| P R Utilities Engineering Ltd | Other services | 2014 |
| P. Horner (Property) Limited | Real estate | 2003 |
| P.J. Allison (Contracts) Limited | Construction | 2001 |
| P.J. Allison (Wirral) Limited | Construction | 1974 |
| P.Lewis Heating & Plumbing Ltd | Construction | 2011 |
| P.M.C. (Northwest) Ltd. | Construction | 2002 |
| P.White Limited | Real estate | 2023 |
| P3 Mortgage Group Ltd | Financial services | 2019 |
| PA4TODAY Limited | Administrative & support | 2009 |
| PAB Accountants Ltd | Professional & scientific | 2018 |
| PAB Payroll Bureau Limited | Professional & scientific | 2001 |
| PABLO95 Ltd | Extraterritorial | 2021 |
| Pace Architecture Ltd | Professional & scientific | 2017 |
| Pack Leaders International Ltd | Wholesale & retail | 2021 |
| PAD-20 Consultancy Ltd | Real estate | 2020 |
| PAD-20 Developments Ltd | Construction | 2020 |
| PAD-20 Living Ltd | Real estate | 2020 |
| PAD-20 Ltd | Financial services | 2020 |
| Paddyfinny Limited | Arts & recreation | 2025 |
| Padi Global Ltd | Wholesale & retail | 2026 |
| Padstone Limited | Construction | 2013 |
| Page Tiling Partnership | | 2000 |
| Paintbox Activities Limited | Health & social care | 2002 |
| Pak-Wraps Limited | Real estate | 1963 |
| Palatine (R&D) Group Ltd | Administrative & support | 2012 |
| Palatine Research and Data Limited | Professional & scientific | 2002 |
| Pali Ltd | Information & communication | 2004 |
| Pallerton (Property) Limited | Real estate | 1973 |
| Pallerton Limited | Wholesale & retail | 1996 |
| Pallikattil Care Limited | Health & social care | 2017 |
| Palm Coffee Lounge Ltd | Hospitality | 2024 |
| Palmer Media Limited | Information & communication | 2003 |
| Palmetto Property Group Ltd | Real estate | 2020 |
| Panache (Wirral) Limited | Other services | 2014 |
| Pandle Ltd | Financial services | 2009 |
| Panomyx Limited | Professional & scientific | 2024 |
| Panorama Loft Conversions Ltd | Construction | 2022 |
| Panowerx Pictures Limited | Arts & recreation | 2019 |
| Panscoe Ltd | Other services | 2012 |
| Pantheon Recruitment Ltd | Administrative & support | 2026 |
| Paolos Neapolitan Pizza Limited | Hospitality | 2013 |
| Papel Limited | Wholesale & retail | 1994 |
| Paper & Word Limited | Wholesale & retail | 2023 |
| Para-Prime Medical Ltd | Education | 2024 |
| Para-Prime Training CIC | Education | 2024 |
| Paradise Valley Ltd | Agriculture & fishing | 2026 |
| Paramount Arboricultural Services Limited | Administrative & support | 2003 |
| Paranormal EYE Events Ltd | Administrative & support | 2023 |
| Park Group UK Limited | Professional & scientific | 2006 |
| Park Hamper Company Limited | Professional & scientific | 2003 |
| Park View (Wirral) Management Company Limited | Real estate | 2007 |
| Parkfield Fishing and Angling Centre Limited | Wholesale & retail | 2012 |
| Parkfield Park Homes Ltd | Real estate | 2010 |
| Parkgate Baths Limited | Real estate | 2016 |
| Parkgate JV 1 LLP | | 2016 |
| Parkgate Legal Services Ltd | Other services | 2019 |
| Parkgate North West Limited | Financial services | 2012 |
| Parkmere Car Sales Ltd | Wholesale & retail | 2017 |
| Parkview Gardens Ltd | Real estate | 2016 |
| Parque Holdings Limited | Professional & scientific | 2023 |
| Parr Dental Surgery Limited | Health & social care | 2011 |
| Parr Properties Ltd | Real estate | 2025 |
| Parr Street Studios Limited | Extraterritorial | 2006 |
| Parry Glaze and Build Ltd | Construction | 2024 |
| Partition Craft Limited | Construction | 2016 |
| Partyroo Ltd | Wholesale & retail | 2024 |
| Pascua Property Limited | Real estate | 2024 |
| Passion Projects Construction Ltd | Construction | 2023 |
| Pasture Road Candyshop Ltd | Wholesale & retail | 2024 |
| Pathfinder Development Ltd | Education | 2021 |
| Patiemus Limited | Professional & scientific | 2022 |
| Pattern & Patina Ltd | Information & communication | 2023 |
| Paueza Investments Limited | Real estate | 2016 |
| Paul Bennett North West Ltd | Information & communication | 2019 |
| Paul Carter (NW) Limited | Wholesale & retail | 2023 |
| Paul Chambers Consulting Limited | Professional & scientific | 2018 |
| Paul Durgan Limited | Administrative & support | 2012 |
| Paul Hughes Property Solutions Ltd | Households | 2022 |
| Paul Moore Opticians Limited | Health & social care | 1994 |
| Paul Robinson Financial Services Limited | Financial services | 2008 |
| Paul Ryman Ltd | Administrative & support | 2019 |
| Paul Tonge Assessments Limited | Education | 2025 |
| Paul Yates (Wirral) Limited | Wholesale & retail | 2016 |
| Paveaway Landscapes Ltd | Construction | 2016 |
| Paving Bright Ltd | Administrative & support | 2011 |
| Pavlo Somov Consultancy Ltd | Professional & scientific | 2022 |
| PAW Spa Dog Grooming Ltd | Agriculture & fishing | 2020 |
| Pawfect Delights Ltd | Other services | 2024 |
| Paws Truly Co Ltd | Other services | 2025 |
| Paws Truly Wirral Ltd | Other services | 2024 |
| Pawsome Pet Store Ltd | Wholesale & retail | 2026 |
| PAY GAP Limited | Professional & scientific | 2025 |
| Paybena Limited | Administrative & support | 2026 |
| Paydrive Solutions Limited | Information & communication | 2021 |
| PB Drainage Ltd | Professional & scientific | 2022 |
| PB Property Development & Investment Ltd | Real estate | 2018 |
| PB Security Consultants Limited | Administrative & support | 2022 |
| Pbrt Limited | Construction | 2015 |
| PC Services Group Ltd | Administrative & support | 2019 |
| PCD Consultants Limited | Information & communication | 2019 |