| PC Licensing Limited | Administrative & support | 2007 |
| PCD Products Ltd | Wholesale & retail | 2026 |
| PCH Cars Ltd | Wholesale & retail | 2023 |
| Pcjh Ltd | Hospitality | 2021 |
| PDK Charnwood Limited | Wholesale & retail | 2007 |
| PE Services 4 X 4 Limited | Wholesale & retail | 2015 |
| Peak Media Group Ltd | Professional & scientific | 2020 |
| Pear Tree Place Limited | Hospitality | 2025 |
| Pebble Mountain Limited | Professional & scientific | 2026 |
| Pebble Properties BC Ltd | Real estate | 2026 |
| Pebble Properties Ltd | Real estate | 2018 |
| Pebble Properties Management Ltd | Financial services | 2018 |
| Pellew Build Ltd | Construction | 2022 |
| Pelorus Pharma Services Ltd | Professional & scientific | 2026 |
| Pembridge Oaks Developments Limited | Real estate | 2020 |
| Pembroke Medical Limited | Health & social care | 2023 |
| Penair Ltd | Construction | 2018 |
| Penhill Park Limited | Hospitality | 1988 |
| Peninsula Engineering Services Limited | Wholesale & retail | 2022 |
| Peninsula Ophthalmology Ltd | Health & social care | 2010 |
| Peninsula Orthopaedics Limited | Health & social care | 2019 |
| Peninsula Paediatrics Ltd | Health & social care | 2026 |
| Peninsula Plastic Surgery Limited | Health & social care | 2006 |
| Peninsular Civil Engineering Ltd | Professional & scientific | 2006 |
| Penne for Your Thoughts Devon Ltd | Hospitality | 2024 |
| Pens Unlimited (Devon) Limited | Other services | 2015 |
| Penwills Limited | Other services | 1998 |
| Peomed Ltd | Health & social care | 2026 |
| Peoplenet International Limited | Professional & scientific | 1997 |
| Peplows Audit Limited | Professional & scientific | 2024 |
| Peplows Holdings Limited | Financial services | 2024 |
| Peplows Ltd. | Administrative & support | 1995 |
| Peplows Property Ltd | Extraterritorial | 2024 |
| Pepper Communications Limited | Manufacturing | 1982 |
| Perennial Thought Ltd | Information & communication | 2021 |
| Perfect Service UK Ltd | Wholesale & retail | 2003 |
| Perform Better Coaching Ltd | Education | 2025 |
| Perrin & SON Construction Limited | Construction | 2014 |
| Persoma Limited | Information & communication | 2017 |
| Pet Remedy Limited | Manufacturing | 2021 |
| Petco Limited | Hospitality | 2025 |
| Pete Smallbones Plumbing & Heating Ltd | Construction | 2013 |
| Peter Booth Kitchens Limited | Manufacturing | 2002 |
| Peter Prior Ltd | Professional & scientific | 2022 |
| Peter Tanner Engineering Limited | Professional & scientific | 2012 |
| Peters Optical Limited | Health & social care | 2008 |
| Peterson Consulting Services Ltd | Professional & scientific | 2019 |
| Petram GI Limited | Professional & scientific | 2020 |
| Petroc Management Company Limited | Households | 2004 |
| Petscope Ltd | Professional & scientific | 2026 |
| Phace Installations Ltd. | Administrative & support | 2006 |
| Phaedem Limited | Extraterritorial | 2014 |
| Phar Services Ltd | Agriculture & fishing | 2022 |
| Pharmakobe Limited | Health & social care | 2022 |
| PHASE2PHASE Electrical Limited | Construction | 2015 |
| Phased Project Management Ltd | Construction | 2020 |
| Phased Site Engineering Ltd | Construction | 2023 |
| Phelvyn Ltd | Wholesale & retail | 2025 |
| Philip D Hughes Ltd | Professional & scientific | 2011 |
| Phipps Enterprise Ltd | Real estate | 2023 |
| Phipps Leisure Ltd | Arts & recreation | 2019 |
| Phoenix Bay Limited | Education | 2021 |
| Phoenix Chudleigh Ltd | Hospitality | 2014 |
| Phoenix Solicitors & Advocates Ltd | Professional & scientific | 2008 |
| Phoenix Sounds (South West) Limited | Wholesale & retail | 2022 |
| Pictoff Limited | Construction | 2014 |
| Pigment Organic Dyes CIC | Agriculture & fishing | 2023 |
| Pike Ward (SW) Holdings Limited | Transport & logistics | 2025 |
| Pike Ward South West Limited | Transport & logistics | 2021 |
| Pilkington Marine Ltd | Professional & scientific | 2011 |
| Pinehurst Partners Limited | Health & social care | 2004 |
| Pinehurst Partners Properties Limited | Financial services | 2020 |
| Pineway House Management Limited | Households | 2012 |
| Pink Heating & Renewables Ltd | Construction | 2014 |
| Pink Heating Limited | Construction | 2004 |
| Pinnacle Interiors Ltd | Manufacturing | 2024 |
| Pinneys Group Limited | Professional & scientific | 2016 |
| Pinuccia Investments Ltd | Real estate | 2025 |
| Pipe and Vessel Services Ltd | Extraterritorial | 2017 |
| Pirongs Limited | Information & communication | 1960 |
| Pistrina Limited | Wholesale & retail | 2018 |
| Pitt Barns Management Company Limited | Households | 2000 |
| Pitten Holdings Limited | Financial services | 2024 |
| Pitten Investment Properties Limited | Real estate | 2025 |
| Pitten Limited | Wholesale & retail | 2003 |
| Pivotal Partnerships Ltd | Professional & scientific | 2019 |
| Pixel Enterprises Limited | Other services | 1987 |
| Pixora Digital Limited | Information & communication | 2025 |
| PJT Surfacing Ltd | Construction | 2025 |
| PJW Meters Limited | Wholesale & retail | 2011 |
| PKJ Music Limited | Arts & recreation | 2003 |
| PL MBO Limited | Financial services | 2025 |
| PL1 Property Partners LLP | | 2019 |
| Planet Purple Limited | Professional & scientific | 2012 |
| Plascaff Limited | Extraterritorial | 2020 |
| Plasloc Construction Services Limited | Construction | 2019 |
| Plasloc Limited | Administrative & support | 2007 |
| Platinum Properties (SW) Ltd | Real estate | 2024 |
| Playful Pastures Ltd | Education | 2024 |
| Playquip Installations Limited | Construction | 2014 |