| Paul Randall Electrical Limited | Construction | 2008 |
| Pawevo-Direct Ltd | Wholesale & retail | 2017 |
| Paws HQ Ltd | Other services | 2022 |
| PB Frost Holdings Limited | Financial services | 2019 |
| PBW Consultancy Limited | Professional & scientific | 2005 |
| PCF Engineering Ltd | Professional & scientific | 2018 |
| Pearl (Service Systems) Limited | Construction | 1986 |
| Pearl Group Holdings Limited | Construction | 1998 |
| Pendry's Pubs Limited | Hospitality | 1998 |
| Pengarreg Cottages Limited | Hospitality | 2019 |
| Pepper 41 Kebab Ltd | Hospitality | 2025 |
| Peregrine Livefoods Ltd | Wholesale & retail | 2002 |
| Peregrine Livefoods Trustee Limited | Other services | 2017 |
| Perfectly Perfect Events Ltd | Hospitality | 2023 |
| Perfectly Splendid Ltd | Wholesale & retail | 2020 |
| Personal Care Ltd | Wholesale & retail | 2025 |
| Petear Properties Limited | Real estate | 1962 |
| Peter Lake Services Limited | Construction | 2011 |
| Petz Podz Limited | Other services | 2011 |
| Phase Invest Holdings Ltd | Financial services | 2022 |
| Phase Invest Ltd | Financial services | 2022 |
| PHD Garages Ltd | Professional & scientific | 2007 |
| Phil Poulter Ltd | Administrative & support | 2017 |
| PHR Garages Limited | Professional & scientific | 2000 |
| Physio at Yours Limited | Health & social care | 2015 |
| Piggotts Flags & Branding Limited | Manufacturing | 2017 |
| Pinington & Pinington Constructive Solutions Limited | Construction | 2020 |
| Pinnacle Stairs Limited | Manufacturing | 2020 |
| PJF Surveying LLP | | 2024 |
| Plum Accounting Limited | Professional & scientific | 2017 |
| Plum Innovations Ltd | Administrative & support | 2014 |
| PMC Waste Management Ltd | Water & waste | 2026 |
| PMM Design Ltd | Professional & scientific | 2018 |
| Popsam Holdings Limited | Real estate | 2019 |
| Portsdown Group Ltd | Professional & scientific | 2012 |
| Potente International LLP | | 2025 |
| Preclad Ltd | Construction | 2023 |
| Premier Build Limited | Construction | 1985 |
| Premium Properties Limited | Real estate | 2018 |
| Prestige Cars of Essex Ltd | Wholesale & retail | 2014 |
| Prestige Windows & Doors Ltd | Manufacturing | 2003 |
| Pricease Ltd | Wholesale & retail | 2025 |
| Prime Brands Management Limited | Professional & scientific | 2026 |
| Prime Meridian Education Limited | Education | 2022 |
| Prime Preservation Limited | Construction | 2022 |
| Prime Source Design Limited | Real estate | 2015 |
| Prime Source Investments Limited | Financial services | 2020 |
| Prime Source Management Limited | Wholesale & retail | 2011 |
| Pro Import Ltd | Wholesale & retail | 2026 |
| Procraft Roofing & Building Ltd | Construction | 2025 |
| Project 4 Architecture Ltd | Professional & scientific | 2025 |
| Proper-Ty Phase Homes Ltd | Real estate | 2023 |
| Property 4C Limited | Real estate | 2025 |
| Property One Building Services Ltd | Construction | 2003 |
| Property Winners Ltd | Real estate | 2020 |
| Proserve Domestic Ltd | Construction | 2025 |
| Protec Maintenance Ltd | Construction | 2014 |
| Puffy Ltd | Wholesale & retail | 2019 |
| Puzzlez Playschool Ltd | Education | 2023 |
| Quantem Consultants Ltd | Professional & scientific | 2020 |
| Quartz Ecomm Limited | Wholesale & retail | 2023 |
| Queensthorpe Care Services Limited | Administrative & support | 1985 |
| Quinn Plumbing & Heating Limited | Construction | 2012 |
| R Hunter Limited | Construction | 2013 |
| R L Beauty Ltd | Other services | 2021 |
| R. F. England Property Services Limited | Real estate | 2017 |
| R. Sees Flooring Co Limited | Construction | 2012 |
| R.E.S. (2011) Limited | Construction | 2011 |
| Rachel MAY Property Limited | Real estate | 2024 |
| Rampling Construction Ltd | Administrative & support | 2021 |
| Ranook Limited | Real estate | 2022 |
| Ravendale Ventures Ltd | Financial services | 2017 |
| Rawlings Construction Services Ltd | Construction | 2013 |
| Razzaq Business Solutions Limited | Information & communication | 2012 |
| Razzaq Property Solutions Limited | Real estate | 2017 |
| RCK Construction Ltd | Construction | 2025 |
| Rdla Limited | Financial services | 2016 |
| Refill Mill Ltd | Wholesale & retail | 2020 |
| Rehoboth Export Ltd | Wholesale & retail | 2023 |
| REK Lighting Ltd | Construction | 2022 |
| Renovo Furniture Services LLP | | 2012 |
| Renu Heat Limited | Construction | 2010 |
| Restitched Limited | Wholesale & retail | 2026 |
| Retreat Junkies Ltd | Health & social care | 2022 |
| Riches Estates Limited | Real estate | 2025 |
| Riches Inventories Ltd | Real estate | 2019 |
| Riches Property Group Ltd | Households | 2025 |
| Ridgid Mechanical Services Ltd | Construction | 2019 |
| Rightway Universal Solutions Ltd | Wholesale & retail | 2021 |
| Rjsm Building Services Limited | Construction | 2005 |
| RLM Lettings Ltd | Real estate | 2024 |
| RNS Corporate Services Ltd | Wholesale & retail | 2019 |
| Robert Padfield Limited | Agriculture & fishing | 1954 |
| Robertson & Co. (Investigations) Limited | Financial services | 2002 |
| Robertson Commercial Ltd | Construction | 2026 |
| Roguesocial Ltd | Professional & scientific | 2023 |
| Rona Property Investment Company Limited | Real estate | 1957 |
| Ronin Consultants Limited | Professional & scientific | 2018 |
| Rose James Limited | Education | 2021 |
| Rose Property Lets Limited | Real estate | 2026 |