| Pelicans Go Plastic | Administrative & support | 1996 |
| Pendleton Works Ltd | Professional & scientific | 2020 |
| Pennington Hennessy Limited | Professional & scientific | 2005 |
| Perfect Structures Limited | Construction | 2003 |
| Pet PAL Community Ltd | Manufacturing | 2008 |
| Peter Goodrum Limited | Manufacturing | 2009 |
| Peter Schindler Limited | Professional & scientific | 2007 |
| Petroleum Industry Engineering Overseas Limited | Mining & quarrying | 2000 |
| PFB Safety Management Services Limited | Administrative & support | 2007 |
| Phat Pearl LLP | | 2005 |
| Philippa LEE Pottery Limited | Wholesale & retail | 2007 |
| Phoenix Fleet Limited | Transport & logistics | 1981 |
| Phoenix Montessori Nursery (West Norfolk) Limited | Education | 2004 |
| Piaf 2 Limited | Manufacturing | 2002 |
| Pickleball Services Limited | Arts & recreation | 2024 |
| Picktern Limited | Wholesale & retail | 2002 |
| Picto Management Services Ltd | Information & communication | 2007 |
| Picton Poultry Limited | Agriculture & fishing | 2025 |
| Pike Architecture and Construction Limited | Construction | 2025 |
| PIL Membranes Holdings Limited | Financial services | 2020 |
| Pilates Norfolk Limited | Health & social care | 2003 |
| Planning 4 Success Limited | Professional & scientific | 2006 |
| Plantlife Automation Limited | Professional & scientific | 2002 |
| Plastertex Limited | Construction | 2006 |
| Plastic Research Laboratories Limited | | 1950 |
| PMA Property Development Limited | Real estate | 2006 |
| Pointing Holdings Limited | Professional & scientific | 1992 |
| Pointing International Limited | Professional & scientific | 1994 |
| Pointing Limited | Manufacturing | 1949 |
| Pole Position Internet Services Limited | Information & communication | 2000 |
| Potters (Confectioners) Limited | Manufacturing | 1946 |
| Pownall & Sons Limited | Wholesale & retail | 1959 |
| PP3 Limited | Real estate | 2004 |
| PPE Enterprises Limited | Wholesale & retail | 2000 |
| Premier Control Technologies Limited | Wholesale & retail | 1998 |
| Prestdrive Limited | Professional & scientific | 1989 |
| Prestige Bavarian Motors Ltd | Wholesale & retail | 2025 |
| Prestige Secure Limited | Administrative & support | 2005 |
| Priorframe Limited | Wholesale & retail | 1990 |
| Priory Plain Residents Limited | Households | 1998 |
| Professional Home Care Services Limited | Construction | 2004 |
| Progressive Equitation Limited | Arts & recreation | 2003 |
| Progressive Technology Systems Limited | Information & communication | 2005 |
| Prolek Diss Limited | Wholesale & retail | 2003 |
| Proparti Limited | Real estate | 2024 |
| Property Recycling Group Limited | Real estate | 2005 |
| Pruce Newman Pipework Limited | Construction | 1973 |
| PT Organics Limited | Administrative & support | 2006 |
| Punk Cinema Limited | Information & communication | 2003 |
| Purdy Woodgate Farms Limited | Wholesale & retail | 1995 |
| Purslows Building Surveyors Limited | Professional & scientific | 2003 |
| PW Property Ventures Ltd | Real estate | 2023 |
| QPH Limited | Real estate | 2006 |
| Quebec Hall Limited | Hospitality | 1965 |
| Queen Street (Phase I) Management Company Limited(The) | Real estate | 1983 |
| Queen Street (Phase II) Management Company Limited(The) | Real estate | 1984 |
| R & S Budds Limited | Manufacturing | 2003 |
| R a Collin Limited | Professional & scientific | 2003 |
| R D & J M Mann Limited | Agriculture & fishing | 2002 |
| R H Geoconsultants Limited | Mining & quarrying | 1999 |
| R K & J Jones Limited | Manufacturing | 1999 |
| R Nally Services Ltd | Construction | 2015 |
| R. F. Enterprises Limited | Real estate | 1962 |
| R. G. Carter Thetford Limited | Professional & scientific | 1963 |
| R.B.R. (Crops) Limited | Agriculture & fishing | 1967 |
| R.B.R. Potatoes Limited | Agriculture & fishing | 1965 |
| R.F. Barwick Limited | Real estate | 1965 |
| R.G. Carter (Humberside) Limited | | 1973 |
| R.G.Pilch Limited | Real estate | 1938 |
| R.N.B. Controls Limited | Professional & scientific | 1992 |
| R.T.Harvey Limited | Wholesale & retail | 1953 |
| Ragleth Limited | Manufacturing | 2005 |
| Ragwort-Uk Limited | Agriculture & fishing | 2002 |
| Ratl Property Limited | Hospitality | 2005 |
| Raven Investment Ltd. | Real estate | 2007 |
| Ravencroft Tree Services Limited | Administrative & support | 2003 |
| RBT Haulage Limited | Transport & logistics | 2001 |
| Rccg Praise Chapel Norwich | Other services | 2025 |
| RE Thorns & Co Limited | Administrative & support | 2007 |
| Read's Pharmacy Limited | Real estate | 1922 |
| Realmreal Limited | Agriculture & fishing | 2001 |
| Reboss Services Limited | Other services | 2005 |
| Rectech Resources Limited | Information & communication | 2015 |
| Red People Management Limited | Administrative & support | 2003 |
| Redway UK Ltd | Manufacturing | 2007 |
| Reeds of Downham Market Limited | Wholesale & retail | 2005 |
| Reepham Garage Services Limited | Wholesale & retail | 2005 |
| Reepham MOT Centre Limited | Extraterritorial | 2007 |
| Refurbished Phones Limited | Wholesale & retail | 2025 |
| Regardchange Limited | Real estate | 1996 |
| Reliance Garage(Norwich),Limited(The) | Wholesale & retail | 1931 |
| Retrac Properties Ltd | Real estate | 2018 |
| Richard Bensley Ltd | Information & communication | 2023 |
| Richard Bird's Estate Agents Limited | Real estate | 1988 |
| Richard COX & Co. Limited | Real estate | 1947 |
| Richards DRY Dock and Engineering Limited | Manufacturing | 1994 |
| Richardson Maltings Limited | Manufacturing | 1890 |
| Ridgeside Designs Limited | Construction | 1998 |
| Riflecraft Limited | Manufacturing | 1998 |
| Rima UK Limited | Wholesale & retail | 2003 |