| PHONETRADERS512 Limited | Wholesale & retail | 2025 |
| Physiomatic Ltd | Wholesale & retail | 2023 |
| Picea Design Limited | Professional & scientific | 1999 |
| Pickering Property Rentals Ltd | Real estate | 2024 |
| Pickford Macclesfield Limited | Hospitality | 2020 |
| Pingit Limited | Professional & scientific | 2014 |
| Pink Glow Media Ltd | Professional & scientific | 2021 |
| Pipio Services Ltd | Construction | 2012 |
| Pirie Morgan Limited | Wholesale & retail | 2025 |
| Pitt PM Ltd | Real estate | 2017 |
| PKT Property Limited | Professional & scientific | 2015 |
| PKY Engineering Limited | Manufacturing | 2006 |
| PL Facilities and Maintenance Limited | Administrative & support | 2025 |
| Planemetric Limited | Professional & scientific | 1984 |
| Planet Zeus Ltd | Professional & scientific | 2016 |
| Plasma International Ltd | Administrative & support | 2019 |
| Platinum Construct Ltd | Construction | 2025 |
| Platinum Localization Ltd | Construction | 2021 |
| Platinum MCR Limited | Real estate | 2026 |
| PLL Football Academy Ltd | Arts & recreation | 2023 |
| Pltavernsnw Limited | Hospitality | 2024 |
| PMB Contracting Limited | Information & communication | 2015 |
| PMD 2 Ltd | Professional & scientific | 2026 |
| PMD Computing Limited | Information & communication | 2008 |
| PMZ Electrical Contractors Ltd | Construction | 2014 |
| PN Stubbs Limited | Professional & scientific | 2007 |
| PNG Stays Limited | Real estate | 2025 |
| Podenco Limited | Professional & scientific | 2011 |
| Policy AI Ltd | Information & communication | 2025 |
| Polydew Limited | Administrative & support | 2020 |
| Pomona Close Road Management Co Ltd | Households | 2019 |
| Pondcroft Consulting Limited | Professional & scientific | 2019 |
| Porter Accountancy Services Limited | Administrative & support | 2014 |
| Porters Service Station Limited | Wholesale & retail | 1996 |
| Portico Sport UK Limited | Construction | 2022 |
| Portobello Pizza Ltd | Hospitality | 2024 |
| Portrait Homes Limited | Real estate | 2022 |
| Posh Brats Limited | Wholesale & retail | 2008 |
| Posh Brats Retail Ltd | Wholesale & retail | 1997 |
| Potential Holdings Group Limited | Financial services | 2024 |
| Powells Plumbing and Heating Engineers Limited | Construction | 2024 |
| Power Commerce Limited | Wholesale & retail | 2023 |
| Powerhouse Publishing Ltd | Information & communication | 2011 |
| Powerup Systems Ltd | Information & communication | 2026 |
| Practical Packaging Ltd | Administrative & support | 2021 |
| Pranglin Limited | Professional & scientific | 2013 |
| PRC Fulfilment Ltd | Transport & logistics | 2025 |
| Precision Autos and Repairs Ltd | Wholesale & retail | 2025 |
| Precision Care Group Ltd | Health & social care | 2023 |
| Precision Origins Ltd | Wholesale & retail | 2026 |
| Precision Templating Ltd | Construction | 2025 |
| Pree Investments Ltd | Real estate | 2026 |
| Preevent Limited | Professional & scientific | 2013 |
| Prefixa Technologies Limited | Information & communication | 2025 |
| Premier Landscaping Services Limited | Construction | 2017 |
| Premier Wealth Solutions Ltd | Professional & scientific | 2019 |
| Prepco Trading Ltd. | Information & communication | 2015 |
| Prescribing Decision Support Limited | Information & communication | 2006 |
| Presence Space Ltd | Hospitality | 2024 |
| Prestige Cleaning Services (NW) Limited | Administrative & support | 2017 |
| Prestige Cleaning Services One (UK) Limited | Administrative & support | 2026 |
| Prestige Gardening Services Limited | Administrative & support | 2018 |
| Prestige Properties Abroad Limited | Administrative & support | 1998 |
| Price Enterprise Holdings Limited | Real estate | 2020 |
| Prickly Peach Films Ltd | Information & communication | 2025 |
| Primash Limited | Professional & scientific | 2015 |
| Prime Rent Housing Ltd | Real estate | 2025 |
| Primedos Limited | Administrative & support | 2020 |
| Primitive Type Limited | Information & communication | 2020 |
| Primrose Property Investments Limited | Financial services | 2024 |
| Primtike Limited | Professional & scientific | 2011 |
| Privata Healthcare Ltd | Wholesale & retail | 2021 |
| PRL Estates Limited | Real estate | 2018 |
| Pro Pathway Limited | Arts & recreation | 2017 |
| Pro-Stretch Trims International Limited | Wholesale & retail | 2015 |
| Professional Active Security (Stoke) Ltd | Administrative & support | 2018 |
| Professional Instruction Services Ltd | Education | 2012 |
| Project 1863 Ltd | Hospitality | 2023 |
| Project One Transport Ltd | Transport & logistics | 2024 |
| Project Think Ltd | Professional & scientific | 2024 |
| Project Velo Limited | Information & communication | 2019 |
| Properties by K & N Limited | Real estate | 2022 |
| Property & Marine Services Ltd | Professional & scientific | 2012 |
| Property by the Sea Limited | Professional & scientific | 2009 |
| Property Dotty Ltd | Real estate | 2024 |
| Property Management Services (North) Limited | Construction | 2003 |
| Property Repairs & Services Ltd | Administrative & support | 2001 |
| Protea Properties (Congleton) Limited | Real estate | 2016 |
| Protopper Limited | Professional & scientific | 2014 |
| Provent Commercial Cleaning Services Ltd | Administrative & support | 2025 |
| PSG Property Services Limited | Real estate | 2023 |
| PTG Consulting Limited | Professional & scientific | 2018 |
| PTP & Co Limited | Financial services | 2014 |
| PTP Entertainment Limited | Information & communication | 2014 |
| Puckle Street Limited | Extraterritorial | 2012 |
| Pulse Design & Build Ltd | Construction | 2014 |
| Pulse Equipment Group Limited | Arts & recreation | 2008 |
| Pulse Fitness Holdings Limited | Professional & scientific | 1987 |
| Pulse Fitness Limited | Administrative & support | 2002 |
| Pulse Global Limited | Professional & scientific | 2018 |