited | Information & communication | 2023 |
| Frihd Limited | Real estate | 2022 |
| Frivolity Limited | Information & communication | 2013 |
| Front Five Properties Limited | Real estate | 2018 |
| Frontier Investment Limited | Real estate | 2015 |
| Frontline Consultancy and Business Services Limited | Information & communication | 1991 |
| Froos Enterprises Ltd | Administrative & support | 2016 |
| FS Chiro Ltd | Health & social care | 2026 |
| FTZ Machine Tool Engineers Ltd | Manufacturing | 2023 |
| Fuensanta Holdings Ltd | Real estate | 2021 |
| Fulford Project Services Limited | Information & communication | 2013 |
| Full Action Sports Limited | Arts & recreation | 2017 |
| Full Circle Marketing Ltd | Information & communication | 2020 |
| Full Court Studio Ltd | Information & communication | 2025 |
| Full Path Limited | Information & communication | 2013 |
| Fundamedical Ltd | Other services | 2011 |
| Fundamental Housing Limited | Real estate | 2024 |
| Fusion AI Limited | Information & communication | 2010 |
| Fusion Import Export Ltd. | Hospitality | 2016 |
| Future Edge Investments Limited | Financial services | 2020 |
| Futurebay Limited | Professional & scientific | 2006 |
| Fylde Hand Surgery Limited | Health & social care | 2025 |
| Fylde Solar B Limited | Construction | 2024 |
| G & a Soppa Limited | Health & social care | 2024 |
| G & E Commercials Limited | Wholesale & retail | 2019 |
| G a Experts Limited | Real estate | 2024 |
| G I Surgery Limited | Health & social care | 2013 |
| G L Hughes Limited | Health & social care | 2023 |
| G M Emporium Limited | Wholesale & retail | 2023 |
| G M Lloyd Limited | Health & social care | 2019 |
| G&H Touring Services Limited | Professional & scientific | 2016 |
| G-Star Consultancy Limited | Professional & scientific | 2019 |
| G.E.N.T Male Grooming Ltd | Other services | 2017 |
| G.F. Property Developments Limited | Real estate | 2017 |
| G.P. Green Limited | Construction | 2005 |
| G2BRANDS Limited | Wholesale & retail | 1996 |
| Gabby Lamplugh Limited | Other services | 2013 |
| Galahad Services Ltd | Information & communication | 2024 |
| Gallery Grace Ltd | Wholesale & retail | 2024 |
| Gamewell Ltd | Education | 2016 |
| Gammag Limited | Real estate | 2025 |
| Ganaia Global Solutions Ltd | Information & communication | 2026 |
| Gangos Ltd | Health & social care | 2016 |
| Gardner Medical Services Limited | Health & social care | 2023 |
| Gareth Denham Engineering Limited | Professional & scientific | 2012 |
| Garshuey Limited | Real estate | 2018 |
| Garth Titley Plastic Surgery Ltd | Health & social care | 2012 |
| Gary Atkin Surgery Limited | Health & social care | 2013 |
| Gary Chaplin Ltd | Administrative & support | 2012 |
| Gascoigne Halman Limited | Real estate | 1988 |
| Gascoigne Halman Private Finance Limited | Financial services | 1988 |
| Gastrocardia Limited | Health & social care | 2025 |
| Gateways Advisory Ltd | Professional & scientific | 2025 |
| Gator Labs Limited | Information & communication | 2025 |
| Gaunt Medicolegal Ltd | Health & social care | 2021 |
| Gavstar Limited | Professional & scientific | 2006 |
| Gaysbie Ltd | Information & communication | 2023 |
| GAZ and Kath Foster Limited | Hospitality | 2013 |
| GB Floors UK Ltd | Wholesale & retail | 2020 |
| GB Homes Projects Limited | Construction | 2011 |
| GB Plastic Surgery Limited | Health & social care | 2019 |
| GBD Insights Ltd | Professional & scientific | 2022 |
| GCA (NW) Ltd | Construction | 2013 |
| GDS Living Limited | Real estate | 2023 |
| GE Ventures Limited | Financial services | 2026 |
| GED (2016) Limited | Professional & scientific | 2016 |
| Geecee Property Consultancy Ltd | Professional & scientific | 2023 |
| Gems Scouting Ltd | Arts & recreation | 2026 |
| General Sports Europe Ltd | Administrative & support | 2017 |
| Generative UK Limited | Information & communication | 2011 |
| Genesis Orthopaedics Limited | Health & social care | 2007 |
| Genesis Recruitment - Architecture & Design Limited | Administrative & support | 2020 |
| Genesis Recruitment Creative Limited | Administrative & support | 2020 |
| Genesis Recruitment Limited | Administrative & support | 2019 |
| Genesis Recruitment Print & Production Limited | Administrative & support | 2020 |
| Genesis Recruitment Technology Limited | Administrative & support | 2020 |
| Genicus Consulting Ltd | Administrative & support | 2017 |
| Genie Research Ltd | Information & communication | 2013 |
| Geno and Sons Group Ltd | Wholesale & retail | 2022 |
| Genrec Holdco Limited | Professional & scientific | 2020 |
| Gensafe Ltd | Professional & scientific | 2018 |
| Geobac Ltd | Professional & scientific | 2015 |
| Geojen UK Limited | Wholesale & retail | 2013 |
| Geomatic Surveys Limited | Professional & scientific | 2003 |
| George Spyrou Ltd | Health & social care | 2014 |
| Georgian Court (Phase I) RTM Company Limited | Households | 2024 |