| Paces Newington Ltd | Administrative & support | 2025 |
| Paces Quebec Ltd | Administrative & support | 2020 |
| Paces Talgarth Ltd | Administrative & support | 2021 |
| Paces Wallis Ltd | Administrative & support | 2021 |
| Packaging AI Ltd | Information & communication | 2015 |
| Paddock Grove (Effingham) Management Ltd | Real estate | 2025 |
| PAH Lottery Limited | Arts & recreation | 1997 |
| Palazzo Sant Angelo Limited | Households | 2006 |
| Paleo Petres Ltd | Administrative & support | 2017 |
| Palladium Projects Ltd | Professional & scientific | 2017 |
| Palmerston Enterprises Limited | Administrative & support | 2026 |
| Paloma Plage Ltd. | Administrative & support | 2023 |
| Panthea Leadership Ltd | Professional & scientific | 2010 |
| Parade and Albany Limited | Hospitality | 2017 |
| Parade Bathrooms Limited | Wholesale & retail | 2024 |
| Parcent Consulting Ltd | Professional & scientific | 2025 |
| Pareesay Holdings Limited | Hospitality | 2019 |
| Parent Cloud Ltd | Information & communication | 2019 |
| Park Tavern PUB Ltd | Hospitality | 2014 |
| Parkgate House Developments Limited | Real estate | 2016 |
| Parkwood Financial Solutions Ltd | Professional & scientific | 2010 |
| Partridge Muir & Warren Holdings Limited | Financial services | 1996 |
| Partridge Muir & Warren Limited | Financial services | 1969 |
| Paskell Estates Limited | Real estate | 2003 |
| Pastrada Limited | Extraterritorial | 2016 |
| Paul Edmonds Limited | Other services | 1996 |
| Paul Edmonds London Limited | Financial services | 2022 |
| Paul Edmonds Products Limited | Wholesale & retail | 2020 |
| Pavelu Ltd | Information & communication | 2023 |
| Pavlo Holdings Limited | Real estate | 2016 |
| Paxtons Management Company Limited(The) | Real estate | 1982 |
| Pban Limited | Health & social care | 2020 |
| PCB Runner Limited | Administrative & support | 2023 |
| Pcnf Consulting Limited | Professional & scientific | 2026 |
| PD Studio Ltd | Construction | 2025 |
| PD2 UK and Europe Limited | Extraterritorial | 2013 |
| Peacock House Private Limited | Real estate | 2018 |
| Pearson Strategic Ltd | Professional & scientific | 2014 |
| Pebble Production Co Limited | Administrative & support | 2016 |
| Pegasus Design Limited | Professional & scientific | 2000 |
| Penates Management Company (Esher) Limited | Households | 1991 |
| Pennymead Place (Esher) Management Company Limited | Households | 2005 |
| People in Tune Ltd | Professional & scientific | 2026 |
| People Untapped Holdings EOT Limited | Administrative & support | 2022 |
| People Untapped Holdings Limited | Financial services | 2016 |
| People Untapped Limited | Professional & scientific | 2011 |
| Pepper & Wolf Limited | Real estate | 2017 |
| PER Annum Limited | Administrative & support | 1997 |
| Percebes Partners LLP | | 2023 |
| Performance & Health Therapy Ltd | Health & social care | 2019 |
| Persona Communications Limited | Professional & scientific | 2014 |
| Personal Prosthetics Ltd | Administrative & support | 2019 |
| Pharos Innovation Advisory Limited | Professional & scientific | 2025 |
| Phfp Limited | Real estate | 2025 |
| PHX3 International Ltd | Administrative & support | 2022 |
| Picadali Consultancy Ltd | Information & communication | 2021 |
| Pici Investments Limited | Financial services | 2025 |
| Pieces of YOU Limited | Manufacturing | 2004 |
| Pilates Esher Ltd | Arts & recreation | 2018 |
| Pimass Property Ltd | Real estate | 2025 |
| PIN Point Carpentry & Joinery Ltd | Construction | 2017 |
| Pinko 27 Limited | Administrative & support | 2022 |
| Pinnernoir Ltd | Professional & scientific | 2024 |
| Pintly Ltd | Information & communication | 2023 |
| Pitfield Consultancy Limited | Other services | 1998 |
| Pitfield Management Limited | Real estate | 2006 |
| Pixie D Limited | Households | 2018 |
| Pizza Claygate Ltd | Hospitality | 2026 |
| PJ Global Distribution Ltd | Wholesale & retail | 2025 |
| PJ Halliwell and IK Halliwell Ltd | Administrative & support | 2011 |
| PJG2 Consulting Limited | Information & communication | 2022 |
| PJL Driveways & Patios Ltd | Construction | 2026 |
| Pjmr Ltd | Real estate | 2019 |
| Place Ferry Company Ltd | Transport & logistics | 2022 |
| Planaxil Ltd | Professional & scientific | 2026 |
| Playfoot Consulting Limited | Professional & scientific | 2026 |
| Plotnpillar Ltd | Real estate | 2026 |
| PMW Legal Limited | Professional & scientific | 2016 |
| PNR Digital Limited | Administrative & support | 2008 |
| Podium Place Solutions Limited | Information & communication | 2025 |
| Polished Nails and Cocktails Ltd | Other services | 2020 |
| Polly Oswald Medical Writing Limited | Professional & scientific | 2021 |
| Poolpass Limited | Information & communication | 2025 |
| Popular Pictures Limited | Professional & scientific | 1987 |
| Porchway Properties Limited | Real estate | 2014 |
| Portnall House Ltd | Financial services | 2016 |
| Pragmatic Advisory Ltd | Professional & scientific | 2021 |
| Pratten Properties Ltd | Real estate | 2025 |
| Premhurst Limited | Households | 1983 |
| Premra Ltd | Professional & scientific | 2009 |
| Prestige Fabric Care Ltd | Other services | 2007 |
| Prestige Home & Office Cleaning Ltd | Administrative & support | 2017 |
| Price Property Consultants Limited | Real estate | 2014 |
| Prideglade Investments Limited | | 1987 |
| Private Child Psychiatrist Limited | Health & social care | 2018 |
| Professional Examination AID Limited | Education | 2025 |
| Profit Panel Ltd | Professional & scientific | 2025 |
| Profitample Limited | Real estate | 1995 |
| Project Drivers Ltd | Professional & scientific | 2011 |
| Prokareer Ltd | Wholesale & retail | 2025 |