| Norfolk Laundry House Ltd | Administrative & support | 2018 |
| Norfolk Laundry Ltd | Other services | 2018 |
| Norfolk Lifting Services Limited | Construction | 2015 |
| Norfolk Lights & Hydroponics Centre Limited | Wholesale & retail | 2004 |
| Norfolk Liver and GI Services Ltd | Health & social care | 2019 |
| Norfolk Living Development Ltd | Construction | 2025 |
| Norfolk LOG Stores Ltd | Manufacturing | 2018 |
| Norfolk Luxury Bathrooms Ltd | Construction | 2025 |
| Norfolk Luxury Limited | Wholesale & retail | 2025 |
| Norfolk Malt Silos Limited | Extraterritorial | 1985 |
| Norfolk Marine (Chandlers) Limited | Wholesale & retail | 2001 |
| Norfolk Market Limited | Professional & scientific | 2023 |
| Norfolk Mead Hotel Limited | Hospitality | 2013 |
| Norfolk Meadow Escape Limited | Hospitality | 2026 |
| Norfolk Meadows Management Company Limited | Real estate | 2008 |
| Norfolk Meals on Wheels Ltd | Manufacturing | 2022 |
| Norfolk Media Limited | Information & communication | 2008 |
| Norfolk Medical Aesthetics Ltd | Health & social care | 2023 |
| Norfolk Motor Company Limited | Wholesale & retail | 1987 |
| Norfolk Motoring Ltd | Wholesale & retail | 2023 |
| Norfolk Museums Development Foundation | Arts & recreation | 2014 |
| Norfolk Naturalists Trust Limited | Extraterritorial | 2014 |
| Norfolk Nelson Museum (Enterprises) Limited | Arts & recreation | 2000 |
| Norfolk Nest EGG Limited | Professional & scientific | 2010 |
| Norfolk New Build Carpentry Ltd | Construction | 2022 |
| Norfolk New Build Snagging Ltd | Construction | 2026 |
| Norfolk Oak Carpentry Co Ltd | Manufacturing | 2024 |
| Norfolk Paddle Boards Ltd | Arts & recreation | 2020 |
| Norfolk Padel Limited | Arts & recreation | 2023 |
| Norfolk Pallets Ltd | Wholesale & retail | 2025 |
| Norfolk Pamments Ltd | Manufacturing | 2003 |
| Norfolk Parking Enforcement Limited | Extraterritorial | 2015 |
| Norfolk Passport Limited | Professional & scientific | 2024 |
| Norfolk Pastures Limited | Agriculture & fishing | 2014 |
| Norfolk Paving and Builders Limited | Construction | 2017 |
| Norfolk Pest Solutions Ltd | Administrative & support | 2019 |
| Norfolk Pet Ltd | Wholesale & retail | 2023 |
| Norfolk Pharma Ltd | Wholesale & retail | 2022 |
| Norfolk Physiotherapy Limited | Administrative & support | 2015 |
| Norfolk Planning & Property Consultants Ltd | Professional & scientific | 2022 |
| Norfolk Planning Ltd | Professional & scientific | 2019 |
| Norfolk Plant & Powered Access Hire Ltd | Construction | 2019 |
| Norfolk Plant Hire Ltd | Construction | 1997 |
| Norfolk Plant Services Ltd | Construction | 2021 |
| Norfolk Plumbing (East Anglia) Ltd | Construction | 2011 |
| Norfolk Plumbing 24/7 Ltd | Construction | 2023 |
| Norfolk Polonia CIC | Information & communication | 2018 |
| Norfolk Ponds Project C.I.C. | Arts & recreation | 2023 |
| Norfolk Pork Limited | Hospitality | 2025 |
| Norfolk Precision Engineering Limited | Manufacturing | 1999 |
| Norfolk Premier Coachworks Limited | Wholesale & retail | 2010 |
| Norfolk Premier Golf Limited | Arts & recreation | 1976 |
| Norfolk Prestige Fencing Ltd | Construction | 2015 |
| Norfolk Primary Care C.I.C. | Professional & scientific | 2017 |
| Norfolk Print & Design Ltd | Manufacturing | 2023 |
| Norfolk Private ENT Limited | Health & social care | 2019 |
| Norfolk Private Psychiatry Ltd | Health & social care | 2024 |
| Norfolk Private Speech and Language Therapy Ltd | Education | 2025 |
| Norfolk Properties Limited | Real estate | 2013 |
| Norfolk Property & Estate Development Limited | Real estate | 2023 |
| Norfolk Property Buyer Ltd | Construction | 2023 |
| Norfolk Property Holdings Ltd | Real estate | 2024 |
| Norfolk Property Investments (East) Ltd | Real estate | 2022 |
| Norfolk Property Services Limited | Construction | 2008 |
| Norfolk Psychology Ltd | Education | 2017 |
| Norfolk Pubs Limited | Hospitality | 2024 |
| Norfolk Radiology Oncology Partnership Limited | Health & social care | 2016 |
| Norfolk Radiology Support Ltd | Health & social care | 2018 |
| Norfolk Raider Cider Limited | Manufacturing | 2018 |
| Norfolk Railway Village Limited | Construction | 2016 |
| Norfolk Recovery Services Limited | Transport & logistics | 2005 |
| Norfolk Recruitment Limited | Administrative & support | 2009 |
| Norfolk Recycling Limited | Construction | 2015 |
| Norfolk Rehab Physio Ltd | Health & social care | 2026 |
| Norfolk Renewable Heating Ltd | Construction | 2022 |
| Norfolk Renewable Installations Ltd | Construction | 2022 |
| Norfolk Renewables and Electrical Ltd | Construction | 2024 |
| Norfolk Renewables Ltd | Extraterritorial | 2020 |
| Norfolk Rental Homes Limited | Real estate | 2021 |
| Norfolk Restorations Limited | Real estate | 2005 |
| Norfolk RIM Limited | Manufacturing | 2024 |
| Norfolk Roofing & Scaffolding Ltd | Construction | 2025 |
| Norfolk Roofing Services Ltd | Construction | 2026 |
| Norfolk Roots Potatoes Ltd | Agriculture & fishing | 2024 |
| Norfolk Safety CIC | Public administration | 2015 |
| Norfolk Salvage Vehicle Recycle Ltd | Water & waste | 2025 |
| Norfolk Sanctuaries Limited | Hospitality | 2021 |
| Norfolk School of Gardening Limited | Education | 2019 |
| Norfolk Screen CIC | Information & communication | 2020 |
| Norfolk Search and Rescue Ltd | Health & social care | 2025 |
| Norfolk Security & Electrical Services Ltd | Construction | 2019 |
| Norfolk Security Ltd | Administrative & support | 2021 |
| Norfolk Shoulder Surgery Ltd | Health & social care | 2018 |
| Norfolk Showground Developments Limited | Administrative & support | 2014 |
| Norfolk SKI Club Limited(The) | Arts & recreation | 1984 |
| Norfolk Snowsports Club (Trading) Limited | Arts & recreation | 2024 |
| Norfolk Spa & Leisure Limited | Extraterritorial | 2014 |
| Norfolk Sport Karate Academy Ltd | Education | 2025 |
| Norfolk Sporting Solutions Limited | Arts & recreation | 2013 |
| Norfolk Stainless Services Ltd | Manufacturing | 2026 |