| Norfolk Construction Group Ltd | Financial services | 2022 |
| Norfolk Construction Services Limited | Construction | 2024 |
| Norfolk Cooling Ltd | Construction | 2020 |
| Norfolk Copiers Limited | Administrative & support | 1985 |
| Norfolk Cordial Ltd | Manufacturing | 2012 |
| Norfolk Cork Insulation Ltd | Construction | 2026 |
| Norfolk Cottage Escapes Limited | Hospitality | 2020 |
| Norfolk Country & Coast Retreats Ltd | Hospitality | 2025 |
| Norfolk Country Craftsmen Limited | Construction | 2001 |
| Norfolk Country Inns Ltd | Hospitality | 2019 |
| Norfolk County Cleaners Ltd | Administrative & support | 2019 |
| Norfolk County Football Association Limited | Arts & recreation | 1999 |
| Norfolk County Golf Limited | Other services | 2017 |
| Norfolk County Horizons Ltd | Real estate | 2025 |
| Norfolk County Landscapes Ltd | Administrative & support | 2022 |
| Norfolk Craft Fabrics Limited | Wholesale & retail | 2024 |
| Norfolk Cricket Foundation | Arts & recreation | 2011 |
| Norfolk Current Ltd | Construction | 2023 |
| Norfolk CUT and Cure Ltd | Manufacturing | 2026 |
| Norfolk DA Ltd | Administrative & support | 2025 |
| Norfolk Data Cabling Limited | Construction | 2025 |
| Norfolk Deaf Association (NDA) | Health & social care | 2012 |
| Norfolk Design Limited | Information & communication | 2005 |
| Norfolk Developers Limited | Professional & scientific | 2015 |
| Norfolk Dinosaur Park Limited | Arts & recreation | 1996 |
| Norfolk Discount Plumbing and Electrical Limited | Wholesale & retail | 1982 |
| Norfolk Doors Ltd | Construction | 2021 |
| Norfolk Drain Services Limited | Other services | 2010 |
| Norfolk DW Property Services Ltd | Real estate | 2025 |
| Norfolk EAR Care Limited | Health & social care | 2021 |
| Norfolk Eats Ltd | Wholesale & retail | 2023 |
| Norfolk Electrical 24/7 Ltd | Construction | 2023 |
| Norfolk Electrical and Testing Ltd | Construction | 2019 |
| Norfolk Electrical Group Ltd | Construction | 2022 |
| Norfolk Electrical Services Ltd | Construction | 2026 |
| Norfolk Emergency 24/7 Ltd | Construction | 2023 |
| Norfolk Environment Food and Farming Limited | Other services | 2024 |
| Norfolk Environmental Credits Limited | Professional & scientific | 2023 |
| Norfolk Environmental Waste Services Limited | Water & waste | 1991 |
| Norfolk Escapes Ltd | Administrative & support | 2018 |
| Norfolk Estate Fencing Ltd | Administrative & support | 2015 |
| Norfolk Events Ltd | Information & communication | 2021 |
| Norfolk Expeditions CIC | Education | 2015 |
| Norfolk Exterior Solutions Ltd | Administrative & support | 2017 |
| Norfolk Facility Services Ltd | Administrative & support | 2018 |
| Norfolk Farm Machinery Club (Normac) Limited | Other services | 2015 |
| Norfolk Farm Management Limited | Professional & scientific | 2013 |
| Norfolk Farm Shop & Deli Limited | Hospitality | 2018 |
| Norfolk Farriers Limited | Professional & scientific | 2013 |
| Norfolk Fields Catering & Events Ltd | Hospitality | 2018 |
| Norfolk Financial Planning Ltd | Financial services | 2016 |
| Norfolk Fine Art Printers Ltd | Manufacturing | 2022 |
| Norfolk Fire Doors Compliance Limited | Other services | 2024 |
| Norfolk Fish and Chip Bar Ltd | Hospitality | 2022 |
| Norfolk Floor Renovations Ltd | Construction | 2025 |
| Norfolk Flooring Solutions Ltd | Construction | 2023 |
| Norfolk Florist Limited | Wholesale & retail | 2025 |
| Norfolk Flower Fairy Ltd | Arts & recreation | 2020 |
| Norfolk Food Hall Limited | Wholesale & retail | 2024 |
| Norfolk Foods (U.K.) Ltd | Manufacturing | 2020 |
| Norfolk Fwag | Administrative & support | 2011 |
| Norfolk Garage Ltd. | Wholesale & retail | 2013 |
| Norfolk Garden Rooms Limited | Construction | 2021 |
| Norfolk Garden Services Limited | Administrative & support | 2021 |
| Norfolk Gastroenterology and Endoscopy Services Ltd | Health & social care | 2019 |
| Norfolk Glamp-Overs Ltd | Other services | 2020 |
| Norfolk Gliding Club Limited | Arts & recreation | 1960 |
| Norfolk Grab BAG Limited | Administrative & support | 2017 |
| Norfolk Grain Services Ltd | Wholesale & retail | 2022 |
| Norfolk Gravel Limited | Mining & quarrying | 1943 |
| Norfolk Gynaecology Services Ltd | Health & social care | 2018 |
| Norfolk Haematology Partnership LLP | | 2019 |
| Norfolk Halal Foods Ltd | Wholesale & retail | 2025 |
| Norfolk Health & Fitness Gym Limited | Other services | 2019 |
| Norfolk Health & Fitness Limited | Education | 2017 |
| Norfolk Health and Joint Care Ltd | Health & social care | 2022 |
| Norfolk Heat Pumps Ltd | Construction | 2020 |
| Norfolk Heating Limited | Construction | 1963 |
| Norfolk Heating Services Ltd | Construction | 2026 |
| Norfolk Heights Management Limited | Households | 1996 |
| Norfolk Heritage Ltd | Construction | 2024 |
| Norfolk Heritage Roofing Ltd | Construction | 2012 |
| Norfolk High Seats Ltd | Manufacturing | 2026 |
| Norfolk Historic Shipwrecks Ltd | Administrative & support | 2008 |
| Norfolk Home Services Ltd | Construction | 2021 |
| Norfolk Hoopstars Basketball C.I.C. | Arts & recreation | 2021 |
| Norfolk Hospitality Limited | Hospitality | 2026 |
| Norfolk Hotel Group Ltd | Hospitality | 2019 |
| Norfolk HR Consulting Ltd | Administrative & support | 2024 |
| Norfolk Hydraulics Ltd | Professional & scientific | 2010 |
| Norfolk Imaging and Radiology Limited | Health & social care | 2010 |
| Norfolk Industrial (Reepham) Limited | Real estate | 2018 |
| Norfolk Inflatables Ltd | Arts & recreation | 2023 |
| Norfolk Interiors Limited | Construction | 2018 |
| Norfolk Internal Combustion Engine Society Limited | Administrative & support | 2024 |
| Norfolk Jewellery Service Limited | Wholesale & retail | 1977 |
| Norfolk Keystone (Properties) Limited | Real estate | 1998 |
| Norfolk KOI Import Limited | Wholesale & retail | 1990 |
| Norfolk Land Development Limited | Construction | 2014 |
| Norfolk Land Investments Limited | Real estate | 2025 |