| Cromer Plumbing & Heating Limited | Construction | 2020 |
| Cross Street Cromer (Residents Association) Limited | Households | 2003 |
| Cyan Commerce Limited | Information & communication | 2004 |
| D & H Financial Limited | Financial services | 2025 |
| Dalycorp Ltd | Professional & scientific | 2013 |
| Darnoc Group Ltd | Professional & scientific | 2020 |
| Darren Betts Ltd | Construction | 2013 |
| Davis Building Services Ltd | Construction | 2015 |
| DCM Photography Ltd | Professional & scientific | 2025 |
| Deltic Training Ltd | Education | 2006 |
| DG Smith Upholstery & Recliner Centre Limited | Wholesale & retail | 2021 |
| Dlkcommerce Ltd | Wholesale & retail | 2024 |
| Doctor Dance Ltd | Education | 2017 |
| Doggie Diner Cromer Ltd | Wholesale & retail | 2019 |
| DOM FOX Touring Limited | Wholesale & retail | 2015 |
| Drama Mavericks C.I.C. | Arts & recreation | 2025 |
| Driftway Limited | Professional & scientific | 2021 |
| DW Heating and Plumbing (Norfolk) Ltd | Construction | 2019 |
| E-Anglia Limited | Professional & scientific | 1998 |
| East Anglia Fire PIT Hire Ltd | Extraterritorial | 2021 |
| East Anglian Charters Limited | Arts & recreation | 2011 |
| East Coast Surf Ltd | Wholesale & retail | 2016 |
| East Eleven 25 Ltd | Health & social care | 2025 |
| East Runton Butchery Ltd | Wholesale & retail | 2025 |
| Ecostat Consulting UK Ltd | Wholesale & retail | 2002 |
| Education Medical Ltd | Education | 2025 |
| Elsenham House Limited | Health & social care | 2001 |
| Em.Ro Corporation Limited | Real estate | 2024 |
| Email Nerds Ltd | Information & communication | 2018 |
| Emdr Focus Limited | Education | 2015 |
| Emily's Blooming Cake Company Ltd | Wholesale & retail | 2022 |
| Endless Projects Ltd | Information & communication | 2014 |
| Ethical Company Organisation Ltd | Information & communication | 2002 |
| Europus Limited | Professional & scientific | 1991 |
| Evington Limited | Households | 2001 |
| Experience Norfolk Limited | Professional & scientific | 2012 |
| Express News and Magazines Limited | Wholesale & retail | 2016 |
| Feisty Fetus Ltd | Wholesale & retail | 2026 |
| FIG & Olive Norfolk Ltd | Wholesale & retail | 2021 |
| Fika East Ltd | Hospitality | 2026 |
| Finance Care Consultants Ltd | Professional & scientific | 2000 |
| Finnex Ltd | Wholesale & retail | 2023 |
| FLEX27 Limited | Arts & recreation | 2024 |
| Forever Green Garden Services Limited | Administrative & support | 2002 |
| Forever Green Seed & Bulb Company Ltd | Agriculture & fishing | 2024 |
| FORTIFY247 Ltd | Information & communication | 2020 |
| Full of VIT Limited | Manufacturing | 2021 |
| G a Woodrow Limited | Construction | 2003 |
| G. & D. Property Management Limited | Households | 1989 |
| G.L. Burdett Marketing Ltd. | Real estate | 1997 |
| Georgina Pitcher Chiropractic Limited | Health & social care | 2014 |
| GJS International Tax Limited | Professional & scientific | 2024 |
| Gleave & Associates Limited | Professional & scientific | 2008 |
| Gleave Associates Limited | Professional & scientific | 2016 |
| Gleave Property Investments Limited | Real estate | 2016 |
| Glide Surf Community Initiative CIC | Arts & recreation | 2025 |
| Glide Surf School Limited | Education | 2021 |
| Glide Surf Shop Limited | Wholesale & retail | 2012 |
| Globetrotters Independent Traders Ltd | Hospitality | 2011 |
| Glummers Limited | Extraterritorial | 2008 |
| Go Bifanas Ltd | Extraterritorial | 2021 |
| Golden Leaf Counselling Services Limited | Health & social care | 2014 |
| GRA Civils Limited | Construction | 2014 |
| Graham Best Limited | Health & social care | 2010 |
| Graham L. Hayward Ltd | Construction | 2001 |
| Grange Gorman Estate Management Limited | Households | 2017 |
| Graymatter Consultancy Ltd | Education | 2025 |
| Green Mint Interiors Limited | Construction | 2011 |
| Grey Seal Cromer Retail Ltd | Wholesale & retail | 2020 |
| Guarddeal Ltd | Information & communication | 2019 |
| Gurney (Northrepps) Estate LLP | | 2024 |
| H & HR Group Ltd | Construction | 2026 |
| H Curtis & SON Ltd | Wholesale & retail | 2005 |
| H&B Facilities Management Ltd | Households | 2021 |
| Harbour Accountancy Services Limited | Professional & scientific | 2013 |
| Harmont House & Milford House Residents Association Limited | Households | 2004 |
| Haverhill House RTM Company Ltd | Households | 2019 |
| Henleys Residential Limited | Real estate | 2016 |
| Henrys Coffee and Tea Stores Limited | Hospitality | 2016 |
| High Harrwood Limited | Other services | 2005 |
| Hilton Consultants Limited | Professional & scientific | 2013 |
| Holdbury Limited | Households | 1984 |
| Hoyl Capital Ltd | Extraterritorial | 2009 |
| Hoyl Capital Wealth Ltd | Financial services | 2004 |
| Hoyl FC Ltd | Extraterritorial | 2017 |
| Hoyl Financial Management Ltd | Financial services | 2008 |
| Hoyl Group Ltd | Financial services | 2005 |
| Hoyl Group Services Ltd | Administrative & support | 2009 |
| Hoyl Independent Advisers Ltd | Financial services | 2005 |
| Hoyl Limited | Extraterritorial | 2018 |
| Hucks Ltd | Hospitality | 2023 |
| Huntersbeare Ltd. | Real estate | 1997 |
| Hutchinson Consultancy Services Ltd | Information & communication | 2025 |
| ILC Consulting Ltd | Professional & scientific | 2025 |
| IMK Group Limited | Financial services | 2016 |
| Immanuel House Cromer Management Limited | Households | 2023 |
| Innovetec Limited | Information & communication | 2005 |
| Iorb Limited | Financial services | 2026 |
| Island Plumbing & Heating Ltd | Manufacturing | 2007 |
| Ivan M Daly Limited | Real estate | 2017 |