| Pharos Insight Limited | Professional & scientific | 2009 |
| PHC York Ltd | Construction | 2018 |
| Pher Limited | Hospitality | 2021 |
| PHI Industrial UK Ltd | Financial services | 2020 |
| Phil Marsland Limited | Administrative & support | 2017 |
| Phil Summerbell Roofing Ltd | Construction | 2022 |
| Phil Wood Electrical Ltd | Construction | 2006 |
| Phileas FRY Ltd | Wholesale & retail | 2019 |
| Phileas Properties LLP | | 2022 |
| Philip Bayram Limited | Transport & logistics | 1995 |
| Philip Graves Limited | Arts & recreation | 2023 |
| Philip Green Lettings Limited | Real estate | 2001 |
| Philip Haigh Limited | Professional & scientific | 2021 |
| Philip Place Limited | Professional & scientific | 2003 |
| Philip Rose Mtce Limited | Other services | 2016 |
| Philip Rose York Ltd | Other services | 2011 |
| Philip Wells Consultancy Limited | Professional & scientific | 2011 |
| Philips & Co Properties Ltd | Construction | 2024 |
| Phillumenart Ltd | Manufacturing | 2024 |
| Phinix Logistics (GB) Ltd | Transport & logistics | 2013 |
| Phoebe Mannion Limited | Professional & scientific | 2023 |
| Phoenix (York) Limited | Hospitality | 2015 |
| Phoenix Architectural Conservation Ltd | Construction | 2014 |
| Phoenix Asset Finance Limited | Financial services | 2006 |
| Phoenix Autobody & Restorations Limited | Manufacturing | 2011 |
| Phoenix Finance and Capital Ltd | Financial services | 2021 |
| Phoenix Software Limited | Wholesale & retail | 1990 |
| Phones and Accessories Limited | Wholesale & retail | 2021 |
| Phorest Diagnostics Ltd | Professional & scientific | 2022 |
| Phorge Developments Ltd | Construction | 2025 |
| Phorge Electrical Services Ltd | Construction | 2026 |
| Phosyn Chemicals Limited | Extraterritorial | 1967 |
| Photography by Edina Ltd | Professional & scientific | 2024 |
| Photonsync Limited | Professional & scientific | 2019 |
| Phototastic Ltd | Extraterritorial | 2018 |
| Phra Nakhon (Leeds) Limited | Hospitality | 2019 |
| Phra Nakhon Limited | Hospitality | 2015 |
| PHS Property Services Limited | Real estate | 2015 |
| Piazza Limited | Hospitality | 2021 |
| Pica Pica Business Consultants Limited | Professional & scientific | 2010 |
| Piccolo Popolo Ltd | Extraterritorial | 2012 |
| Pickard Garage Services Limited | Wholesale & retail | 2009 |
| Pickard Motorsport Ltd | Wholesale & retail | 2023 |
| Pickaway LLP | | 2005 |
| Pickering&District Motor Club Ltd | Arts & recreation | 2010 |
| Picket 20 Management Company Limited | Households | 2011 |
| Picket Twenty Two (Andover) Management Company Limited | Real estate | 2017 |
| Picture House Limited | Information & communication | 2025 |
| Piece of Mind Home Care Ltd | Health & social care | 2024 |
| Piercy END Management Company Limited | Households | 2005 |
| Pierre Developments (Holdings) Ltd | Financial services | 2022 |
| Pierre Developments (Invest) Limited | Construction | 2022 |
| Pierre Developments (Malton Road) Ltd | Construction | 2025 |
| Pierre Developments (Moor Monkton) Ltd | Real estate | 2024 |
| Pierre Developments (York Place) Ltd | Construction | 2022 |
| Pierre Developments Ltd | Construction | 2020 |
| Pigeon PIE Management Company Ltd | Households | 2012 |
| Piglets Adventure Farm Limited | Agriculture & fishing | 2015 |
| Pigs With Wings Ltd | Manufacturing | 2017 |
| Pike Hills Golf Club Trading Ltd | Hospitality | 2016 |
| Pilcher Brokerage Ltd | Financial services | 2020 |
| Pilcher Capital Partners Ltd | Real estate | 2014 |
| Pilcher Contracting Limited | Administrative & support | 2019 |
| Pilcher Homes Limited | Construction | 1987 |
| Pilcher Property Management Ltd. | Real estate | 2019 |
| Pilgrim Health Ltd | Extraterritorial | 2023 |
| Pili York Limited | Hospitality | 2016 |
| Pillarstone Inspections Ltd | Construction | 2026 |
| Pilot Theatre Limited | Arts & recreation | 1985 |
| Pimlott Fitzgerald Racing Limited | Arts & recreation | 2019 |
| Pimmend Ltd | Professional & scientific | 2017 |
| Pinc Limited | Financial services | 2026 |
| Pinc Management Limited | Health & social care | 2012 |
| Pinchfield Investments Limited | Real estate | 2018 |
| Pinchfield Properties Limited | Construction | 2008 |
| Pinco Consulting Services Limited | Administrative & support | 2016 |
| Pine Streetwear Ltd | Wholesale & retail | 2026 |
| Pinea Limited | Information & communication | 2020 |
| Pineapple Financial Planning Limited | Financial services | 2025 |
| Pinehurst Court Management Limited | Households | 1973 |
| Pineiro and Other Limited | Health & social care | 2025 |
| Pinewood Grange (Castleford) Management Company Limited | Households | 2024 |
| Pinfold Farm Fresh Meats Limited | Agriculture & fishing | 2014 |
| Pinfold Medical Limited | Health & social care | 2017 |
| Pinfold Pies Ltd | Manufacturing | 2015 |
| Pink Cube Ltd | Administrative & support | 2020 |
| Pink Pearl Consulting Limited | Professional & scientific | 2025 |
| Pink Rose Pubs Ltd | Professional & scientific | 2026 |
| Pink Thinking Limited | Wholesale & retail | 2022 |
| Pinkhouse Distillery Ltd | Manufacturing | 2020 |
| Pinnacle Conservation Limited | Construction | 2019 |
| Pinnacle Leisure Parks Limited | Extraterritorial | 2026 |
| Pinnacle Marquees (UK) Limited | Administrative & support | 2008 |
| Pinoso Ilkley Limited | Wholesale & retail | 2017 |
| Pinpoint Commercial Finance Limited | Financial services | 2015 |
| Pioneer Building Construction Limited | Construction | 2026 |
| Pioneer Fisheries Ltd | Agriculture & fishing | 2024 |
| Pioneer Marketing Group Limited | Professional & scientific | 2024 |
| Pioneer Mortgage Services Ltd | Financial services | 2015 |
| Pioneering H&F Ltd | Wholesale & retail | 2025 |