| Omnicaps Holdings Limited | Administrative & support | 2026 |
| Omnilaw Ltd | Professional & scientific | 2022 |
| Onebold Studio Ltd | Professional & scientific | 2020 |
| Opening to Stillness Ltd | Other services | 2024 |
| Operational Strategy Ltd | Water & waste | 2014 |
| Optima Machinery UK PLC | Wholesale & retail | 2002 |
| Optimma Installations Ltd | Construction | 2025 |
| Organise Ease Ltd | Administrative & support | 2025 |
| Oriental Holistic Therapies Ltd | Other services | 2023 |
| Osborn & Kent Construction Ltd. | Construction | 2012 |
| Osborn Brickwork Limited | Construction | 1997 |
| Ownspace Developments Limited | Real estate | 2025 |
| P B Blackman Sportcars Ltd. | Wholesale & retail | 2020 |
| P S Anderson Limited | Construction | 2006 |
| Paddock Property Investments Limited | Construction | 2001 |
| PAN Power Ltd | Construction | 2018 |
| Panam Chalu Properties Limited | Real estate | 2020 |
| Papl Consultants Limited | Professional & scientific | 2014 |
| Parabolica Design Ltd | Professional & scientific | 2024 |
| Parn Farms Limited | Extraterritorial | 1960 |
| Partons Independent Traders Ltd | Wholesale & retail | 2023 |
| Paul Bamford Ltd | Information & communication | 2006 |
| Paul Frederick Wayne Mountain Ltd | Extraterritorial | 2023 |
| Paul Gower Limited | Financial services | 2009 |
| Pcvw Ltd | Administrative & support | 2022 |
| Peckish Norfolk Limited | Hospitality | 2025 |
| Penfold Administration Ltd | Administrative & support | 2002 |
| Penny Loke Limited | Hospitality | 2024 |
| Peppermint Dental Centre Limited | Health & social care | 2013 |
| Peppers Consulting Ltd | Construction | 2014 |
| Perane and Co Limited | Information & communication | 2012 |
| Percival Boats Limited | Transport & logistics | 1965 |
| Percy Nobleman Limited | Extraterritorial | 2018 |
| Perfect Ltd | Arts & recreation | 2021 |
| Perfect Pro Services Ltd | Administrative & support | 2021 |
| Persikas Developments Limited | Construction | 2026 |
| PES Electrical Installations Ltd | Construction | 2014 |
| Pestrangers Pest Control Ltd | Administrative & support | 2016 |
| Peter Weston Engineering Limited | Professional & scientific | 2004 |
| Peter Williams Limited | Transport & logistics | 2002 |
| Pharmcrest Wholesaling Limited | Professional & scientific | 2014 |
| Pharos of Plan Ltd | Professional & scientific | 2025 |
| Phil Konnect Limited | Wholesale & retail | 2018 |
| Pilates East Limited | Arts & recreation | 2017 |
| Pipeline Products Direct Limited | Wholesale & retail | 2008 |
| Pixel & Prop Ltd | Manufacturing | 2026 |
| Pixel PIE Productions Limited | Information & communication | 2012 |
| PJW Quality Consulting Ltd. | Professional & scientific | 2014 |
| Planactiv (Projects) Limited | Professional & scientific | 1997 |
| Poke Poki Ltd | Wholesale & retail | 2024 |
| Pople Properties Limited | Real estate | 2016 |
| Portermade Ltd | Wholesale & retail | 2025 |
| Portland Property Investments Limited | Real estate | 2005 |
| Posterity Information Technology Limited | Information & communication | 2011 |
| PR Development (Norfolk) Ltd | Construction | 2024 |
| Praiz Healthcare Ltd | Administrative & support | 2018 |
| Precincts Veterinary Ltd | Professional & scientific | 2020 |
| Prestige Plant Hire (Norfolk) Limited | Administrative & support | 2026 |
| Primesecure Ltd | Administrative & support | 2019 |
| Primrose Farm Meats Ltd | Agriculture & fishing | 2022 |
| Printd Limited | Manufacturing | 2023 |
| Pro-Change Consulting Ltd | Professional & scientific | 2017 |
| Procaps Europe Limited | Manufacturing | 2026 |
| Professional CV Writing Limited | Administrative & support | 2015 |
| Properties Norfolk Ltd | Real estate | 2022 |
| Protobase Limited | Information & communication | 1988 |
| Pruce Newman (Holdings) Limited | Financial services | 2019 |
| Pruce Newman Group Limited | Financial services | 2022 |
| PYE of Norwich Ltd | Hospitality | 2026 |
| PYE Way Enterprises Ltd | Hospitality | 2026 |
| Pyramid Brick Solutions Limited | Manufacturing | 2017 |
| Q Industries Limited | Information & communication | 2022 |
| Queen's Head (Earsham) Ltd | Manufacturing | 2021 |
| Quitpic Limited | Wholesale & retail | 2026 |
| R J Trading (Norfolk) Limited | Wholesale & retail | 2024 |
| R S & J Ltd | Hospitality | 2000 |
| R Stiff & Sons Ltd | Wholesale & retail | 2014 |
| R&G Trans Ltd | Transport & logistics | 2023 |
| Rags & Tags Limited | Other services | 1997 |
| Raise the BAA Ltd | Real estate | 2020 |
| Ranee Publishing Consultancy Ltd | Education | 2009 |
| Ranmull Limited | Households | 1994 |
| Rasana Ltd | Health & social care | 2016 |
| Razorback Industries Limited | Professional & scientific | 2005 |
| REACH4THESTARS Ltd | Health & social care | 2015 |
| Rectory Hill Barns Ltd | Hospitality | 1977 |
| Redefined Clothing Store Limited | Wholesale & retail | 2023 |
| Redrose Software Ltd | Information & communication | 2008 |
| Reed Commercial Services Ltd | Administrative & support | 2022 |
| Reed Construction Services Ltd | Transport & logistics | 2024 |
| Regeronix Ltd | Health & social care | 2019 |
| Regs Plumbing and Heating Ltd | Construction | 2026 |
| Relish Recruitment (East Anglia) Limited | Administrative & support | 2011 |
| Richard Long Group Limited | Professional & scientific | 2005 |
| Richard Long Limited | Transport & logistics | 1972 |
| Richard Long Projects Limited | Transport & logistics | 2018 |
| Richbar Limited | Hospitality | 2004 |
| Risk Systems Consultants Ltd | Information & communication | 2023 |
| RIX Construction Limited | Construction | 2021 |
| RJD Contracting Services Ltd | Construction | 2022 |