| PIP Harland Ltd | Education | 2020 |
| Pirum Consultancy Limited | Professional & scientific | 2017 |
| PIT Stop Food Group Ltd | Wholesale & retail | 2026 |
| Pitchford Design Associates Limited | Professional & scientific | 2003 |
| Pitt Witherholme Limited | Agriculture & fishing | 1994 |
| Pittodrie Safety Consultants Limited | Administrative & support | 2011 |
| Pivovar Cafe Ltd | Hospitality | 2007 |
| Pivovar Holdings Limited | Financial services | 2019 |
| Pivovar Ltd | Manufacturing | 2003 |
| Pivovar Management Limited | Professional & scientific | 2013 |
| Pivovar TAP Limited | Hospitality | 2009 |
| Pixel Imaging Ltd | Information & communication | 2004 |
| Pixel Research Ltd | Professional & scientific | 2023 |
| Pixie Henge Ltd | Wholesale & retail | 2022 |
| Pizza Dunnington Limited | Hospitality | 2026 |
| Pizza Master York Limited | Hospitality | 2023 |
| Pizza Time York Limited | Hospitality | 2020 |
| PJ FM BID Management Ltd | Administrative & support | 2014 |
| PJD Guitars Custom Shop Ltd | Manufacturing | 2023 |
| Pjfm Plumbing Ltd | Construction | 2026 |
| Pjlt Limited | Financial services | 2021 |
| PJR Building Services Limited | Construction | 2015 |
| PJS Commercial Consultants Ltd | Professional & scientific | 2019 |
| PK Developments 2000 Limited | Financial services | 2004 |
| PK Luxury Lodges Limited | Real estate | 2021 |
| PKJ Inns Limited | Hospitality | 2025 |
| PKJ York Ltd | Hospitality | 2019 |
| Place Newton Farming Limited | Extraterritorial | 2011 |
| Planet Wash Limited | Extraterritorial | 2001 |
| Planetary 4X4 Limited | Wholesale & retail | 2015 |
| Planetemploy Limited | Information & communication | 2019 |
| Planit UXB Limited | Professional & scientific | 2011 |
| Planpulse UK Ltd | Information & communication | 2025 |
| Plantation Enterprises Ltd | Financial services | 2018 |
| Plantsmart Limited | Wholesale & retail | 2008 |
| Planz PM Ltd | Professional & scientific | 2014 |
| Plaskitt Interior Design Ltd | Wholesale & retail | 2010 |
| Plastec Solutions Ltd | Construction | 2025 |
| Plastech Windows (Pocklington) Limited | Construction | 2015 |
| Plasti-Fit Limited | Construction | 2022 |
| Plastic Access Panels Ltd | Manufacturing | 2009 |
| Plastic Process Design Ltd | Professional & scientific | 2001 |
| Plate&Post Ltd | Information & communication | 2025 |
| Plates & Pots Ltd | Hospitality | 2025 |
| Platinum Dental Care Ltd | Health & social care | 2016 |
| Platinum Giveaways Limited | Arts & recreation | 2024 |
| Platinum Properties Yorkshire Limited | Construction | 2016 |
| Plaxo Surfacing Ltd | Construction | 2025 |
| Playscheme Holdings Limited | Financial services | 2008 |
| Plazology Ltd | Manufacturing | 2009 |
| PLB Projects Ltd | Professional & scientific | 1999 |
| Pleating Solutions Ltd | Administrative & support | 2016 |
| Pleiades Shipping UK Limited | Extraterritorial | 2012 |
| Plentyboroughbridge Ltd | Hospitality | 2023 |
| Plonkers Wine Bar Ltd | Hospitality | 2010 |
| Plot 37 Management Company Limited | Real estate | 2003 |
| Plowman Brothers Limited | Manufacturing | 2006 |
| Pluggin Ecosystem Limited | Information & communication | 2018 |
| Plum Tree England Limited | Wholesale & retail | 2001 |
| Plumbcore Ltd | Construction | 2017 |
| Plumbum (York) Ltd | Arts & recreation | 2020 |
| Plump Ltd | Information & communication | 2007 |
| Plumpton Renewables Limited | Extraterritorial | 2011 |
| Plus One Catering Limited | Wholesale & retail | 2025 |
| PLW Creative Ltd | Professional & scientific | 2014 |
| PM & J Limited | Professional & scientific | 2014 |
| PM Global Solutions Limited | Professional & scientific | 2008 |
| Pmbs Consulting Ltd | Professional & scientific | 2020 |
| PMC Property Management Limited | Administrative & support | 2017 |
| PMR Property Lettings Ltd | Real estate | 2024 |
| PN Properties (York) Ltd | Real estate | 2024 |
| PNM York Limited | Professional & scientific | 2026 |
| POC Developments (Meadow View) Limited | Construction | 2015 |
| Pocket Horse Sales Ltd | Arts & recreation | 2024 |
| Pocket Para Ltd | Administrative & support | 2015 |
| Pocklington Brickwork Contractors Ltd | Construction | 2018 |
| Pocklington Chiropractic Clinic Limited | Extraterritorial | 2011 |
| Pocklington Finance and Trading Company Limited | Real estate | 1967 |
| Pocklington H&F Limited | Health & social care | 2002 |
| Pocklington Motor Care Ltd | Wholesale & retail | 2006 |
| Pocklington Pet Stores Ltd. | Wholesale & retail | 2003 |
| Pocklington Picture Framing Ltd. | Wholesale & retail | 2003 |
| Pocklington Rugby Club Limited | Arts & recreation | 2014 |
| Pocklington School Enterprises Limited | Hospitality | 1986 |
| Pocklington School International Limited | Education | 2018 |
| Pocklington School Nurseries Limited | Education | 2024 |
| Pocklington Sports Ground Limited(The) | Extraterritorial | 1933 |
| Pocklington Window Centre Limited | Construction | 2002 |
| Poco Marketing Limited | Manufacturing | 2022 |
| POD Boutique Ltd | Wholesale & retail | 2012 |
| Podiatric Innovations Limited | Health & social care | 2016 |
| Podiatry Clinics (Yorkshire) Limited | Health & social care | 2016 |
| Podiatry Properties (Yorkshire) Ltd | Real estate | 2021 |
| Poesis CIC | Education | 2025 |
| Point T Point Courier/S Ltd | Transport & logistics | 2026 |
| Pointium Ltd | Professional & scientific | 2026 |
| Polanie Ltd | Wholesale & retail | 2025 |
| Polaris Management Ltd. | Administrative & support | 1988 |
| Polemoor Power Limited | Energy | 2013 |
| Pollenation Limited | Information & communication | 2002 |