| Pathpoint Group Ltd | Wholesale & retail | 2021 |
| Pathwise Playbook Ltd | Information & communication | 2025 |
| Patricks Solicitors Limited | Professional & scientific | 2006 |
| Patriot Integrated Security Management Limited | Administrative & support | 1999 |
| Pattrick Brothers Communications Limited | Information & communication | 1987 |
| Paul Bateman Limited | Arts & recreation | 2003 |
| Paul Newbould Architectural Services Limited | Professional & scientific | 2003 |
| Paul Wareing Plumbing and Heating Limited | Construction | 2002 |
| Paul Wilson Consulting Limited | Professional & scientific | 2005 |
| Paula Juson Research Limited | Information & communication | 2003 |
| Paulton Limited | Real estate | 1964 |
| Paved Limited | Hospitality | 2016 |
| Pavellion Limited | Hospitality | 2017 |
| Paving UK Ltd | Construction | 2008 |
| PAW Journeys Pet Supplies Co Ltd | Wholesale & retail | 2025 |
| Paxton Chef Limited | Hospitality | 2022 |
| Paxtons Home Improvements Limited | Construction | 2007 |
| Payex Solutions Limited | Information & communication | 2026 |
| Payglobe Limited | Wholesale & retail | 2025 |
| Paymentsave Ltd | Information & communication | 2015 |
| Payne & Co Residentials Limited Liability Partnership | | 2003 |
| Payne & Co. Estate Agents Limited | Extraterritorial | 1999 |
| PB Lettings Ltd | Hospitality | 2007 |
| PBB Projects Limited | Information & communication | 2020 |
| PC Connected Limited | Information & communication | 2002 |
| PC Planet UK Ltd | Wholesale & retail | 2002 |
| PC Waiting Ltd | Financial services | 2019 |
| Peach and Sage Ltd | Hospitality | 2022 |
| Peadar Construction Limited | Professional & scientific | 2004 |
| Peak Beauty Aesthetics Limited | Other services | 2017 |
| Peaker Pattinson (Auctioneers) Limited | Professional & scientific | 2005 |
| Peakherbs Limited | Wholesale & retail | 2025 |
| Peakpulse Ltd | Manufacturing | 2019 |
| Pearl Orthodontics Limited | Health & social care | 2007 |
| Pearlpay Ltd | Information & communication | 2025 |
| Pearson Mitchell Limited | Real estate | 2017 |
| Pearson Mitchell Property Limited | Real estate | 2019 |
| Peartree Court/Netley Road Freehold Limited | Households | 2003 |
| Pectel Administration Ltd. | Professional & scientific | 1998 |
| Pedigree Cuts Limited | Administrative & support | 2007 |
| PEF UK Limited | Manufacturing | 2009 |
| Pegzeta Ltd | Wholesale & retail | 2024 |
| Pelican Global Ltd | Wholesale & retail | 2026 |
| Pell House Management Company Limited | Households | 2007 |
| Pelmoria Ltd | Wholesale & retail | 2026 |
| PEM Sheetmetal Limited | Manufacturing | 2004 |
| Pemberton Farms Limited | Agriculture & fishing | 1964 |
| Pembroke Business Centre (Basildon) Management Company Limited | Households | 1993 |
| Penguin Consultants Limited | Professional & scientific | 1998 |
| Pennick Holdings Limited | Professional & scientific | 2006 |
| Penrhyn Slates Limited | Professional & scientific | 2003 |
| Pensiveprints Limited | Wholesale & retail | 2005 |
| Pentara Resources Ltd | Wholesale & retail | 2007 |
| Peppery Snap Ltd | Information & communication | 2026 |
| Peradisehub Limited | Wholesale & retail | 2024 |
| Perfect Cart Ltd | Wholesale & retail | 2025 |
| Perfect Trainers Ltd | Wholesale & retail | 2025 |
| Perfekt Print Ltd | Manufacturing | 2011 |
| Perfume Plus Wholesale Ltd | Wholesale & retail | 2025 |
| Perkstream Limited | Transport & logistics | 1995 |
| Permanent Cleaning Systems Ltd | Other services | 1996 |
| Permanent Cosmetic Studio Ltd | Other services | 2025 |
| Perpasco Limited | Wholesale & retail | 2025 |
| Perros Azules Limited | Administrative & support | 2006 |
| Perry Capital Investments Ltd | Real estate | 2021 |
| Perry J Gardiner Consultancy Limited | Professional & scientific | 2006 |
| Perry Living Management Ltd | Real estate | 2022 |
| Perry Signs Limited | Manufacturing | 2025 |
| Perspective & Projection Ltd | Information & communication | 2026 |
| Pestwise Limited | Extraterritorial | 2008 |
| Pet Properties of Chelmsford Ltd | Manufacturing | 2003 |
| Peter Arundell Limited | | 1964 |
| Peter Fahey Limited | Construction | 2006 |
| Peter Hull Limited | Manufacturing | 2002 |
| Peter Marlow Ltd | Other services | 2007 |
| Peter Martin Interiors Limited | Other services | 1979 |
| Pettley Estates Limited | Construction | 2005 |
| Peverel Catering Services Ltd | Hospitality | 2020 |
| PF Assets Limited | Professional & scientific | 2024 |
| Pg-Online-Shop Ltd | Wholesale & retail | 2025 |
| PH7 Consulting Limited | Administrative & support | 2007 |
| Pharma Relief Ltd | Professional & scientific | 2024 |
| Pharmacrest Ltd | Wholesale & retail | 2004 |
| Pharmacy PLC | Extraterritorial | 2000 |
| Pharmakon Ltd | Other services | 2018 |
| Phase Payments Ltd | Administrative & support | 2023 |
| Phe-Lan Limited | Professional & scientific | 1997 |
| Phenodiadem Limited | Health & social care | 2025 |
| Phil Gridelet Limited | Arts & recreation | 2003 |
| Philip Ukpong Ltd | Wholesale & retail | 2021 |
| Phillimore Court Flats Limited | Real estate | 2000 |
| Phillip Leigh and Partners Limited | Real estate | 2004 |
| Phillips Fishcare Limited | Professional & scientific | 2004 |
| Phillips Roofing Limited | Construction | 2003 |
| Philwyn Limited | Construction | 2007 |
| Phoenecia Trading Company Limited | Real estate | 1976 |
| Phoenix Events North Ltd | Arts & recreation | 2025 |
| Phoenix Industrial Marketing Ltd | Professional & scientific | 2006 |
| Phoenix Logistics MD Ltd | Transport & logistics | 2005 |
| Phoenix Nights Property Holdings UK Ltd | Real estate | 2025 |