| Poppi Group Ltd | Other services | 2019 |
| Popsie Properties Limited | Real estate | 2020 |
| Porta Micro Matic Limited | Manufacturing | 1987 |
| Porter Leightwood Limited | Administrative & support | 2004 |
| Porter Wood Law Limited | Professional & scientific | 2023 |
| Porterstore Ltd | Transport & logistics | 2004 |
| Portfolio 2008 Limited | Wholesale & retail | 2008 |
| Portross Engineering, Logistics INT. Ltd | Professional & scientific | 2016 |
| Portsons Limited | Real estate | 2006 |
| Potential Unearthed Limited | Professional & scientific | 2009 |
| Potteries Kebab House Ltd | Hospitality | 2020 |
| Potters Loft Limited | Hospitality | 2022 |
| Power Factor Limited | Manufacturing | 2020 |
| Power Pulling Association Limited | Arts & recreation | 2017 |
| Powergen Refurb and Maintenance Ltd | Construction | 2025 |
| Powers Industries Limited | Extraterritorial | 2013 |
| Powertek Electrical Limited | Construction | 2010 |
| Poxon Food Limited | Hospitality | 2024 |
| PPL Catering Ltd | Hospitality | 2011 |
| PPS Proactive Property Services Limited | Construction | 2019 |
| PR Gases Ltd | Wholesale & retail | 2004 |
| PR Group Limited | Financial services | 2021 |
| PR Joinery Solutions Limited | Construction | 2009 |
| PR Ventures (NW) Limited | Financial services | 2024 |
| PR6 Holdings Limited | Financial services | 2025 |
| PR7 MOT & Service Ltd | Wholesale & retail | 2025 |
| PR7 PUB Co. Limited | Hospitality | 2025 |
| Pragmatice Ltd | Professional & scientific | 2015 |
| Praying Mantis Properties Limited | Real estate | 2025 |
| Pre-Site Surveys Limited | Professional & scientific | 1990 |
| Precision Sports Therapy Clinic Ltd | Other services | 2025 |
| Preebewpublishing Limited | Information & communication | 2024 |
| Prefered Solutions Limited | Health & social care | 2019 |
| Premier (NW) Limited | Real estate | 2009 |
| Premier Driveways and Patios Limited | Construction | 2019 |
| Premier Health Limited | Health & social care | 2009 |
| Premier Law Limited | Professional & scientific | 2013 |
| Premier Orthopaedics NW Ltd | Health & social care | 2017 |
| Premierheat Ltd | Construction | 2024 |
| Premium CBD Limited | Wholesale & retail | 2018 |
| Premium Christmas Trees Limited | Agriculture & fishing | 2010 |
| Premium Domains Ltd | Information & communication | 2025 |
| Prescott Groundwork & Civil's Limited | Construction | 2012 |
| Prescribing Solutions Limited | Health & social care | 2021 |
| Presse Limited | Manufacturing | 2017 |
| Prestage Properties Ltd | Real estate | 2025 |
| Prestige Roofing and Building Services Ltd | Construction | 2018 |
| Prestige Worldwide Property Developments Ltd | Real estate | 2024 |
| Preston BJJ Ltd | Arts & recreation | 2015 |
| Preston City FC CIC | Arts & recreation | 2026 |
| Preston Fencing Limited | Construction | 2015 |
| Preston Incorporated Law Society | Other services | 1896 |
| Preston Jointing Services Ltd | Construction | 2017 |
| Preston Windscreens Limited | Professional & scientific | 2005 |
| Pretty Little Crystals Limited | Wholesale & retail | 2024 |
| Pretty Little Healing Crystals Ltd | Wholesale & retail | 2020 |
| Preventor Building Services Limited | Other services | 2020 |
| Price Tiling Pro Ltd | Construction | 2018 |
| Prima Capital Limited | Financial services | 2014 |
| Primary Logic Ltd | Professional & scientific | 2026 |
| Prime Heating Solutions NW Ltd | Construction | 2024 |
| Prime Holdings NW Ltd | Real estate | 2024 |
| Prime Management Group Limited | Administrative & support | 2020 |
| Prime Sourcing Ltd | Administrative & support | 2023 |
| Primeedge Contractors Limited | Construction | 2024 |
| Primera Wealth Management Limited | Financial services | 2017 |
| Primrose Developments (NW) Limited | Construction | 1995 |
| Primrose Future LLP | | 2025 |
| Primrose Holdings 1995 Ltd | Construction | 1991 |
| Primrose Industrial Buildings Limited | Real estate | 2024 |
| Primrose Properties Rental Limited | Real estate | 2002 |
| Primrose Rentals (Heywood) Limited | Real estate | 2021 |
| Print & Data Source Limited | Manufacturing | 1989 |
| Printer Copy Solutions Ltd | Administrative & support | 2022 |
| Prismo Road Markings Limited | Manufacturing | 2006 |
| Pristine Leathers Limited | Manufacturing | 2025 |
| Pritchard's Martial Arts Ltd | Education | 2012 |
| Private Ambulance Services (P.A.S.) North West Ltd | Other services | 2024 |
| Privin Limited | Wholesale & retail | 2015 |
| Pro Bike Parts Limited | Wholesale & retail | 2024 |
| Pro Dance Footwear Limited | Wholesale & retail | 2000 |
| Pro Gardens by Shaun Duxbury Ltd | Administrative & support | 2024 |
| Pro Procurement II Limited | Administrative & support | 2023 |
| Pro Vending Limited | Wholesale & retail | 2016 |
| Pro Vinyl Ltd | Manufacturing | 2019 |
| Pro-Fit Contracts Ltd | Construction | 2025 |
| Pro-Seal Mastics Ltd | Construction | 2020 |
| Proactive Despatch Ltd | Transport & logistics | 2008 |
| Procure & Build Consulting Ltd | Professional & scientific | 2024 |
| Procurite Ltd | Professional & scientific | 2024 |
| Procurix Ltd | Wholesale & retail | 2025 |
| Prodigy Groundworks Limited | Construction | 2023 |
| Prodo Group Limited | Professional & scientific | 2019 |
| Professional Financial Centre (Cumbria) Limited | Financial services | 2004 |
| Professional Investment Management Services (Maidstone) Limited | Financial services | 2009 |
| Professional Search Services Ltd | Information & communication | 2003 |
| Profile 2000 Limited | Administrative & support | 2010 |
| Profm Group Limited | Administrative & support | 1996 |
| Proforce Recruitment Limited | Administrative & support | 2020 |
| Progress Green Ltd | Construction | 2012 |