| Phoenix GV Ltd | Other services | 2015 |
| Phoenix Heating & Energy Ltd | Energy | 2024 |
| Phoenix Office Machines Limited | Manufacturing | 2010 |
| Phoenix Parc Management Company Limited | Extraterritorial | 2005 |
| Phoenix Project Consulting Ltd | Professional & scientific | 2024 |
| Phoenix Skilled Recruitment & Training Solutions Ltd | Construction | 2024 |
| Phoenix U.K. Limited | Hospitality | 2022 |
| Phone 2 Limited | Information & communication | 2020 |
| Phones 2NV Ltd | Transport & logistics | 2004 |
| Phonic Engineering Limited | Manufacturing | 2014 |
| Physician Associate Schools Council | Education | 2022 |
| Piccadilly Transport Ltd | Transport & logistics | 2026 |
| Pick and Pack Company Limited | Wholesale & retail | 2026 |
| Pier Barley Ltd | Real estate | 2022 |
| Pier House Residents Association Limited | Households | 1989 |
| Pier VO Ltd | Construction | 2016 |
| PIF 1 Ltd | Administrative & support | 2025 |
| PIF247 Ltd | Administrative & support | 2026 |
| Piggyz (Strood) Ltd | Hospitality | 2025 |
| Pigs Gigs Limited | Information & communication | 2011 |
| Pilates Luxe Limited | Wholesale & retail | 2024 |
| Pilattes Studio Ltd | Other services | 2025 |
| Pilatum Construction Ltd | Construction | 2019 |
| Pink Bear Property Limited | Real estate | 2022 |
| Pink Ghost Hair Ltd | Other services | 2021 |
| Pink Love Pages Ltd | Wholesale & retail | 2025 |
| Pinnacle Project Services Ltd | Professional & scientific | 2022 |
| Pinnacure Healthcare Limited | Health & social care | 2021 |
| Pinnicale Building Services Limited | Construction | 2022 |
| Pinskis Ltd | Real estate | 2021 |
| Pinson TM Limited | Administrative & support | 2022 |
| Pipeach Technical Solutions Ltd | Manufacturing | 2026 |
| Piptech Ltd | Information & communication | 2014 |
| Pison Events Projector Limited | Arts & recreation | 2024 |
| Pitfield Green Management Company Limited | Professional & scientific | 2004 |
| Pixcroft Limited | Real estate | 2000 |
| Pixel Infotech Limited | Information & communication | 2017 |
| Pizza CON Amore Limited | Hospitality | 2024 |
| PJL Plumbing and Heating Ltd | Construction | 2011 |
| PJR Garage Services Ltd | Wholesale & retail | 2024 |
| PKB Rail Limited | Professional & scientific | 2011 |
| PKR Property Solutions Ltd | Construction | 2011 |
| Pksuppliedit Ltd | Wholesale & retail | 2026 |
| PL Bill Ltd | Hospitality | 2019 |
| PLACE2PLACE Cars Limited | Transport & logistics | 2009 |
| Plan My Kitchen Limited | Professional & scientific | 2021 |
| Planet Gym Limited | Arts & recreation | 2002 |
| Planet Pancake Ltd | Hospitality | 2014 |
| Planet Tech Limited | Information & communication | 2014 |
| Plaster Decoration Company Limited | Construction | 1999 |
| Plating Cartel Ltd | Hospitality | 2026 |
| Platinum Drives & Patio Services Ltd | Construction | 2022 |
| Platinum Luxe Capital Ltd | Financial services | 2025 |
| Platinum Luxe Group Ltd | Financial services | 2025 |
| Platinum Luxe Holdings Ltd | Real estate | 2024 |
| Platinum Management Group Ltd | Construction | 2024 |
| Platinum Plumbing (South East) Ltd | Construction | 2011 |
| Platinum Security & Fire Ltd | Construction | 2019 |
| Platinum Ville Limited | Real estate | 2026 |
| Plato Glocal Education Ltd. | Education | 2025 |
| Player IQ Coaching Limited | Education | 2025 |
| Plearn Light House Limited | Health & social care | 2025 |
| Plenitude (UK) Limited | Extraterritorial | 2012 |
| Plinthe Limited | Construction | 2017 |
| PLT Cleaning & Maintenance Ltd | Administrative & support | 2019 |
| PLT Cleaning Ltd | Administrative & support | 2020 |
| PLT Maintenance Ltd | Construction | 2019 |
| Plumbx Mechanical Services Ltd | Construction | 2023 |
| Plyfly Ltd | Transport & logistics | 2026 |
| PM Academic Tutoring Ltd | Education | 2025 |
| PMO Group UK Ltd | Administrative & support | 2008 |
| Pmsak Ltd | Health & social care | 2024 |
| PN Interiors Limited | Construction | 2020 |
| PO Prawns Limited | Hospitality | 2024 |
| Podspeeduk Ltd | Wholesale & retail | 2021 |
| Poea Consultancy Services Ltd | Information & communication | 2011 |
| Pohy Trans Ltd | Transport & logistics | 2023 |
| Poineerx Limited | Wholesale & retail | 2025 |
| Point Close Residents Association Limited | Households | 1992 |
| Pokeydd Trading Ltd | Wholesale & retail | 2026 |
| Polihim Properties Ltd | Real estate | 2026 |
| Polish Saturday School in Gravesend | Education | 2012 |
| Polo Holdings Ltd | Real estate | 2021 |
| Polski Ksiegowy W UK Ltd | Professional & scientific | 2016 |
| Polveg Limited | Wholesale & retail | 2024 |
| Pomedelbart Ltd | Real estate | 2022 |
| Pool & Spa Hero's Ltd | Administrative & support | 2025 |
| Pooney Training Limited | Education | 2022 |
| Poonian Properties Ltd | Real estate | 2024 |
| POP Pillars Solutions Limited | Professional & scientific | 2019 |
| POP UP Adventures Limited | Information & communication | 2017 |
| POP UP Arcade Ltd | Arts & recreation | 2015 |
| Popey Transport Ltd. | Transport & logistics | 2014 |
| Poppies Pizza and Chicken Ltd | Hospitality | 2024 |
| Portalsys Limited | Information & communication | 2014 |
| Portlane Consultants Limited | Professional & scientific | 2005 |
| Portman PM Lettings Limited | Real estate | 2015 |
| Portman PM Limited | Real estate | 2013 |
| Poshwash Valeting (Kent) Ltd | Other services | 2013 |
| Positive Payment Solution Ltd | Other services | 2026 |