| Norfolk Event Planning Limited | Other services | 2026 |
| Norfolk Holiday Rentals Limited | Real estate | 2018 |
| Norfolk Lamas Properties Limited | Extraterritorial | 2019 |
| Norfolk Rivers Trust | Professional & scientific | 2011 |
| Norfolk Tea and Coffee Limited | Manufacturing | 2021 |
| Norfolk Universal Limited | Information & communication | 2010 |
| Norfolk's of Holt Posh Pets Ltd | Wholesale & retail | 2025 |
| Norfolkcottageholiday.Com Ltd | Hospitality | 2017 |
| Norman Cockaday Court Residents Association Limited | Households | 2003 |
| North Norfolk Boarding Kennels Ltd | Other services | 2025 |
| North Norfolk EAR & Skin Care Ltd | Professional & scientific | 2025 |
| Nortonsfield Management Co. Limited | Administrative & support | 2006 |
| Norwich City Apartments Ltd | Real estate | 2015 |
| Novola Limited | Information & communication | 2022 |
| NTC Distribution Limited | Wholesale & retail | 2012 |
| Numi Health Limited | Health & social care | 2024 |
| Olby Close (Holt) Management Ltd | Households | 2020 |
| Old Dairy (Kelling) Residents Association Limited(The) | Professional & scientific | 1984 |
| Old Hall Farm Barns Limited | Real estate | 2001 |
| Ololo Ltd | Information & communication | 2024 |
| Orinda Outdoors Limited | Wholesale & retail | 2004 |
| Orlando Music Limited | Arts & recreation | 1993 |
| Osprey Foods Limited | Wholesale & retail | 2020 |
| Osterley Property Partnership Ltd | Real estate | 2017 |
| Otterburn Publishing Limited | Information & communication | 2019 |
| OUR Bears Home Ltd | Professional & scientific | 2021 |
| Outcomes Matter Consulting Ltd | Professional & scientific | 2018 |
| Oznet Ltd | Information & communication | 2012 |
| Panrox Limited | Other services | 2019 |
| Paper Ballards Ltd | Manufacturing | 2020 |
| Paragon Construction Management Limited | Construction | 2018 |
| Paul Wilkins Creative Ltd | Wholesale & retail | 2022 |
| PB Financial Solutions Limited | Professional & scientific | 2003 |
| Perbett Ltd | Professional & scientific | 2023 |
| Perfect PIE Ltd | Manufacturing | 2007 |
| Persephone Properties Ltd | Real estate | 2011 |
| Petform Goods Ltd | Wholesale & retail | 2026 |
| Picken Limited | Agriculture & fishing | 2002 |
| PK Bookshop Ltd | Wholesale & retail | 2020 |
| PKD Advisory Ltd | Professional & scientific | 2023 |
| Posh Pets ( Norfolk ) Ltd | Wholesale & retail | 2012 |
| Possibility Foundry Limited | Administrative & support | 2025 |
| Preston Road Dairies (Wembley) Limited | Real estate | 1952 |
| Priory Holdings Limited | Agriculture & fishing | 2001 |
| Proactive Risk Reduction Limited | Construction | 2017 |
| Progress to Profit Ltd | Administrative & support | 2021 |
| Progressive Education for the Future Ltd | Information & communication | 2020 |
| Pryor Holdings Limited | Real estate | 2019 |
| PSG Investment Trustees Limited | Financial services | 2019 |
| PSG Sipp Trustees Limited | Professional & scientific | 2009 |
| PSG Ssas Trustees Limited | Financial services | 2010 |
| PSM Trustee Limited | Professional & scientific | 2008 |
| PT Heating Services Ltd | Construction | 2022 |
| Pure ROI Limited | Professional & scientific | 2021 |
| Quay House Blakeney Management Limited | Households | 1982 |
| Queen Adelaide House Residents Association Ltd | Households | 2005 |
| Ralph Parks Limited | Professional & scientific | 2007 |
| Raven Land Manangement Ltd | Construction | 2010 |
| RC Wright Limited | Agriculture & fishing | 2008 |
| Reality Dreams Limited | Wholesale & retail | 2011 |
| Rebecca ANN Consultancy Ltd | Professional & scientific | 2023 |
| Rebecca ANN Holdings Ltd | Financial services | 2023 |
| Reboot Systems Ltd | Other services | 2022 |
| Reoil Ltd | Wholesale & retail | 2023 |
| Retrotec Engineering Ltd | Wholesale & retail | 2026 |
| Rewild Childhood Limited | Education | 2026 |
| Rfcommerce Limited | Wholesale & retail | 2026 |
| Richmond Gardens Saham Toney Manco Limited | Households | 2024 |
| Rivers Ecology Limited | Professional & scientific | 2015 |
| Robins Nest Harpley Ltd | Hospitality | 2024 |
| Rockhopper Pearls Ltd | Manufacturing | 2022 |
| Rojja Ltd | Information & communication | 2023 |
| Rose Hill Capital Partners Limited | Financial services | 2025 |
| Rosmerta Property Ltd | Real estate | 2020 |
| Rowntree Clark Limited | Wholesale & retail | 2009 |
| Ruffles and Frills Ltd | Wholesale & retail | 2025 |
| Rumball Vending Ltd | Administrative & support | 2022 |
| Rushworth Holdings Ltd | Financial services | 2026 |
| Rushworth Properties Ltd | Real estate | 2026 |
| Sales Geek Bolton Ltd | Professional & scientific | 2021 |
| Samphire Estates Limited | Real estate | 2022 |
| Sanders Coaches Limited | Transport & logistics | 2002 |
| Sara Thornley Limited | Health & social care | 2008 |
| Saxlingham Farming Limited | Agriculture & fishing | 2007 |
| Saxum Stonemasons Limited | Construction | 2023 |
| Scandinavian Financial Communications Limited | Administrative & support | 1997 |
| Scillonian Retail Ltd | Wholesale & retail | 2007 |
| SCJ Electrical Limited | Construction | 2018 |
| Seacliff Management Limited | Hospitality | 2009 |
| Secure Uniproperties Limited | Real estate | 2008 |
| Serucchi London Limited | Wholesale & retail | 2025 |
| Seven Space Stays Ltd | Real estate | 2020 |
| SFC Developments Limited | Professional & scientific | 2020 |
| Shang Shung UK Limited | Other services | 2010 |
| SHE Group Enterprises Limited | Hospitality | 2023 |
| SHE Group Holiday Management Limited | Real estate | 2024 |
| SHE Group Management Limited | Professional & scientific | 2017 |
| SHE Group Property Limited | Households | 2024 |
| SHE Group Ventures Limited | Extraterritorial | 2025 |
| Sheringham Windows Limited | Construction | 2008 |