| Francesca Hubbard Ltd | Financial services | 2019 |
| Francis Wain Jewellers Limited | Wholesale & retail | 2011 |
| Franklins Automotive Limited | Wholesale & retail | 2025 |
| Fraser Dawbarns LLP | | 2010 |
| Fratelli Autos Ltd | Wholesale & retail | 2025 |
| Freda England Close Management Company Limited | Households | 2014 |
| Fredricks Properties Ltd | Construction | 2019 |
| Freedom Recovery & Towing Limited | Wholesale & retail | 2026 |
| Freekstorm Ltd | Information & communication | 1994 |
| Freeman Ecom Limited | Wholesale & retail | 2025 |
| Freestone Engineering Ltd | Construction | 2019 |
| French Drove Holdings Ltd | Financial services | 2020 |
| Fresh Coat Decorators Limited | Construction | 2023 |
| Freshcook Limited | Hospitality | 2019 |
| Friars Place (Management) Limited | Households | 1988 |
| Friendly Street Limited | Information & communication | 2023 |
| Frontline Television News Limited | Information & communication | 2001 |
| Frood Limited | Real estate | 2021 |
| Frost Property Investments Ltd | Real estate | 2022 |
| Frydays King's Lynn Limited | Hospitality | 2024 |
| Fuelbridge Ltd | Information & communication | 2025 |
| Fuhai 168 Limited | Hospitality | 2024 |
| Fulmar Trading Limited | Wholesale & retail | 2020 |
| FUN Stickers Distributions Limited | Transport & logistics | 2022 |
| FUN Stickers Limited | Wholesale & retail | 2014 |
| FUN Stickers Online Limited | Wholesale & retail | 2024 |
| Furnell Developments Limited | Construction | 2005 |
| Future Fort Ltd | Manufacturing | 2026 |
| Future Homes Assessments Ltd | Construction | 2024 |
| FYC Wellness Limited | Professional & scientific | 2020 |
| G & a Consultants Limited | Construction | 2019 |
| G & a Plumbing and GAS Limited | Construction | 2018 |
| G & L Homes Ltd | Construction | 2012 |
| G & R Watt Limited | Hospitality | 2024 |
| G & W Produce Ltd | Agriculture & fishing | 2016 |
| G J Chilvers Limited | Transport & logistics | 2009 |
| G M Middleton Properties Ltd | Real estate | 2024 |
| G S Etches Limited | Construction | 2013 |
| G Sides Electrical Limited | Construction | 2003 |
| G W Keir Roofing Ltd | Construction | 2018 |
| G W Venni Farms Limited | Agriculture & fishing | 1997 |
| G&M Painting and Decorating Ltd | Construction | 2019 |
| G.H. Owen Property Limited | Construction | 1985 |
| Gainsborough Court (Kings Lynn) Limited | Real estate | 1999 |
| Gallow Hill Vineyard Limited | Extraterritorial | 2022 |
| Gamma Supplies Ltd | Wholesale & retail | 2013 |
| GAR Holdings Ltd | Financial services | 2018 |
| Garden House Properties Limited | Real estate | 2005 |
| Garden ROW West Norfolk Estates Limited | Real estate | 2023 |
| Gareth Kenny Services Limited | Professional & scientific | 2011 |
| Garnham Developments Limited | Construction | 2017 |
| Garnham Management Services Limited | Administrative & support | 2007 |
| Garrett Farming Ltd | Agriculture & fishing | 2011 |
| Gary DAW Carpentry and Joinery Limited | Construction | 2007 |
| Gary Hyland Building Services Ltd | Other services | 2019 |
| Gascouple Ltd | Health & social care | 2010 |
| Gaswise (Cambridge) Limited | Administrative & support | 2015 |
| Gaswise (ELY) Ltd | Construction | 2023 |
| GAT Holdings EA Limited | Real estate | 2025 |
| Gatzke Enterprises Limited | Health & social care | 2024 |
| Gayton Accounting Solutions Ltd | Professional & scientific | 2026 |
| Gaywood WOK Limited | Hospitality | 2023 |
| Gazza's Catering Ltd | Hospitality | 2025 |
| GB Eventing Ltd | Arts & recreation | 2022 |
| GB Plumbing (Norfolk) Limited | Construction | 2017 |
| GBA Main Services Limited | Construction | 1997 |
| GBR Security Limited | Professional & scientific | 2006 |
| GDV Finance LLP | | 2024 |
| GEC Property Services Ltd | Construction | 2008 |
| Gedney Bulb Company EOT Limited | Administrative & support | 2020 |
| Gemini Security Direct UK Limited | Wholesale & retail | 2004 |
| Gemstone Building Surveyors Limited | Construction | 2005 |
| Genco Group Ltd | Financial services | 2019 |
| Genco International Ltd | Professional & scientific | 2019 |
| Genco Water Ltd | Water & waste | 2019 |
| Genpart (UK) Limited | Manufacturing | 1987 |
| Genpart Limited | Manufacturing | 2014 |
| Geoffrey Mason Limited | Agriculture & fishing | 1954 |
| George Baldwin Limited | Construction | 2018 |
| George Carter Design Ltd | Other services | 2012 |
| George Goddard Limited | Wholesale & retail | 1952 |
| George-Bunting Ltd | Professional & scientific | 2025 |
| Georgies Cafe Limited | Hospitality | 2023 |
| GET Trucked Ltd | Transport & logistics | 2024 |
| GET Your Wings Ltd | Manufacturing | 2022 |
| GEVES75 Limited | Extraterritorial | 2021 |
| GF Partners Limited | Water & waste | 2009 |
| Giggles 'N' Squiggles Ltd | Health & social care | 2021 |
| Gintusmac Ltd | Transport & logistics | 2025 |
| Gioraph Limited | Wholesale & retail | 2019 |
| Girls WHO Dare Ltd | Professional & scientific | 2025 |
| Gittens Medical Services Ltd | Other services | 2012 |
| Gixer Engineering Limited | Wholesale & retail | 2010 |
| Gizemano Ltd | Real estate | 2024 |
| GJ Properties (Norfolk) Ltd | Real estate | 2024 |
| GJ Property Management Limited | Real estate | 2018 |
| GJR Plant Limited | Construction | 2018 |
| Gladville Group Ltd | Wholesale & retail | 2021 |
| Glass & Glazing Solutions Limited | Construction | 2005 |
| Glassworks Express Limited | Manufacturing | 2025 |