| DE Bono Rights Management Ltd | Wholesale & retail | 2009 |
| Deep Blue Media Ltd | Information & communication | 2025 |
| Deepblueone MC Ltd | Hospitality | 2024 |
| Delia’S Kitchen Ltd | Hospitality | 2023 |
| Dennis LEE & Company Holdings Limited | Professional & scientific | 1981 |
| DES Cooper Haircutters Limited | Other services | 2003 |
| DEW Fencing Limited | Administrative & support | 2013 |
| DH Overson Limited | Construction | 2011 |
| Diamond Kitchens Norfolk Limited | Manufacturing | 2023 |
| Direct Approach Design and Marketing Limited | Professional & scientific | 1997 |
| Direct Approach Holdings Limited | Financial services | 2018 |
| DMN Gardening Ltd | Administrative & support | 2024 |
| Donlyon Properties Construction Ltd | Construction | 2019 |
| Donlyon Properties Holdings Ltd | Real estate | 2018 |
| Dorbet Limited | Professional & scientific | 2018 |
| Dorovic Ltd | Manufacturing | 2020 |
| Dose Labs Ltd | Wholesale & retail | 2023 |
| Drift Media Ltd | Information & communication | 2007 |
| Drilling RIG Hire UK Ltd | Administrative & support | 2019 |
| Drillplus Ltd | Administrative & support | 2022 |
| DTR Hygiene Limited | Wholesale & retail | 2018 |
| Dunton Hall Farming Company Limited | Agriculture & fishing | 1964 |
| Durrant Close Management Company Limited | Households | 2021 |
| Durrant Plumbing and Heating Engineers Limited | Construction | 2010 |
| DY Counselling Ltd | Health & social care | 2020 |
| E P Youth Ltd | Health & social care | 2003 |
| EA Safety Ltd | Professional & scientific | 2025 |
| Ealc Ltd | Financial services | 1994 |
| Early Bird Search Limited | Administrative & support | 2016 |
| Earth and Sky Limited | Hospitality | 1998 |
| Earthrowl Associates Ltd | Financial services | 1995 |
| East Broadland Potato Growers Limited | Agriculture & fishing | 1983 |
| East Coast Decorators Limited | Construction | 2022 |
| East END Farm Associates Limited | Arts & recreation | 2020 |
| East of England Apples and Orchards Project | Administrative & support | 2006 |
| Easterly Group Ltd | Information & communication | 2025 |
| Eastern Care Management Solutions Ltd | Professional & scientific | 2014 |
| Eastern Power Systems Fire and Security Limited | Construction | 2018 |
| Eastern Power Systems Limited | Construction | 2015 |
| Eastern PS Limited | Real estate | 2010 |
| Eastsword Limited | Construction | 1985 |
| Eden Church Langley Ltd | Real estate | 2013 |
| Edgebrook North Management Company Limited | Households | 1980 |
| EDS Contractors Limited | Construction | 2005 |
| EDT Saas Limited | Information & communication | 2015 |
| Eduroad Ltd | Education | 2025 |
| Edward DE Bono Ltd | Information & communication | 2018 |
| Egmt Ltd | Hospitality | 2024 |
| Eighteen O Four Ltd | Administrative & support | 2014 |
| Electric Touch Ltd | Construction | 2025 |
| Elevare Holdings Limited | Financial services | 2024 |
| Elite Services Norfolk Limited | Professional & scientific | 2023 |
| ELM Farm Business Park Limited | Extraterritorial | 2016 |
| Elsie Associates Ltd | Information & communication | 2018 |
| Embrace North Norfolk Ltd | Households | 2022 |
| Emily's Mortgage Services Ltd | Financial services | 2023 |
| Equatorial Limited | Construction | 1989 |
| Espresso Capsule Company Limited | Wholesale & retail | 2011 |
| Eversafe (UK) Limited | Professional & scientific | 1998 |
| Excel Norfolk Ltd | Construction | 2023 |
| FAE Components Limited | Wholesale & retail | 2011 |
| Fakenham Area Partnership Community Interest Company | Other services | 2006 |
| Fakenham Body Centre Limited | Wholesale & retail | 2020 |
| Fakenham Cafe Limited | Hospitality | 2013 |
| Fakenham Cattle Market Co.Limited | Real estate | 1958 |
| Fakenham Children's Daycare Centre Limited | Education | 1993 |
| Fakenham Community Campus Trust Limited | Health & social care | 1980 |
| Fakenham Developments Ltd | Construction | 2014 |
| Fakenham Drywall & Plastering Limited | Construction | 2017 |
| Fakenham Farm and Equine Vets Limited | Professional & scientific | 2021 |
| Fakenham Footcare (UK) Ltd | Health & social care | 2021 |
| Fakenham Garden Centre Limited | Administrative & support | 1999 |
| Fakenham PAW Park Ltd | Other services | 2026 |
| Fakenham Photosetting Limited | Manufacturing | 1982 |
| Fakenham Sports Charity Limited | Arts & recreation | 1996 |
| Fakenham Taxis Ltd | Transport & logistics | 2006 |
| Fakenham Tool and Equipment Hire Limited | Administrative & support | 1982 |
| Farmers Life Jacket Ltd | Manufacturing | 2020 |
| Farrow Thompson Limited | Construction | 2020 |
| Fast Line Fine Ltd | Hospitality | 2026 |
| Filmworkz DVW Limited | Information & communication | 2018 |
| Filmworkz Holdings Limited | Financial services | 2019 |
| Filmworkz Ltd | Information & communication | 2021 |
| Flora's Coffee Stop Ltd | Hospitality | 2026 |
| Focus Security (East Anglia) Ltd | Administrative & support | 2013 |
| Four Winds Hand Car Wash Ltd | Other services | 2025 |
| FOX and Bear Ltd | Manufacturing | 2015 |
| Franklin Services Limited | Administrative & support | 2017 |
| French's Fish Shop Limited | Hospitality | 2000 |
| French's Holdings Limited | Financial services | 2018 |
| Frontline Online Ltd | Extraterritorial | 2020 |
| Fullpip Ltd | Wholesale & retail | 2021 |
| Fully Trained Limited | Education | 2015 |
| G&T Driving Services Limited | Transport & logistics | 2024 |
| G.H.Administration Services Ltd. | Administrative & support | 2016 |
| GB Nexus Ltd | Education | 2024 |
| GBD Developments Limited | Professional & scientific | 2021 |
| Geoshe Ltd | Wholesale & retail | 2026 |
| Gigrilla Limited | Wholesale & retail | 2021 |
| Gloria's Beauty Corner Ltd | Other services | 2020 |