| Positive Solutions International Limited | Professional & scientific | 2001 |
| Potters Interiors Limited | Construction | 2017 |
| Poverest Estate Management Limited | Households | 1974 |
| Povey Haulage Limited | Transport & logistics | 2026 |
| Powar Development & Investments Ltd | Real estate | 2023 |
| Power-Pro Engineering and Parts Ltd | Wholesale & retail | 2025 |
| POWERSOFT19 Associates Limited | Information & communication | 2025 |
| Powr Corporation Ltd | Wholesale & retail | 2023 |
| PPF Solutions UK Ltd | Wholesale & retail | 2021 |
| PPL Trans Limited | Transport & logistics | 2015 |
| PPM Rail Consultancy Limited | Construction | 2013 |
| PR2 Developments Ltd | Construction | 2019 |
| Practical Pest Control Ltd | Administrative & support | 2025 |
| Prahet Property Services Ltd | Real estate | 2021 |
| Prani Estates Ltd | Real estate | 2025 |
| PRC Trans Consulting Ltd | Transport & logistics | 2025 |
| Precious Gems Day Care Ltd | Health & social care | 2024 |
| Precise Heating and Plumbing Ltd | Construction | 2022 |
| Precise Trackside Solutions Ltd | Other services | 2019 |
| Precision CUT Gemstone and Jewellery Limited | Wholesale & retail | 2025 |
| Precision South East Ltd | Other services | 2025 |
| Preloved Designer Ltd | Wholesale & retail | 2023 |
| Premier Asset Investments Limited | Real estate | 2018 |
| Premier Commercial Assets Ltd | Real estate | 2017 |
| Premier Commercial Investments Ltd | Real estate | 2017 |
| Premier Dwellings Limited | Real estate | 2017 |
| Premier Electrical Solutions Limited | Construction | 2020 |
| Premier Taxis Gravesham Ltd | Transport & logistics | 2019 |
| Preparing the Home Ltd | Other services | 2022 |
| Prest-Air Limited | Construction | 2022 |
| Prestige & Performance Car Services Limited | Wholesale & retail | 2002 |
| Prestige Cleanworks Ltd | Administrative & support | 2025 |
| Prestige Quarters Properties Ltd | Real estate | 2024 |
| Prestige Waterproofing Ltd | Construction | 2019 |
| Prestige Worldwide IT Ltd | Information & communication | 2020 |
| Prevailers Church Network | Information & communication | 2013 |
| Price TAG Angels Ltd | Wholesale & retail | 2025 |
| Priceworth (UK) Ltd | Administrative & support | 2005 |
| Pricix Ltd | Professional & scientific | 2026 |
| Pride Cleaning Limited | Other services | 2001 |
| Prime Built Homes Ltd | Construction | 2025 |
| Prime Developments & Projects Ltd | Construction | 2026 |
| Prime Inc. Ltd | Administrative & support | 2022 |
| Prime Power Holdings Limited | Administrative & support | 2026 |
| Prime Power Systems Limited | Administrative & support | 2026 |
| Prime Property Trading Ltd | Real estate | 2019 |
| Prime Shine Professional Cleaning Ltd | Administrative & support | 2026 |
| Primecity Estates Ltd | Real estate | 2024 |
| Primelink Express Ltd | Transport & logistics | 2021 |
| Primelock Solutions Ltd | Administrative & support | 2026 |
| Primex Property Limited | Real estate | 2025 |
| Primex Property Solutions Limited | Real estate | 2021 |
| Print Boss Limited | Other services | 2016 |
| Priority Environmental Consultants Limited | Households | 2004 |
| Priority Properties Limited | Real estate | 2015 |
| Priority Wills Ltd | Professional & scientific | 2018 |
| Priory Residents Association (Folkestone) Ltd | Households | 2000 |
| Priory Residents Company Limited | Households | 1987 |
| Prise IO Limited | Transport & logistics | 2023 |
| Pristine Plates Ltd | Wholesale & retail | 2023 |
| Pristine Touch Ltd | Administrative & support | 2025 |
| Pristine Zone Services Ltd | Administrative & support | 2026 |
| Pro Aerial Visuals Ltd | Professional & scientific | 2020 |
| Pro Asset Investments Limited | Real estate | 2020 |
| Pro Building Group Ltd | Construction | 2026 |
| Pro Capital Finance Ltd | Financial services | 2024 |
| Pro Duct Cleaning Limited | Administrative & support | 2018 |
| Pro Estates UK Limited | Real estate | 2009 |
| Pro Glazing Services Limited | Construction | 2021 |
| Pro Group London Limited | Financial services | 2020 |
| Pro Hosts London Limited | Real estate | 2023 |
| Pro Labourers Ltd | Construction | 2020 |
| Pro Limitless Services Limited | Health & social care | 2023 |
| Pro Options Ltd | Other services | 2021 |
| Pro Water Treatment Ltd | Administrative & support | 2017 |
| Pro-Digital UK Limited | Information & communication | 2015 |
| Proarb Kent Ltd | Financial services | 2023 |
| Prodis Solutions Ltd | Other services | 2013 |
| Proficiency Limited | Health & social care | 2019 |
| Proficient Hands Limited | Construction | 2024 |
| Proficient Kent Services Limited | Manufacturing | 2024 |
| Profit Matters Bookkeeping Ltd | Professional & scientific | 2023 |
| Progress 8 Consultancy Limited | Education | 2025 |
| Project Security Systems Ltd | Administrative & support | 2022 |
| Projects 24 Ltd | Construction | 2020 |
| Prolift HST Ltd | Education | 2025 |
| Prolinq Ltd | Water & waste | 2018 |
| Prominere Crockery & Crew Limited | Hospitality | 2025 |
| Pronoia Consultancy Services Limited | Professional & scientific | 2025 |
| Property Acquisitions and Investments Limited | Real estate | 2021 |
| Property LU Developments Limited | Real estate | 2024 |
| Property Place Investments Limited | Real estate | 2025 |
| Property Trading Team Ltd | Real estate | 2025 |
| Property Vista Limited | Real estate | 2016 |
| Property(Dot)Team Ltd | Construction | 2017 |
| Prophesy Holdings Ltd | Financial services | 2020 |
| Proshield Render Systems Ltd | Construction | 2026 |
| Prospect Appliances Ltd | Manufacturing | 2022 |
| Protect and Collect Ltd | Wholesale & retail | 2020 |
| Protected Life Planning Ltd | Other services | 2016 |