| Perdix Property Ltd | Other services | 2018 |
| Perennial Healthcare Ltd | Wholesale & retail | 2025 |
| Perfect Health Limited | Health & social care | 2014 |
| Peri Health Limited | Health & social care | 2015 |
| Period Property Consultancy Limited | Construction | 2007 |
| Perkes Holdings Limited | Financial services | 2021 |
| Perkes Properties Limited | Real estate | 2021 |
| Perkins Farm Appledore Ltd | Agriculture & fishing | 2021 |
| Permanent Make-Up Solutions Ltd | Other services | 2008 |
| Perrin Financial Services Ltd | Financial services | 2025 |
| Perring Travels Limited | Administrative & support | 2024 |
| Perrins Plastering Limited | Construction | 2026 |
| Perry Court Butchers Limited | Wholesale & retail | 2024 |
| Perry Court Tearoom Limited | Hospitality | 2024 |
| Perrywood Vending Solutions Limited | Hospitality | 2013 |
| Perseverance Capital Limited | Extraterritorial | 2025 |
| Personal Best Limited | Professional & scientific | 2001 |
| Pestaway Ltd | Professional & scientific | 2002 |
| Pestridge Holdings Limited | Professional & scientific | 2015 |
| Petepaint Ltd | Construction | 2013 |
| Peter Wood GAS Installations Limited | Construction | 2003 |
| Petes Mechanics & Remaps Limited | Wholesale & retail | 2019 |
| Petfood Machinery Ltd | Wholesale & retail | 2022 |
| Petma Ventures Ltd | Real estate | 2024 |
| PETS2O Limited | Manufacturing | 2025 |
| Pevington Consulting Limited | Construction | 2025 |
| PG Pleasure Boats Limited | Arts & recreation | 2010 |
| PGB Advisory Limited | Professional & scientific | 2026 |
| PH & PA Ltd | Hospitality | 2024 |
| PH Building Guidance Ltd | Arts & recreation | 2023 |
| PH Butler Ltd | Construction | 2021 |
| PH Install Limited | Construction | 2017 |
| Pharma 3DPI Limited | Other services | 2024 |
| Pharma Market Ltd | Information & communication | 2026 |
| Phemmy Homes Ltd | Real estate | 2025 |
| PHI & Pillar Limited | Extraterritorial | 2025 |
| Phil Bridges Engineering Ltd | Professional & scientific | 2011 |
| Phillips Busbar Services Ltd | Construction | 2016 |
| Phipps Motors Ltd | Wholesale & retail | 2015 |
| Phoenix Car Works Ltd | Wholesale & retail | 2019 |
| Phoenix Chemicals UK Limited | Wholesale & retail | 2022 |
| Phoenix Counselling Kent Ltd | Education | 2017 |
| Phoenix Customs Services Ltd | Other services | 2024 |
| Phoenix Evolution Consultants Ltd | Professional & scientific | 2024 |
| Phoenix Ingredients UK Limited | Wholesale & retail | 2024 |
| Phoenix Light Gaming Ltd | Information & communication | 2023 |
| Phoenix Mind Ltd | Education | 2023 |
| Photography Gone Wild Ltd | Other services | 2017 |
| Physiokinesis Limited | Other services | 2011 |
| PHYSIOS4U Ltd | Health & social care | 2020 |
| Physiotherapy MSK Ltd. | Wholesale & retail | 2014 |
| Piano Piano Limited | Professional & scientific | 2024 |
| Pianoforte Tuners’ Association Limited | Other services | 2021 |
| Pick Plates Ltd | Wholesale & retail | 2021 |
| Picketts Valeting Ltd | Administrative & support | 2023 |
| Pickfam Property Ltd | Real estate | 2019 |
| Pickone Limited | Construction | 2009 |
| Piercy Props Ltd | Arts & recreation | 2019 |
| Pierrepont Court Management Services Limited | Households | 1987 |
| Pike Martyn Limited | Extraterritorial | 2016 |
| Pilch Collard (1968) Limited | Professional & scientific | 1968 |
| Pillar Property Partners Ltd | Real estate | 2020 |
| Pilotfish Consulting Limited | Professional & scientific | 2012 |
| Pilwal FX Limited | Professional & scientific | 2023 |
| Pinch Systems Limited | Construction | 2025 |
| Pine Electrical Services Ltd | Construction | 2025 |
| Pineridge Builders Limited | Construction | 2011 |
| Pineridge Tree Care & Site Services Ltd | Agriculture & fishing | 2020 |
| Pink Elephant Solutions Limited | Administrative & support | 2014 |
| Pink Grapefruit Design Limited | Information & communication | 2006 |
| Pink OWL Events Ltd. | Administrative & support | 2026 |
| Pink Sheet Investments Limited Limited | Households | 2023 |
| Pinken Ltd | Wholesale & retail | 2026 |
| Pinnacle Global Advisory & Ventures Ltd | Professional & scientific | 2025 |
| Pinnacle Investments Limited | Construction | 2013 |
| Pinnacle Trax Ltd | Arts & recreation | 2024 |
| Pinnacle Tyres Limited | Wholesale & retail | 2025 |
| Pinnacle View Ltd | Wholesale & retail | 2023 |
| Pinnacle West Limited | Construction | 2016 |
| Pinnaclearc Ltd | Professional & scientific | 2024 |
| Pinnington Digital Ltd | Information & communication | 2026 |
| Pinnock Place Management Company Limited | Households | 2022 |
| Pinpoint Drainage Services Ltd | Water & waste | 1999 |
| PIO L/R Services Ltd | Real estate | 2025 |
| PIO Legal Services Limited | Professional & scientific | 2022 |
| Pioneer Gateway Properties Ltd | Real estate | 2025 |
| Pioneer Solutions Limited | Construction | 2023 |
| Pipeline Essentials Ltd | Wholesale & retail | 2025 |
| Pipeprep Water Services Ltd | Water & waste | 2025 |
| Piper Homes South East Limited | Construction | 2018 |
| Piper Test & Measurement Limited | Professional & scientific | 1991 |
| Piper-Jo Ltd | Construction | 2022 |
| Piromar Ltd | Health & social care | 2016 |
| Pitac (UK) Ltd | Construction | 1996 |
| Pitch Mananala Consultancy Limited | Health & social care | 2016 |
| Pitch Perfect Sports Surfacing Ltd | Construction | 2018 |
| Pitstop Drainage Limited | Water & waste | 2016 |
| Pixel Patch Limited | Information & communication | 2015 |
| Pixel Trickery Limited | Information & communication | 2015 |
| Piyav Ltd | Health & social care | 2021 |