| Plymouth Contracting Ltd | Transport & logistics | 2016 |
| Plyr Dvlpmt Ltd | Education | 2023 |
| Plyvine Catering and Events Ltd | Hospitality | 2002 |
| Plyvine Catering Limited | Hospitality | 1980 |
| Plyvine Holdings Ltd | Financial services | 2020 |
| Pmoc Properties Ltd | Real estate | 2024 |
| POB Enterprises Ltd | Information & communication | 2016 |
| Polaris Catering and Refrigeration Ltd | Professional & scientific | 2019 |
| Polventon Limited | Financial services | 2023 |
| Polydesign Limited | Manufacturing | 2006 |
| Poole Waterfield Limited | Professional & scientific | 2004 |
| Poseidon Bathrooms Limited | Construction | 2012 |
| Potter Property Investment Limited | Real estate | 2021 |
| Powell Padilla Holdings Limited | Financial services | 2012 |
| PR Training Ltd | Education | 2018 |
| Precious Impact CIC | Education | 2025 |
| Precision Shaped Wires Limited | Manufacturing | 2000 |
| Prelalersal Ltd | Transport & logistics | 2017 |
| Premier Bodies Ltd | Manufacturing | 1998 |
| Premier Building Care Ltd | Construction | 2025 |
| Premium Garden Sheds Limited | Manufacturing | 2022 |
| Pres Properties Limited | Real estate | 2021 |
| Prestbury (NO2) Limited | Real estate | 2016 |
| Prestbury Limited | Real estate | 2008 |
| Prestidge Carpentry & Building Limited | Manufacturing | 2021 |
| Prestige Choice Limited | Other services | 2015 |
| Prestige Clothing (GB) Ltd | Manufacturing | 2014 |
| Prestige Clothing (MFG) Ltd | Manufacturing | 2010 |
| Prestige Convenience Ltd | Extraterritorial | 2010 |
| Prestigegb Limited | Wholesale & retail | 2015 |
| Price Builders Limited | Construction | 2004 |
| Primary Tax Limited | Professional & scientific | 2025 |
| Prime Business Technology Solutions Limited | Information & communication | 2025 |
| Prime Energy Support Limited | Administrative & support | 2025 |
| Prime Logistics Midlands Ltd | Transport & logistics | 2026 |
| Primeway Distribution Ltd | Wholesale & retail | 2026 |
| Print Solutions Centre Limited | Manufacturing | 2012 |
| PRINT-72 Limited | Manufacturing | 2018 |
| Printon Plastics & Assemblies Ltd | Manufacturing | 2004 |
| Pritchard Property Developments Ltd | Real estate | 2026 |
| Profluenter Ltd | Professional & scientific | 2023 |
| Profuzion Limited | Wholesale & retail | 2024 |
| Progress Overcome WIN (POW) Ltd | Information & communication | 2020 |
| Project Castle Bidco Limited | Financial services | 2025 |
| Project Castle Finco Limited | Financial services | 2025 |
| Project Castle Midco Limited | Financial services | 2025 |
| Project Castle Topco Limited | Financial services | 2025 |
| Project Organisation International Limited | Extraterritorial | 1975 |
| Prolific Project Management Ltd. | Administrative & support | 2020 |
| Promenade Gift Company Limited | Wholesale & retail | 1993 |
| Prontx Ltd | Information & communication | 2025 |
| Properties by SJB Ltd | Real estate | 2024 |
| Property Guardians Limited | Real estate | 2023 |
| Property Hubb Limited | Financial services | 2019 |
| Property Inspection & Validation Services Limited | Administrative & support | 2007 |
| Property Insulation & Validation Services Limited | Construction | 2018 |
| Proprieta Investments Limited | Real estate | 2021 |
| Prospect Joinery Limited | Manufacturing | 1988 |
| Prospect Memorials Ltd | Manufacturing | 2015 |
| Prospective Electrical Training Limited | Construction | 2017 |
| Proxima United Properties Ltd | Real estate | 2025 |
| PS Ebikes Ltd | Wholesale & retail | 2026 |
| PSD Fintech Limited | Other services | 2018 |
| PSI Holdings Ltd | Financial services | 2024 |
| PSI Overseas Limited | Manufacturing | 2012 |
| Psiams Systems Limited | Information & communication | 2016 |
| PT Surveyors Limited | Professional & scientific | 2021 |
| PTG Consultant Ltd | Professional & scientific | 2020 |
| Pukka Padel Kidderminster Ltd | Arts & recreation | 2026 |
| Pulse Sports Management Limited | Arts & recreation | 2022 |
| Purple Loop Limited | Administrative & support | 2012 |
| Q B Roofing Ltd | Construction | 2023 |
| Q.B. Motorcycles Limited | Wholesale & retail | 1986 |
| Qsafe Limited | Information & communication | 2025 |
| Quality Packaging Products Limited | Manufacturing | 2016 |
| Quest Nutra Pharma Limited | Professional & scientific | 1983 |
| Quest Vitamins Limited | Wholesale & retail | 1990 |
| Quick Flip Motors Ltd | Wholesale & retail | 2025 |
| Quras Digital Limited | Information & communication | 2021 |
| Qwell Property Solutions Limited | Real estate | 2026 |
| R & a Quality Meats Limited | Wholesale & retail | 2021 |
| R and J Mesh Limited | Manufacturing | 1977 |
| R Burkin Roofing Specialists Limited | Construction | 2026 |
| R Connelly Property Limited | Real estate | 2024 |
| R D Tackle Ltd | Administrative & support | 2017 |
| R F R Contractors Limited | Construction | 2010 |
| R I Keogh Properties Limited | Real estate | 2020 |
| R J Lawrence LAB (2024) Ltd | Manufacturing | 2024 |
| R S G Group Ltd | Wholesale & retail | 2017 |
| R S Miller Group Limited | Financial services | 2017 |
| R Searle (Darts) Ltd | Arts & recreation | 2019 |
| R Whitehouse Tiling Limited | Construction | 2021 |
| R Wintle Properties Limited | Real estate | 2023 |
| R&E Wraps&Graphix Ltd | Wholesale & retail | 2022 |
| R&Jay Ltd | Wholesale & retail | 2018 |
| R&N Wellens Property Management Limited | Real estate | 2024 |
| R. Davies Metals and Sons Limited | Wholesale & retail | 2008 |
| R. Hadlington & Sons Limited | Construction | 1986 |
| R. J. T. Conveyors (International) Limited | Manufacturing | 1994 |
| R.G Ecology Ltd | Professional & scientific | 2023 |