| Pace CCS Limited | Administrative & support | 2009 |
| Paceya Ltd | Wholesale & retail | 2025 |
| Pacific Intermediaries and Consultants Ltd | Financial services | 2009 |
| Pacto Systems Ltd | Information & communication | 2018 |
| Paddenswick Alpha Holdings Limited | Financial services | 2026 |
| Padel 2 the MAX Ltd | Arts & recreation | 2025 |
| Padelwithholly Ltd | Arts & recreation | 2024 |
| Padley Accounting Limited | Professional & scientific | 1996 |
| Paediaconnect Health Ltd | Health & social care | 2026 |
| Page & Page Consultants (UK) Limited | Professional & scientific | 2013 |
| Page One Films Limited | Information & communication | 2013 |
| Page TEK Limited | Information & communication | 2015 |
| Paidag Limited | Education | 2025 |
| Paintgarden Limited | Professional & scientific | 2017 |
| Paintking Ltd | Extraterritorial | 2012 |
| PAL Services Group Limited | Administrative & support | 2008 |
| Palatine Nominees Limited | Extraterritorial | 2021 |
| Palazzo Design Nation Limited | Professional & scientific | 2023 |
| Paledisian Limited | Information & communication | 2012 |
| Palladio Estates Limited | Real estate | 1986 |
| Palmer Harcourt Ltd | Hospitality | 2009 |
| Palochi Ltd | Manufacturing | 2025 |
| Panacea Data Limited | Manufacturing | 1990 |
| Panda Trading International Limited | Wholesale & retail | 2017 |
| Pandabag Limited | Health & social care | 2023 |
| Pandabag Property Investments Limited | Real estate | 2025 |
| Panoceanic Energy Limited | Mining & quarrying | 1984 |
| Pantalon Distribution Limited | Information & communication | 2023 |
| Paprax Ltd | Transport & logistics | 2026 |
| Parabolic Limited | Financial services | 2024 |
| Paragon Property Management Services Limited | Households | 2018 |
| Paraiso Advisors Limited | Professional & scientific | 2026 |
| Parallax Consulting Limited | Professional & scientific | 2022 |
| Parch Estates Five LLP | | 2024 |
| Parch Estates Four LLP | | 2016 |
| Parch Estates Management LLP | | 2015 |
| Parch Estates One LLP | | 2015 |
| Parch Estates Three LLP | | 2018 |
| Parched Limited | Hospitality | 2003 |
| Parched London Limited | Hospitality | 2015 |
| Park Hill Bespoke Ltd | Construction | 2024 |
| Park Hill London Ltd | Construction | 2021 |
| Park Lawn Management Weybridge Limited | Real estate | 1998 |
| Parker Wealth Management Limited | Financial services | 2017 |
| Parkmuse Public Limited Company | | 1996 |
| Parkside Court (Weybridge) Limited | Households | 1996 |
| Parla Studio Limited | Professional & scientific | 2023 |
| Parrish Holdings Limited | Households | 1958 |
| Partyparties.Co.Uk Limited | Hospitality | 2006 |
| Passion in Events Ltd | Administrative & support | 2012 |
| Pathfinder Energy Partners LLP | | 2015 |
| Patroula Ltd | Manufacturing | 2019 |
| Pattom Projects Limited | Construction | 2005 |
| Paul Hawksley Limited | Professional & scientific | 2014 |
| Paul Regan Organisation Limited | Arts & recreation | 2011 |
| Paul Taylor Ventures Limited | Real estate | 2014 |
| Paula Walker Hypnosis Limited | Extraterritorial | 2011 |
| Paulmark Homes Ltd | Real estate | 2019 |
| Paulus Limited | Information & communication | 2010 |
| Payment Choice Alliance Limited | Other services | 2024 |
| PBX Studio Ltd | Administrative & support | 2025 |
| PC Dalton Planning Ltd | Professional & scientific | 2023 |
| PCJ Associates Limited | Professional & scientific | 2020 |
| PDG Financial Consulting Ltd | Professional & scientific | 2015 |
| Peacock Tree Films Ltd | Information & communication | 2015 |
| Pearce Economic Advisory Limited | Professional & scientific | 2024 |
| Pearl F&B Ltd | Hospitality | 2016 |
| Peaslake Limited | Health & social care | 2017 |
| Pegasus Contract Services Ltd | Administrative & support | 2000 |
| Pelham ROW Limited | Administrative & support | 2024 |
| Peligan Limited | Information & communication | 2014 |
| Pemberton Developments Limited | Construction | 1988 |
| Pembridge Estates (Addlestone) Limited | Real estate | 2000 |
| Pembridge Estates (West Byfleet) Limited | Real estate | 1999 |
| Pembridge Estates (Weybridge) Limited | Real estate | 2001 |
| Pembridge Estates Limited | Real estate | 1999 |
| Pembroke Consulting Limited | Professional & scientific | 1996 |
| Pembroke Consulting Nominees Limited | Administrative & support | 2010 |
| Penates Holdings Limited | Administrative & support | 2002 |
| Penates Properties Limited | Education | 1997 |
| Pendragon Property Developments Limited | Real estate | 2001 |
| Penfold House Management Company Limited | Households | 2024 |
| Pennmoore Brokerage Limited | Wholesale & retail | 1989 |
| Penny Card Associates Ltd | Professional & scientific | 2021 |
| Pennyworth Limited | Information & communication | 2019 |
| Peppas Cleaning Limited | Administrative & support | 2021 |
| Perbek Ltd | Households | 2021 |
| Percy Harvey Properties Limited | Real estate | 2013 |
| Perimeter Group Limited | Professional & scientific | 2015 |
| Personnel Resources (Financial Appointments) Limited | | 1968 |
| Perspectio Ltd | Information & communication | 2025 |
| Pet Mate Finance Limited | Other services | 2019 |
| Pet Mate Holdco Limited | Other services | 2019 |
| Pet Mate Limited | Manufacturing | 1985 |
| Pet Mate Midco Limited | Other services | 2019 |
| Pet Mate Topco Limited | Financial services | 2024 |
| Peter Burdin Africa Limited | Information & communication | 2015 |
| Peter Doyle Property Limited | Real estate | 2013 |
| Peter Edwards (Builders) Limited | Construction | 2003 |
| Peter James Printing Limited | Administrative & support | 1999 |