| Potter's Company Services Limited | Manufacturing | 2017 |
| Pottergate Apartments Limited | Hospitality | 2023 |
| Pottergate Workshop Limited | Real estate | 2025 |
| Potters Meadow Limited | Households | 2022 |
| Poul Hovesen Consulting Limited | Professional & scientific | 2012 |
| Poulson Limited | Manufacturing | 2017 |
| Poultex Limited | Wholesale & retail | 2001 |
| Poulton Developments Ltd | Construction | 2022 |
| Poulton Group Ltd | Construction | 2022 |
| Poultry Handling Solutions Limited | Agriculture & fishing | 2010 |
| POW Norwich Partners Limited | Real estate | 2019 |
| Powell & Harvey Ltd | Real estate | 2022 |
| Powell Phillips Consulting Ltd | Information & communication | 2020 |
| Powell Socials Ltd | Other services | 2023 |
| Powell's PCS Ltd | Energy | 2023 |
| Power Flooring Specialists Ltd | Construction | 2011 |
| Power Inns Ltd | Hospitality | 2025 |
| Power Safety Solutions Limited | Professional & scientific | 2010 |
| Power Textiles Solutions Limited | Professional & scientific | 2018 |
| Power to the People East Anglia Ltd | Construction | 2025 |
| Powercell Commercial Assets Limited | Construction | 2026 |
| Powercell UK Holdings Limited | Financial services | 2025 |
| Powerdisplay Limited | Manufacturing | 2014 |
| Powered by Haiku Limited | Information & communication | 2015 |
| Powered Electrical Limited | Construction | 2020 |
| Powerplus Group (PPG) Ltd | Construction | 2018 |
| Powerwash Pros Ltd | Administrative & support | 2023 |
| Powles Property Management Ltd | Real estate | 2020 |
| Powley Contracts Limited | Information & communication | 2014 |
| Pozitive Focus Limited | Other services | 2022 |
| PP Auto Works Ltd | Wholesale & retail | 2019 |
| Ppap Investments Limited | Construction | 2015 |
| Ppas Dance and Performing Arts School Limited | Arts & recreation | 2003 |
| Ppas Limited | Arts & recreation | 2006 |
| PPD Property Maintenance Ltd | Construction | 2016 |
| Ppkl Limited | Wholesale & retail | 2021 |
| PPP Plumbing Services Ltd | Administrative & support | 2011 |
| PPR Consulting Limited | Information & communication | 2017 |
| PPS Property Investment Ltd | Construction | 2019 |
| PR Electrical (Norwich) Ltd | Professional & scientific | 2024 |
| Prabhu Property Investment Ltd | Real estate | 2024 |
| Pradales Limited | Health & social care | 2013 |
| Pradips Ltd | Construction | 2016 |
| Praga Real Estate Ltd | Real estate | 2025 |
| Praga Solutions Ltd | Information & communication | 2019 |
| Pragmatic Collaboration Limited | Information & communication | 2021 |
| Praising MED Ltd | Health & social care | 2020 |
| Pram Holdings Ltd | Financial services | 2021 |
| Praslin Pictures Limited | Information & communication | 2009 |
| Prax Milford Haven Refinery Limited | Extraterritorial | 1934 |
| Praxiomatic Ltd | Information & communication | 2026 |
| Praxis Nova Hhrs Limited | Wholesale & retail | 2026 |
| PRB Developments Limited | Construction | 1997 |
| Preal Ltd | Transport & logistics | 2019 |
| Precieux Amour Limited | Professional & scientific | 2018 |
| Precinct Creative Limited | Professional & scientific | 2025 |
| Precise Installations Limited | Construction | 2019 |
| Precision Cycles Ltd | Extraterritorial | 2017 |
| Precision Heating and Plumbing Solutions Limited | Construction | 2022 |
| Precision Home Improvements (U.K.) Ltd | Construction | 2023 |
| Precision Print Management Services Ltd | Information & communication | 2009 |
| Precision Qsing Limited | Professional & scientific | 2024 |
| Precision Surfacing and Landscapes Ltd | Construction | 2026 |
| Precision Urology Limited | Health & social care | 2018 |
| Predator Marine Limited | Transport & logistics | 2024 |
| Predator Plants Ltd | Wholesale & retail | 2009 |
| Preema Ltd | Wholesale & retail | 2019 |
| Preety Smart Ltd | Wholesale & retail | 2022 |
| Prefabricated Modern Architecture Ltd Ltd | Manufacturing | 2025 |
| Prefect Projects Ltd | Real estate | 2026 |
| Preferential Holdings Ltd | Extraterritorial | 2023 |
| Preform Insulations Limited | Construction | 1993 |
| Prelude Education Consultancy Ltd | Education | 2025 |
| Prelude Education Limited | Education | 2022 |
| Premac Limited | Real estate | 2021 |
| Premier Advertising Space Ltd | Real estate | 2019 |
| Premier Beauty Studio Ltd | Other services | 2025 |
| Premier Cabin Services Ltd | Hospitality | 2012 |
| Premier Cars Ashford Limited | Wholesale & retail | 2014 |
| Premier Cars Rackheath Ltd | Wholesale & retail | 2015 |
| Premier Custodial Group Limited | Administrative & support | 2018 |
| Premier Custodial Services Group Limited | Administrative & support | 2018 |
| Premier Custodial Services Limited | Administrative & support | 2018 |
| Premier Financial Group Limited | Administrative & support | 2009 |
| Premier Flight Training Ltd | Transport & logistics | 2002 |
| Premier Framing Ltd | Manufacturing | 2014 |
| Premier Gift Boxes Ltd | Construction | 2010 |
| Premier Healthcare Suffolk Ltd | Administrative & support | 2015 |
| Premier Heating (Norfolk) Ltd | Construction | 2025 |
| Premier Heating (Norwich) Ltd | Construction | 2025 |
| Premier Kitchen Fabrication Limited | Manufacturing | 2014 |
| Premier Lead Roofing Ltd | Construction | 2023 |
| Premier Leisure Developments Limited | Hospitality | 2009 |
| Premier Links Limited | Information & communication | 2000 |
| Premier Nurse Practitioner Services Ltd | Administrative & support | 2016 |
| Premier Packaging 2011 Limited | Manufacturing | 2015 |
| Premier Prison Services Limited | Administrative & support | 2018 |
| Premier Properties (East Anglia) Limited | Real estate | 1962 |
| Premier Property Holdings (Norfolk) Ltd | Real estate | 2018 |
| Premier Recruitment Services Ltd | Other services | 2017 |