| Pearl Truck Stop Ltd | Transport & logistics | 2022 |
| Pebble Lane Limited | Information & communication | 2025 |
| Peel Apartments Ltd | Hospitality | 2019 |
| Peels Wharf (2004) Limited | Households | 2006 |
| Peels Wharf Management Company Limited | Households | 1991 |
| Pennine Outdoor Pursuits Limited | Arts & recreation | 1996 |
| Pennyjwood Business Analyst Limited | Professional & scientific | 2015 |
| Perfect Grocers London Ltd | Professional & scientific | 2005 |
| Perfectly Said by Tina Peckham Ltd | Other services | 2026 |
| Peri Peri Orignal Wolverton Ltd | Hospitality | 2023 |
| Perrett Property Limited | Real estate | 2003 |
| Pet Parties Limited | Other services | 2016 |
| Peter Bourne Communications Limited | Information & communication | 2010 |
| Peter Dawn Limited | Extraterritorial | 2001 |
| Peter Dawn Music Archive Limited | Information & communication | 2003 |
| Peter Langley Electrical Limited | Construction | 2012 |
| Peter Robinson Limited | Real estate | 2025 |
| Peter Scott Haulage Ltd | Transport & logistics | 2025 |
| Peter Seller Ltd | Wholesale & retail | 2025 |
| PFJ Transport Consultant Ltd | Professional & scientific | 2023 |
| PH Transport and Logistics Ltd | Wholesale & retail | 2025 |
| Phenomenal Engineering Limited | Professional & scientific | 2017 |
| Phil Machin Plumbing & Heating Services Ltd | Construction | 2012 |
| Philipp Plein Spedition Ltd | Transport & logistics | 2025 |
| Phoenic Solutions Limited | Professional & scientific | 2008 |
| Phoenix Court Resident's Management Limited | Households | 2008 |
| Phoenix Pet Food Ltd. | Wholesale & retail | 2006 |
| Phoenix Red Limited | Professional & scientific | 2021 |
| Photo Media Booth Limited | Manufacturing | 2021 |
| Physioforfunction Ltd | Health & social care | 2025 |
| PI Osteopathy Ltd | Health & social care | 2026 |
| Pickering Real Estate Limited | Hospitality | 2013 |
| Pickerings Hire Limited | Construction | 1969 |
| Pickering’S Bikes Ltd | Wholesale & retail | 2026 |
| Pickstock Foods Ltd | Manufacturing | 2018 |
| Pineapple Island Limited | Professional & scientific | 2026 |
| Pink Pirate Productions Limited | Information & communication | 2013 |
| Pinnacle Staff Solutions Ltd | Administrative & support | 2013 |
| Piomag Ltd | Transport & logistics | 2014 |
| Pioro Ltd | Transport & logistics | 2021 |
| PIP Creative Limited | Professional & scientific | 2016 |
| Pitchstock Limited | Wholesale & retail | 2026 |
| Pivotal Payroll Limited | Administrative & support | 2025 |
| Pixel Trading Ltd | Wholesale & retail | 2023 |
| PJ Massarella Construction Ltd | Construction | 2021 |
| PJ Swad Ltd | Hospitality | 2020 |
| Pjcs Carpets & Flooring Ltd | Wholesale & retail | 2009 |
| Pjem Health & Safety Limited | Health & social care | 2015 |
| Plain Design Holdings Limited | Financial services | 2022 |
| Plain Design Limited | Administrative & support | 2003 |
| Planes Trains and Terraces (PTT) Limited | Information & communication | 2026 |
| Platform Circle Limited | Construction | 2025 |
| Pleasant Inns Limited | Hospitality | 1999 |
| PLG Property Services Limited | Households | 2019 |
| PLP Consultancy Limited | Professional & scientific | 2010 |
| Pluginsure Limited | Financial services | 2007 |
| Pointon Productions Limited | Real estate | 1983 |
| POM Properties Ltd | Real estate | 2023 |
| Pool Properties Holdings Limited | Financial services | 2024 |
| Pool Properties Limited | Real estate | 2024 |
| Poppy Court (Melbourne) Management Company Limited | Households | 2026 |
| Port Hythe Marina Developments (Kent) Limited | Professional & scientific | 1986 |
| Portal UK Automatic Door Service and Maintenance Limited | Extraterritorial | 2025 |
| Posh Pigs HOG Roast Limited | Hospitality | 2018 |
| Potton Residents Management Company Limited | Households | 2019 |
| Powell Training Ltd | Information & communication | 2012 |
| Powerdrive Racing Ltd | Wholesale & retail | 2024 |
| Powerpoint Electrical & Security Services Limited | Construction | 2002 |
| PR People Ltd | Transport & logistics | 2018 |
| PRA Transport Ltd | Transport & logistics | 2015 |
| Praedium Developments Limited | Construction | 2002 |
| Precision Coaching Solutions Ltd | Other services | 2017 |
| Precision Prep UK Ltd | Manufacturing | 2020 |
| Precision Renovations Limited | Construction | 2014 |
| Premier Business Development Limited | Professional & scientific | 2018 |
| Premier Property (Central) Limited | Construction | 2009 |
| Premier Property Transformation Ltd | Construction | 2018 |
| Premier Re-Coat Solutions Ltd | Construction | 2025 |
| Prentico Limited | Financial services | 2020 |
| Prentico Projects Limited | Transport & logistics | 2020 |
| Prestige Bespoke Furniture Ltd | Manufacturing | 2026 |
| Prestige Heating Services (PHS) Ltd | Construction | 2026 |
| Pretty and Polished Ltd | Administrative & support | 2022 |
| Prianna Holdings Ltd | Transport & logistics | 2024 |
| Pride N Shine Mobile Valeting Services Limited | Other services | 2021 |
| Primrose Convenience Ltd | Wholesale & retail | 2026 |
| Primrose(Groveley Lane) Management Limited | Households | 2020 |
| Priory Park (Dudley) Management Limited | Households | 2008 |
| Pro B Engineering Ltd | Professional & scientific | 2024 |
| Pro B Sales & Servicing Ltd | Wholesale & retail | 2022 |
| Pro-Trade Upvc Limited | Wholesale & retail | 2010 |
| Process and Manufacturing Services Limited | Professional & scientific | 2016 |
| Process Improvement Consultancy Limited | Professional & scientific | 2002 |
| Product Licensing Company Limited | Administrative & support | 1995 |
| Professional Properties Limited | Real estate | 2026 |
| Proforme UK Limited | Wholesale & retail | 2007 |
| Progresa Group Limited | Real estate | 2024 |
| Project B Developments Limited | Construction | 2006 |
| Promo Records Limited | Wholesale & retail | 2001 |
| Prompt Core Dynamics Ltd | Information & communication | 2024 |