| Pathname Limited | Information & communication | 2024 |
| Pathway Expert Chambers Limited | Professional & scientific | 2025 |
| Pathway Expert Training Limited | Health & social care | 2025 |
| Pathways (Gaydon) Management Company Limited | Households | 2016 |
| Paul Bester Limited | Health & social care | 2010 |
| Paul Brennan Building Services Limited | Construction | 2019 |
| Paul Erasmus Property Services Ltd. | Construction | 2014 |
| Paul Isaacs Consultancy Ltd | Education | 2023 |
| Paul Molyneux Consulting Limited | Professional & scientific | 2015 |
| Paul Osborne PM Limited | Professional & scientific | 2026 |
| Paul Wilkinson Photography Ltd | Professional & scientific | 2003 |
| Paula R Robinson Ltd | Transport & logistics | 2016 |
| Paul’S Garage Ltd | Wholesale & retail | 2022 |
| Paverlock Limited | Manufacturing | 2011 |
| Pavilion Plus Ltd | Information & communication | 2012 |
| Paving & Gardens Ltd | Construction | 2019 |
| Pavliczech Specialist Limited | Wholesale & retail | 2011 |
| Pawtap Limited | Information & communication | 2025 |
| Payali Ltd | Information & communication | 2025 |
| Payne Family Ltd | Real estate | 2026 |
| PB Gym Ltd | Arts & recreation | 2020 |
| PBK Engineering Ltd | Professional & scientific | 2024 |
| PBM Inventories Ltd | Real estate | 2012 |
| PC Digital Ltd | Information & communication | 2025 |
| PCHELP4U Limited | Extraterritorial | 2025 |
| PDI Property Management Limited | Real estate | 2013 |
| PDP Life Matrix Limited | Professional & scientific | 2024 |
| Peace Gateway Limited | Public administration | 2023 |
| Peach Property Management Limited | Real estate | 2005 |
| Peacock Holographic Ltd | Professional & scientific | 2025 |
| Pear Tree Court (Albion Street) Management Company Limited | Real estate | 2007 |
| Pearces Courtyard Management Company Limited | Households | 2014 |
| Pearces Yard (Thame) Management Company Limited | Households | 2025 |
| Pearl Travel Ltd | Transport & logistics | 2023 |
| Pearlfect Homes Limited | Real estate | 2022 |
| Pearlfect Limited | Wholesale & retail | 2011 |
| Pebbledown Limited | Financial services | 2025 |
| Pebblestone Inns SW | | 1996 |
| Peek Estates Next Investment Scheme Limited | Real estate | 2021 |
| Pegasus Competitions Ltd | Arts & recreation | 2025 |
| Pegasus Pets Ltd | Wholesale & retail | 2023 |
| Pegasus Property Investments Ltd | Households | 2025 |
| Pelicam Limited | Professional & scientific | 1999 |
| Pelican Partners (Peterborough) LLP | | 2003 |
| Pelican Partners LLP | | 2003 |
| Penda and Camba Properties Ltd | Real estate | 2024 |
| Penguin Properties Trading Ltd | Real estate | 2024 |
| Penkelly Limited | Construction | 2011 |
| Pennings Properties Limited | Financial services | 2020 |
| Pennington Plant Services Ltd | Construction | 2013 |
| Penrose Forbes Limited | Financial services | 2011 |
| Pente Limited | Hospitality | 2022 |
| People and Planet Matter CIC | Hospitality | 2024 |
| Peposhi Plumbing Services Limited | Construction | 2022 |
| PER7IVE Legal Ltd | Professional & scientific | 2022 |
| Percept Consulting Ltd | Information & communication | 2020 |
| Perceptron Limited | Information & communication | 1997 |
| Perdix Consultancy Ltd | Information & communication | 2012 |
| Perez Collective Ltd | Wholesale & retail | 2025 |
| Perez Ecom Ltd | Wholesale & retail | 2026 |
| Perfect Touch Football Ltd | Arts & recreation | 2016 |
| Perfecto Payroll Ltd | Administrative & support | 2016 |
| Perfex (UK) Limited | Manufacturing | 1989 |
| Performance Craft Collective Limited | Education | 2026 |
| Performance Detailers.Uk Ltd | Other services | 2025 |
| Performance Rights Limited | Arts & recreation | 2015 |
| Perham Property Ltd | Professional & scientific | 2018 |
| Peri Peri Charcoal Ltd | Hospitality | 2024 |
| Perio Treat Ltd | Health & social care | 2025 |
| Period House Group Ltd | Construction | 2016 |
| Perisan Logistics Ltd | Transport & logistics | 2026 |
| Perry Manor Holdings Ltd | Real estate | 2026 |
| Perry Mead Residents Company Limited | Households | 1998 |
| Perryfield Court (Bledlow) Residents Limited | Households | 2020 |
| Perses Training Ltd | Professional & scientific | 2022 |
| Perspective Images Ltd | Professional & scientific | 2023 |
| Petals of Hope Health Care Limited | Health & social care | 2023 |
| Pete Burrows Limited | Information & communication | 2021 |
| Pete Corbett Transport Limited | Transport & logistics | 2014 |
| Peter Beveridge Limited | Information & communication | 2000 |
| Peter Copsey Engineering Limited | Manufacturing | 1979 |
| Peter Fortgang Limited | Professional & scientific | 2014 |
| Peter Heyes Creative Ltd | Professional & scientific | 2021 |
| Peter Wright Associates Limited | Professional & scientific | 2001 |
| Petmobeel Ltd | Wholesale & retail | 2024 |
| PF Joinery Ltd | Construction | 2006 |
| Pfhg Limited | Hospitality | 2015 |
| PG Accounting Limited | Financial services | 2016 |
| PG Logistics Ltd | Transport & logistics | 2017 |
| PGB Sportswear Ltd | Wholesale & retail | 2021 |
| Phantasticus Consultancy Ltd | Professional & scientific | 2016 |
| Pharmaedge Solutions Ltd | Professional & scientific | 2026 |
| Pharmaqticals Ltd | Wholesale & retail | 2026 |
| Pharmatheme Limited | Extraterritorial | 2003 |
| Pharmedical Ltd | Health & social care | 2023 |
| Pharmika Ltd | Health & social care | 2023 |
| Phase Forward Consulting Ltd | Administrative & support | 2025 |
| PHD and S Limited | Administrative & support | 2018 |
| PHH Care Ltd | Health & social care | 2022 |
| PHH Lease Limited | Extraterritorial | 2017 |