| Fleming Brothers Limited | Wholesale & retail | 1966 |
| Flour & Bean Trustee Limited | Other services | 2023 |
| Flowrite Industrial Dampers Limited | Manufacturing | 1994 |
| Fluke (UK) Limited | Wholesale & retail | 1960 |
| Foldercraft Limited | Wholesale & retail | 2003 |
| Foreman Plumbing & Heating Limited | Construction | 2006 |
| Foresight Estate Planning and Will Writing Limited | Financial services | 2003 |
| Forest Park Caravan Site Limited | Hospitality | 1967 |
| Fortress Engineering Limited | Professional & scientific | 1991 |
| Foulger Transport Limited | Transport & logistics | 1990 |
| Foundation for Environmental Education | Other services | 2003 |
| Fourwinds Bacton Limited | Hospitality | 2023 |
| Francis Wain Limited | Extraterritorial | 1998 |
| Frankly Consulting Limited | Information & communication | 2024 |
| Fred Long & Sons Limited | Professional & scientific | 1937 |
| Friars Quay Limited | Real estate | 2007 |
| FSC Signs (Dartford) Limited | Manufacturing | 2023 |
| FT London LLP | | 2012 |
| FWP Construction Ltd | Construction | 2026 |
| G & a Car Spares Limited | Water & waste | 2015 |
| G & a Vehicle Recycling Limited | Wholesale & retail | 2017 |
| G & C Taylor Limited | Professional & scientific | 2007 |
| G & G Decorating and Building Services Limited | | 2005 |
| G & J Bircham Limited | Construction | 2002 |
| G M Concrete Limited | Construction | 2004 |
| G Sands & SON Limited | Administrative & support | 2005 |
| G.A. Newton Ltd | Professional & scientific | 2002 |
| G.D. Discount Warehouse Limited | | 1975 |
| G.E. Freeman (Horticultural) Limited | | 1980 |
| G.Howell & SON Limited | Construction | 1960 |
| G.N.F. Forestry Ltd | Agriculture & fishing | 2007 |
| G.W. Gooch & Sons Limited | Construction | 1986 |
| Gamble and SON Limited | Mining & quarrying | 2003 |
| Gannolex Farming Limited | Agriculture & fishing | 1987 |
| GARAGE5 Ltd | Wholesale & retail | 2025 |
| Gardline Limited | Professional & scientific | 2002 |
| Garmet Holdings Limited | Professional & scientific | 2001 |
| Garmet Limited | Manufacturing | 1972 |
| Gary Rushmore Flooring Limited | Wholesale & retail | 2003 |
| Gaswise Services Limited | Construction | 2000 |
| Gaviant Developments Limited | Real estate | 2002 |
| Gayton Cereal Seeds Limited | Professional & scientific | 1919 |
| Gelmec Limited | Professional & scientific | 2005 |
| Genisoft Consulting Ltd | Information & communication | 1997 |
| George Durrant & Sons Limited | Real estate | 1994 |
| George Kybird Limited | Construction | 1969 |
| Georgian House Limited | Hospitality | 2002 |
| GGL Services Ltd | Construction | 2015 |
| Glasbury World Travel Limited | Administrative & support | 2007 |
| GM Hydraulic Services Limited | Manufacturing | 2007 |
| Goldsmith Brothers,Limited | Real estate | 1951 |
| Gooch's Garage Limited | Wholesale & retail | 2020 |
| Goodwill Windscreens Limited | Wholesale & retail | 2007 |
| Goulders Properties Limited | Real estate | 2003 |
| Gournay Properties Limited | Construction | 2005 |
| Grace Contracts Limited | Construction | 1989 |
| Grady Properties Limited | Real estate | 1999 |
| Graeme Jacob Photography Limited | Wholesale & retail | 1978 |
| Great British Foods Limited | Extraterritorial | 2002 |
| Great Yarmouth Glass Limited | Construction | 1998 |
| Greatvine Ltd | Professional & scientific | 2025 |
| Green Scorpion Productions Limited | Information & communication | 2005 |
| Greenworld Property Limited | Real estate | 2017 |
| Greg Wright Builders Limited | Construction | 2021 |
| Gresham Insurance Company Limited | Financial services | 1910 |
| Griffinshaws Limited | Wholesale & retail | 1988 |
| Grosvenor Garage (Gorleston) Ltd | Wholesale & retail | 2002 |
| GSK Pigs Limited | Agriculture & fishing | 2006 |
| Guidelines Business Consultants Limited | Professional & scientific | 1975 |
| Guild Yard Properties Limited | Professional & scientific | 1988 |
| Guys Cliff Limited | Households | 1996 |
| GYC Holdings Limited | Real estate | 2006 |
| H C Beales and Company | | 1997 |
| H J Alston & Sons Limited | Agriculture & fishing | 1993 |
| H L C (Wood Products) Limited | Manufacturing | 1986 |
| H. Gandz (Amusements) Limited | | 1962 |
| H. Siddall & Sons Limited | Wholesale & retail | 1946 |
| H. Young Structures Limited | Manufacturing | 1973 |
| H.C.S. Limited | Wholesale & retail | 1989 |
| H.Young & Co.,Limited | Professional & scientific | 1899 |
| H3 Services Ltd | Professional & scientific | 2007 |
| Hadleigh Holdings Limited | Financial services | 2005 |
| Hall Farm (Hingham) Limited | Agriculture & fishing | 1962 |
| Hall Lane Properties | | 1995 |
| Haller Developments Ltd | Construction | 2006 |
| Hambrook Pallets Limited | Manufacturing | 1980 |
| Hamiltons Limited | Wholesale & retail | 1998 |
| Hamish Riley-Smith & Sons | | 1980 |
| Handball Limited | Hospitality | 1998 |
| Happisburgh Estates | | 1971 |
| Harcon Properties (Norfolk) Limited | Construction | 2007 |
| Harford Engineering Co.Limited | Manufacturing | 1946 |
| Harleston Motor Company Limited(The) | | 1981 |
| Harris Park Homes Limited | Hospitality | 2008 |
| Harry Greengrass Limited | Real estate | 2007 |
| Hattens Farm Estates Limited | Agriculture & fishing | 2012 |
| Havant Holiday Homes Limited | Hospitality | 1972 |
| Havant Homes Limited | Construction | 1964 |
| Hawthorne Developments (East Anglia) Ltd | Real estate | 2025 |
| Haymarket DEVEL0PMENTS (N0RFOLK) Limited | Construction | 1971 |