| Pink Consultants LLP | | 2008 |
| Pink Elephant Publishing Limited | Information & communication | 2022 |
| Pink Mary Limited | Wholesale & retail | 2023 |
| Pink Proactive Publishing LLP | | 2015 |
| Pinnacle Asset Holdings Ltd | Real estate | 2011 |
| Pioneer Taxis Tunbridge Wells Ltd | Transport & logistics | 2023 |
| Pipes & Wires Limited | Construction | 2009 |
| Pipeworks - Plumbing - Heating Ltd | Construction | 2023 |
| Pippa Aldrich Marketing Ltd | Professional & scientific | 2025 |
| Piracy Corporation Limited | Professional & scientific | 2005 |
| Piranha Pool Limited | Information & communication | 2012 |
| Pitch Collective Ltd | Professional & scientific | 2017 |
| Pitchpoint Events Ltd | Professional & scientific | 2024 |
| Pitoco Ltd | Real estate | 2017 |
| Pitt Kensington Estate Management Company Limited | Real estate | 2023 |
| Pittodrie Consulting Ltd | Professional & scientific | 2025 |
| Pivotie Limited | Administrative & support | 2016 |
| PIX & PAX Ltd | Wholesale & retail | 2024 |
| Pixel Carvers Ltd | Professional & scientific | 2017 |
| Pixel Sketch Limited | Information & communication | 2018 |
| Pixelbench Ltd | Information & communication | 2019 |
| Pixie Towers Limited | Arts & recreation | 2022 |
| Pizza "Itself" Limited | Manufacturing | 2026 |
| Pizza Joint Tunbridge Wells Ltd | Hospitality | 2025 |
| Pizza TW Ltd | Hospitality | 2025 |
| PJ & PW Holdings Ltd | Financial services | 2016 |
| PJ Rolfe Holdings Limited | Financial services | 2023 |
| PJF Engineering Limited | Construction | 2004 |
| Pjgb Limited | Real estate | 2018 |
| PJP Tech Ltd | Information & communication | 2017 |
| PK Masar Ltd | Real estate | 2025 |
| PK Sherwood Ltd | Wholesale & retail | 2015 |
| PK7 Couriers Ltd | Transport & logistics | 2026 |
| PL Commercial Services Limited | Professional & scientific | 2006 |
| Place 2 Go Round Ltd | Transport & logistics | 2017 |
| Plan B Marketing Limited | Extraterritorial | 1990 |
| Plan in Limited | Professional & scientific | 2021 |
| Planet 360 Limited | Manufacturing | 2014 |
| Planning for Impact Ltd | Professional & scientific | 2024 |
| Plant Shake Limited | Manufacturing | 2019 |
| Platform & Goods Lift Company Ltd | Construction | 2021 |
| Platform Lift Consultants Ltd | Professional & scientific | 2018 |
| Platinum Building Maintenance Ltd | Construction | 2025 |
| Platinum Business Solutions Ltd | Information & communication | 2025 |
| Platio Limited | Information & communication | 2015 |
| Play 'N Grow Childcare Ltd | Health & social care | 2022 |
| Plaza Land Ltd | Real estate | 2018 |
| Pliabl Ltd | Health & social care | 2021 |
| PLN Consultancy Services Ltd | Professional & scientific | 2025 |
| PLN Property Limited | Real estate | 2023 |
| Plum Focus Ltd | Professional & scientific | 2017 |
| Plumbectrix Ltd | Construction | 2016 |
| Plus One Gallery Limited | Wholesale & retail | 2012 |
| Plus-Accounts Ltd | Professional & scientific | 2004 |
| PM Plasterers Limited | Construction | 2014 |
| PMO Process Support Limited | Professional & scientific | 2024 |
| PN Computing Limited | Information & communication | 2005 |
| Pnel Property LLP | | 2015 |
| POB Create Ltd | Manufacturing | 2023 |
| Point Blank Fruit Limited | Professional & scientific | 2019 |
| Polar Consultancy Group Ltd | Other services | 2023 |
| Polarstar Development Consultancy Limited | Administrative & support | 2007 |
| Polcoverack Cottages Management Company Limited | Real estate | 2007 |
| Polka Deli Ltd | Wholesale & retail | 2015 |
| Polkadots OUT of School Care Ltd | Health & social care | 2021 |
| Polymensa Ltd | Other services | 2020 |
| Polymeric Investments Limited | Extraterritorial | 2014 |
| Polyplay Ltd | Professional & scientific | 2021 |
| Polysemantic Ltd | Information & communication | 2019 |
| Pomm (11) Limited | Real estate | 2005 |
| Pondokkie Limited | Real estate | 2020 |
| Pooch N Purr Photography Ltd | Professional & scientific | 2024 |
| Pooltech Swimming Pools Ltd | Construction | 2019 |
| Poppelmann Consulting Ltd | Information & communication | 2024 |
| POPUP-VENUES2YOU Ltd | Administrative & support | 2018 |
| Portdex Limited | Information & communication | 2019 |
| Porters and Wells Limited | Financial services | 2024 |
| Porth Beach Hotel Ltd | Hospitality | 2016 |
| Portlake Limited | Real estate | 1994 |
| Portland Education Limited | Professional & scientific | 2015 |
| Portofino Restaurants Ltd | Hospitality | 2025 |
| Poshpicks London Ltd | Wholesale & retail | 2025 |
| Position One Management Ltd | Arts & recreation | 2024 |
| Postilion Capital Limited | Professional & scientific | 2010 |
| Postilion Capital UK LLP | | 2010 |
| Posture Solutions Limited | Health & social care | 2019 |
| Powdermill Garage Ltd | Wholesale & retail | 2019 |
| Powell Film Limited | Information & communication | 2025 |
| Powell's Electrical Company (PEC) Ltd | Construction | 2023 |
| Powys 99 Productions Limited | Professional & scientific | 2026 |
| PPM Consult Limited | Professional & scientific | 2008 |
| PRA Projects Ltd | Information & communication | 2014 |
| Practical GC Limited | Professional & scientific | 2024 |
| Practix Solutions Ltd | Information & communication | 2022 |
| Pradium Ltd | Real estate | 2020 |
| Praed Holdings Limited | Financial services | 2017 |
| Prand Limited | Real estate | 2021 |
| Precision Sheet Products Limited | Manufacturing | 1997 |
| Premea Solutions Limited | Administrative & support | 2018 |
| Premi-Air Testing and Energy Assessment Services Ltd | Professional & scientific | 2020 |