| Phil Carr Electrical Ltd | Construction | 2017 |
| Phoenix Data Ltd | Information & communication | 2019 |
| PIG Promotions Ltd | Information & communication | 2015 |
| Pimbo Ltd | Wholesale & retail | 2023 |
| Pimmo Co Ltd | Financial services | 2024 |
| Pineapple Chunks CIC | Arts & recreation | 2025 |
| Pixus Invest Ltd | Real estate | 2019 |
| Pixus Online Ltd | Information & communication | 2010 |
| PJ & a Ltd | Other services | 2017 |
| PJ Williams Ltd | Construction | 2019 |
| PJS Project Services Ltd | Construction | 2020 |
| PL Mech Ltd | Construction | 2025 |
| Plant and Trailer Security Limited | Wholesale & retail | 2012 |
| Plaster Craftsmen Ltd | Construction | 2025 |
| Plaural Films Ltd | Information & communication | 2012 |
| Play North West CIC | Education | 2024 |
| PLJ Holdings Limited | Financial services | 2023 |
| PLOT2BUY Limited | Real estate | 2018 |
| Plumbec Development Limited | Construction | 2026 |
| Pmcs Construction & Development Limited | Construction | 2020 |
| Popu Ltd | Wholesale & retail | 2020 |
| Posh & Co. Breweries Ltd | Manufacturing | 2025 |
| Positive Pathway Together UK Ltd | Health & social care | 2025 |
| Positivechoices Limited | Hospitality | 2024 |
| Potestas Contractors Ltd | Construction | 2023 |
| Power Technical Services Limited | Construction | 2008 |
| Powered by Property Ltd | Real estate | 2020 |
| Powerstance Ltd | Wholesale & retail | 2020 |
| PPM Logistics Ltd | Transport & logistics | 2024 |
| Precision Wheel Repairs Limited | Wholesale & retail | 2026 |
| Premier Commercial Kitchens Limited | Manufacturing | 2022 |
| Premises Compliance Ltd | Administrative & support | 2014 |
| Prescot Cables Football Club CIC | Arts & recreation | 2005 |
| Prescot Crane Services Limited | | 1973 |
| Prescot Dessert Ltd | Wholesale & retail | 2025 |
| Prescot Fencing Ltd | Construction | 2023 |
| Prescot Home Improvements Ltd | Construction | 2010 |
| Prescot Masonic Hall Limited | Real estate | 1948 |
| Prescot Plumbing & Heating Limited | Construction | 2017 |
| Prescot Reform Club Limited(The) | Hospitality | 1893 |
| Prescot ROV Services Ltd | Manufacturing | 2015 |
| Prescot Settle Cars Ltd | Administrative & support | 2025 |
| Prescot Vape Ltd | Wholesale & retail | 2025 |
| Pretty Lashes Limited | Wholesale & retail | 2025 |
| Primed Properties by the Fenner's Ltd | Real estate | 2024 |
| Prinnys Makeover Factory Limited | Other services | 2015 |
| Print & Co UK Ltd | Wholesale & retail | 2026 |
| Pristinedecor NW Ltd | Administrative & support | 2022 |
| Proclean Golf Ltd | Extraterritorial | 2026 |
| Prodtrac Limited | Professional & scientific | 2003 |
| Product Earth Expo UK Ltd | Administrative & support | 2014 |
| Profectus Developments Ltd | Hospitality | 2021 |
| Professional Software Development Limited | Information & communication | 2026 |
| Project Crystal Bidco Limited | Professional & scientific | 2021 |
| Project Crystal Topco Limited | Professional & scientific | 2021 |
| Promart Holdings (UK) Limited | Professional & scientific | 2005 |
| Promart Holdings Limited | Professional & scientific | 1997 |
| Promart Manufacturing Limited | Manufacturing | 1983 |
| Promart Trustee Limited | Professional & scientific | 2000 |
| Pronto Health Ltd | Health & social care | 2021 |
| Property Bridging UK Ltd | Financial services | 2009 |
| Psvack Limited | Professional & scientific | 2021 |
| Psyres Limited | Health & social care | 2019 |
| Pukkah Limited | Extraterritorial | 1998 |
| Pulse Regeneration Limited | Administrative & support | 2001 |
| Pure Air & Water Compliance Services Ltd | Hospitality | 2024 |
| Pure Fusion Ltd | Professional & scientific | 2026 |
| Pureskin Alderley Limited | Health & social care | 2018 |
| PW Commercial Consulting Limited | Professional & scientific | 2014 |
| Pwdc Limited | Transport & logistics | 2014 |
| PWN Properties Limited | Households | 2025 |
| Pwr.Solutions Ltd | Professional & scientific | 2017 |
| PWS Financial Consulting Limited | Financial services | 1953 |
| PWS Wealth Management Limited | Financial services | 2007 |
| QBE Projects Ltd | Administrative & support | 2017 |
| QRS 2012 Ltd | Manufacturing | 2012 |
| Quartz Jones Property Limited | Real estate | 2021 |
| Queeen Pizza Ltd | Hospitality | 2025 |
| R & R Roofing (North West) Limited | Construction | 1995 |
| R Joyce Joinery Limited | Construction | 2008 |
| R S Lifting Ltd | Professional & scientific | 2018 |
| R&Jtevolve Ltd | Extraterritorial | 2023 |
| R. & N. Wilson Investments Limited | Real estate | 2024 |
| R.D. Wilkes (Optometrist) Limited | Wholesale & retail | 1988 |
| Rachel Clarke Ltd | Other services | 2025 |
| RAD Reactive Installation & Maintenance Ltd | Construction | 2025 |
| Radupm Warrington Limited | Transport & logistics | 2025 |
| Rail Skills Ltd | Education | 2018 |
| Rainbow Feathers Ltd | Wholesale & retail | 2026 |
| Rainbow Property Solutions Limited | Real estate | 2024 |
| Rainhill Arts College CIC | Education | 2008 |
| Rainhill Business Centre Ltd | Real estate | 2009 |
| Rainhill Carpets & Flooring Ltd | Wholesale & retail | 2025 |
| Rainhill Carpets Ltd | Financial services | 2020 |
| Rainhill Contracting Ltd | Professional & scientific | 2021 |
| Rainhill Dance Studios Limited | Arts & recreation | 2025 |
| Rainhill Flooring Warehouse Ltd | Wholesale & retail | 2025 |
| Rainhill Flooring Wholesale Ltd | Wholesale & retail | 2025 |
| Rainhill Properties Ltd | Real estate | 2009 |
| Rainhill Upvc Windows Limited | Construction | 2014 |