| Pear Tree Properties Limited | Real estate | 1957 |
| Pearmain Place Estate Management Company Limited | Real estate | 2023 |
| PEB Research & Design Limited | Administrative & support | 2014 |
| Pedroca Limited | Other services | 2019 |
| Peepers Limited | Wholesale & retail | 1985 |
| Peerless Painters Limited | Construction | 2007 |
| PEG Consultancy Ltd | Professional & scientific | 2015 |
| Pegasus Heating and Plumbing Ltd | Construction | 2017 |
| Pei-Pei Cheang Clinic Ltd | Health & social care | 2017 |
| Pelios Limited | Professional & scientific | 2023 |
| Pellegrini Research Ltd | Professional & scientific | 2022 |
| Pembroke Property Management Ltd | Real estate | 2011 |
| Pembury Chinese & Thai Cuisine Takeaway Limited | Hospitality | 2023 |
| Pembury Fitness Limited | Arts & recreation | 2026 |
| Pembury Place Management Limited | Households | 2005 |
| Pembury School House Nursery | Education | 2005 |
| Pembury Technology Limited | Information & communication | 2025 |
| Pendlebury Properties Limited | Real estate | 2015 |
| Penedes LLP | | 2010 |
| Penelope Coffee Limited | Wholesale & retail | 2022 |
| Penguin Projects Ltd | Construction | 2023 |
| Penney Tomes & Thaysen Limited | Professional & scientific | 2020 |
| Pennington Park Pre-School and Tea Rooms Limited | Education | 2015 |
| Penshurst Electrical Limited | Construction | 2020 |
| Pensions Delivered Limited | Financial services | 2013 |
| Pentagon Consulting Group Limited | Professional & scientific | 2014 |
| Pentagon Consulting Limited | Information & communication | 2008 |
| Penumbra Blinds and Solar Control Limited | Administrative & support | 2004 |
| Penwood Real Assets Limited | Professional & scientific | 2018 |
| Pepenbury Limited | Information & communication | 2002 |
| Peppigogo Limited | Real estate | 2009 |
| Peppigogo Property Holdings Ltd | Real estate | 2023 |
| Performance Gyms Limited | Arts & recreation | 2011 |
| Peri Vadi Ltd | Hospitality | 2022 |
| Perimeter Trading Ltd | Wholesale & retail | 2026 |
| Perkins Property Limited | Real estate | 2019 |
| Perpetual IT Consultants Ltd | Information & communication | 2007 |
| Perpetuity Research and Consultancy International Limited | Professional & scientific | 2002 |
| Perpigne Limited | Professional & scientific | 2026 |
| Perro Limited | Households | 1989 |
| Perry Smith Limited | Professional & scientific | 2007 |
| Persian & Emporium Limited | Wholesale & retail | 2023 |
| Personality Brands Limited | Professional & scientific | 2015 |
| Pest Arrest South East Limited | Administrative & support | 2025 |
| Peter Connell Associates Limited | Professional & scientific | 2015 |
| Peter Flint Ltd | Professional & scientific | 2023 |
| Peter Gooderham Consultancy Limited | Professional & scientific | 2015 |
| Peter Hodgson & Co. Ltd | Professional & scientific | 2016 |
| Peter Hurst Limited | Professional & scientific | 2014 |
| Peter Lewis Chartered Architect Limited | Professional & scientific | 2001 |
| Peter Oakford Consulting Limited | Professional & scientific | 2014 |
| Peters Plumbing Ltd | Construction | 2021 |
| Petersfield Toy Limited | Construction | 2016 |
| Petquip Limited | Other services | 2006 |
| Petram Consulting Limited | Professional & scientific | 2023 |
| Petrichor Holdings | Financial services | 2020 |
| Petrichor Property Consulting Limited | Professional & scientific | 2020 |
| Petula Consulting Limited | Professional & scientific | 2025 |
| Pfjblh Limited | Information & communication | 2023 |
| PH Construction Ltd | Construction | 2022 |
| Phadge Ltd | Information & communication | 2024 |
| Phannakorn Thai Food Limited | Hospitality | 2023 |
| Pharmaliaisons Limited | Administrative & support | 2022 |
| Pharmanature Ltd | Wholesale & retail | 2017 |
| Phase One Joinery Limited | Extraterritorial | 2015 |
| PHB Consulting Limited | Professional & scientific | 2014 |
| PHCO154 Limited | Professional & scientific | 2006 |
| PHCO279 Limited | Professional & scientific | 2010 |
| PHD Express Limited | Transport & logistics | 2012 |
| PHI Design & Build Ltd | Administrative & support | 2007 |
| Philament Limited | Information & communication | 2022 |
| Philip and Beverley Drew Limited | Professional & scientific | 2020 |
| Philip Huberty Films Ltd | Information & communication | 2023 |
| Philly Holdings Ltd | Manufacturing | 2022 |
| Phiq Group Limited | Financial services | 2020 |
| Phlx Limited | Construction | 2013 |
| Phoenica Property Limited | Construction | 2016 |
| Phoenix Yard Management Company Ltd | Households | 2018 |
| Phoinix Ltd | Professional & scientific | 2022 |
| Phones 4 Less (Kent) Limited | Manufacturing | 2016 |
| Phonics FUN Limited | Education | 2014 |
| Phronesis Limited | Professional & scientific | 1998 |
| PHW247 Limited | Professional & scientific | 2020 |
| PHY8 Limited | Other services | 2023 |
| Physioholistic Limited | Health & social care | 2015 |
| PI2R Ltd | Professional & scientific | 2022 |
| Picked Dating Ltd | Extraterritorial | 2025 |
| Pickles Doggy Daycare Ltd | Other services | 2025 |
| Pickwin Properties Ltd | Real estate | 2025 |
| Picture Perfect Property Management Ltd | Real estate | 2021 |
| Pierian Wines Limited | Wholesale & retail | 2025 |
| Pierson Hunt Limited | Administrative & support | 2023 |
| Piette Management Ltd | Professional & scientific | 2023 |
| Pikefish Legal Services Ltd | Professional & scientific | 2022 |
| Pilgrim Motor Sports Ltd | Wholesale & retail | 2023 |
| Pilot Technologies Limited | Information & communication | 2013 |
| Pinaka Fashions Ltd | Wholesale & retail | 2024 |
| Pincus and Co Ltd | Professional & scientific | 2025 |
| Pine Tree Cafes Limited | Hospitality | 2024 |
| Pinemint Limited | Hospitality | 1984 |