| Pickart Limited | Manufacturing | 2025 |
| Picture Favourites Ltd | Wholesale & retail | 2012 |
| Picture Picture Manufacturing Ltd | Manufacturing | 2012 |
| Pineapple Homes Central Limited | Financial services | 2020 |
| Pinhills Farm Holdings Limited | Real estate | 2025 |
| Pink Days Limited | Professional & scientific | 2005 |
| Pink Flamingos PUB & Cocktail Bar Ltd | Hospitality | 2025 |
| Pinnacle Financial Planning Limited | Financial services | 2008 |
| Pinnacle Orthodontics Limited | Health & social care | 2015 |
| Pinnacle Systems and Equipment Ltd | Wholesale & retail | 2026 |
| Pinnacle Tax and Trusts Limited | Financial services | 2016 |
| Pinstructure Limited | Manufacturing | 1981 |
| Pioneer Medical Europe Limited | Wholesale & retail | 2010 |
| Piotr Mateusz Zajac Ltd | Transport & logistics | 2021 |
| Piovan UK Limited | Wholesale & retail | 2005 |
| Piper Construction and Build Limited | Construction | 2025 |
| Pipers Lounge Limited | Hospitality | 2022 |
| PIT Bike Spares Ltd | Wholesale & retail | 2007 |
| PIT Stop Auto Centre Ltd | Construction | 2017 |
| Pitch Consultants (Temporary) Ltd | Administrative & support | 2016 |
| Pitch Smart Limited | Information & communication | 2016 |
| Pizza Equipment and Supplies Limited | Wholesale & retail | 2019 |
| Pizza Parts Limited | Wholesale & retail | 2019 |
| Pizza World Ltd | Hospitality | 2025 |
| PJE Family Investment Company | Financial services | 2016 |
| PJP Music & Media Limited | Arts & recreation | 2012 |
| PJT Convenience Ltd | Wholesale & retail | 2026 |
| PJW Computing Limited | Information & communication | 2021 |
| PK Doors and Windows Limited | Construction | 2022 |
| PK Drive PVT Ltd | Transport & logistics | 2024 |
| Pkgn Limited | Wholesale & retail | 2023 |
| Planet Vanity Holdings Limited | Financial services | 2023 |
| Plant Acquisitions Ltd | Wholesale & retail | 2021 |
| Plaster Patch UK Ltd | Construction | 2022 |
| Platinum Driveways & Landscaping Ltd Ltd | Administrative & support | 2024 |
| Platinum Fabrications Ltd | Manufacturing | 2024 |
| Platinum Roofing and Home Improvements Ltd | Construction | 2024 |
| Plum Kitchens & Home Improvements Limited | Construction | 2016 |
| Plum Kitchens Limited | Other services | 2021 |
| Plumb Property Investments Limited | Real estate | 2023 |
| Plumbo Jumbo Plumbing and Heating Ltd | Construction | 2009 |
| Plusuna Ltd | Professional & scientific | 2021 |
| Pluzon Solutions Limited | Information & communication | 2011 |
| PLV Construction Limited | Construction | 2003 |
| Plymouth Project Consultants Ltd | Construction | 2024 |
| PM2 Group Limited | Financial services | 2026 |
| PMG Contracting Limited | Construction | 2018 |
| PMK Health Limited | Financial services | 2016 |
| Pmon Car Sales Ltd | Wholesale & retail | 2025 |
| Podaris Ventures Ltd | Professional & scientific | 2026 |
| Podengo Game Studios Limited | Wholesale & retail | 2015 |
| Point 2 Point Haulage Contractors Ltd | Transport & logistics | 2005 |
| Point 2 Point Holdings Limited | Financial services | 2019 |
| Pollock & Co. Properties Ltd | Administrative & support | 2022 |
| Pollock Limited | Professional & scientific | 2023 |
| Polprimex Ltd | Professional & scientific | 2026 |
| Polski Sklep Redditch Ltd | Wholesale & retail | 2018 |
| Polyweb Limited | Administrative & support | 1999 |
| Popes Meadow Management Company Limited | Households | 2010 |
| Popina Services Ltd | Hospitality | 2017 |
| Poplar Star Limited | Hospitality | 2025 |
| Porsche 924 Owners Club Limited | Other services | 2006 |
| Portland Lighting Limited | Manufacturing | 1993 |
| Portway Scaffold (NW) Limited | Construction | 2021 |
| Portway Scaffold Limited | Wholesale & retail | 2020 |
| Positive Ground Limited | Professional & scientific | 2006 |
| Potentia Capital Limited | Financial services | 2024 |
| Poulconn Assets Ltd | Real estate | 2020 |
| Poulconn Ltd | Real estate | 2018 |
| Pound Properties Ltd | Real estate | 2010 |
| Powder Process Technology Limited | Manufacturing | 1998 |
| Powell & Partners Ltd | Wholesale & retail | 2024 |
| Ppease Ltd | Professional & scientific | 2023 |
| PPM Financial Planning EOT Trustee Limited | Financial services | 2026 |
| PR & Co Investments Limited | Real estate | 2023 |
| Prabhneet Limited | Information & communication | 2005 |
| Praxis Labs Limited | Information & communication | 2026 |
| Pre.Spective Ltd. | Information & communication | 2017 |
| Precious Unique Care Limited | Health & social care | 2014 |
| Precise Air Conditioning Limited | Energy | 2008 |
| Precise Managed Services Limited | Administrative & support | 2003 |
| Precision Cardiology Limited | Health & social care | 2025 |
| Precision Homes Developments Ltd | Construction | 2025 |
| Preferred Partitioning Industries Limited | Other services | 1996 |
| Prelovedjewellery Limited | Other services | 2021 |
| Prem Safety UK Ltd | Administrative & support | 2013 |
| Premier Garage Services (Astwood Bank) Limited | Wholesale & retail | 2006 |
| Premier Renewables & Build Ltd | Construction | 2022 |
| Premier Thai Spa Ltd | Other services | 2026 |
| Premo PS Limited | Construction | 2016 |
| Presbyopia Treatments Limited | Manufacturing | 2015 |
| Prestige & Performance Car Parts Ltd | Wholesale & retail | 2017 |
| Prestige & Performance Centre Warwickshire Ltd | Wholesale & retail | 2017 |
| Prestige & Performance Centres Ltd | Wholesale & retail | 2017 |
| Prestwood Garage Limited | Wholesale & retail | 1993 |
| Prewitt Limited | Professional & scientific | 2021 |
| Price Electrics (Electrical Contractors) Limited | Construction | 1998 |
| Price Electrics Limited | Construction | 2003 |
| Pride and Passion Souvenirs Ltd | Wholesale & retail | 2025 |
| Primal Living Ltd. | Wholesale & retail | 2018 |