| Peter Kerrigan Ltd. | Professional & scientific | 1996 |
| Peter Moss (Holdings) Limited | Professional & scientific | 2009 |
| Peter Sharp Education Ltd | Education | 2022 |
| Peters a Limited | Wholesale & retail | 2016 |
| Peterson Orthopaedics Limited | Health & social care | 2020 |
| Petit Croche Ltd | Wholesale & retail | 2024 |
| Petlu Ltd | Hospitality | 2026 |
| Petreaconstruct Ltd | Construction | 2026 |
| PFA Electrics Limited | Construction | 2012 |
| PG Civils NW Ltd | Construction | 2020 |
| PGS Industrial Silencers Ltd | Manufacturing | 2015 |
| PGX Projects Limited | Construction | 2017 |
| Ph&Fa. Ltd | Transport & logistics | 2024 |
| PHA Consultancy Ltd | Professional & scientific | 2019 |
| Pharmapac Ventures Limited | Manufacturing | 2018 |
| Pharmarketeer Limited | Information & communication | 2009 |
| PHC Franchising Limited | Administrative & support | 2021 |
| PHC Property Limited | Real estate | 2026 |
| Philip Jeffrey Skin Limited | Other services | 2020 |
| Phils Courier Service Ltd | Transport & logistics | 2024 |
| Phoenix Group NW Limited | Construction | 2019 |
| Phoenix Legal Consultancy Limited | Professional & scientific | 2017 |
| Phoenix Nursery Group Holdings Limited | Real estate | 2019 |
| Phoenix Nursery Group Limited | Education | 2017 |
| Phthalo Building Services Limited | Construction | 2024 |
| Pilon Consulting Limited | Professional & scientific | 2014 |
| PIN High Impact Limited | Wholesale & retail | 2015 |
| Pinetree Court (Wallasey) Management Company Limited | Households | 1991 |
| Pink Graffiti Ltd | Other services | 2017 |
| Pinnacle Career Coaching Ltd | Administrative & support | 2023 |
| Pinnacle Commercial Property Ltd | Real estate | 2017 |
| Pinnacle Electrical Supplies (Oldham) Limited | Wholesale & retail | 2024 |
| Pinnacle Electrical Supplies Ltd | Wholesale & retail | 2011 |
| Pinnacle Plumbing & Heating Supplies Limited | Wholesale & retail | 2019 |
| Pitch Perfect Personalities Ltd | Professional & scientific | 2025 |
| Pizza Farm Express Ltd | Hospitality | 2026 |
| Pizza Perfect Oxton Road Ltd | Hospitality | 2025 |
| Pizza Point & Kebab Ltd | Hospitality | 2026 |
| Pizza Point Grill Ltd | Hospitality | 2025 |
| Pizzaland Oxton Road Ltd | Hospitality | 2024 |
| PKL Partners Limited | Professional & scientific | 2013 |
| Plaku Investment Ltd | Real estate | 2024 |
| Plant and Infrastructure Services Limited | Manufacturing | 2013 |
| Plas Britannia Management Company Limited | Other services | 2006 |
| Plas Caravan Park Limited | Hospitality | 2016 |
| Plastok Separation Systems Limited | Manufacturing | 1986 |
| Platinum Bar Wirral Limited | Hospitality | 2019 |
| Platinum MC Ltd | Professional & scientific | 2026 |
| Platinum Nightliners Ltd | Transport & logistics | 2024 |
| Platinum Talent Ltd | Arts & recreation | 2021 |
| Platinum Wine Bar Limited | Hospitality | 2020 |
| Play Street Ltd | Health & social care | 2025 |
| Play Trade Direct Ltd | Construction | 2019 |
| Pleasant View Properties Ltd | Real estate | 2022 |
| Plumb-Join Builders Ltd | Construction | 2021 |
| Plumbheat Wirral Ltd | Construction | 2022 |
| Plymyard Development Ltd | Construction | 2023 |
| PM Estimating Solutions Limited | Professional & scientific | 2023 |
| PMB Property NW Ltd | Real estate | 2025 |
| PMG (101) Limited | Hospitality | 2019 |
| Podwala Ltd | Manufacturing | 2023 |
| POG Building Contractors Limited | Construction | 2018 |
| Polaris Media Management Limited | Professional & scientific | 2011 |
| Pool Street Holdings Limited | Real estate | 2020 |
| Popcat's Music Time Limited | Education | 2015 |
| Popstead Properties Limited | Real estate | 2016 |
| Potens Contract Services Limited | Health & social care | 2002 |
| Pouch Ninja Limited | Wholesale & retail | 2024 |
| Powell Demolition (NW) Limited | Construction | 2016 |
| Powerservice Management UK Ltd | Professional & scientific | 2025 |
| PPL Residential Limited | Real estate | 2018 |
| Prabhasha Property Holdings Ltd | Real estate | 2024 |
| Premedy Ltd | Information & communication | 2025 |
| Premier Aluminium Solutions Ltd | Manufacturing | 2021 |
| Premier Payrollcentre Limited | Professional & scientific | 2005 |
| Premier Playzone Limited | Other services | 2010 |
| Prenton Bookkeeping Ltd | Professional & scientific | 2022 |
| Prenton Court Limited | Real estate | 2020 |
| Prenton Golf Club Limited | Arts & recreation | 1946 |
| Prenton High School for Girls | Education | 2011 |
| Prenton Lodge Management Co Limited | Hospitality | 1982 |
| Prenton Roofing Company Ltd | Construction | 2020 |
| Prenton Rufc Enterprises Ltd | Arts & recreation | 2021 |
| Prenton Rufc Limited | Arts & recreation | 2012 |
| Pressure Care Systems Limited | Wholesale & retail | 2007 |
| Prestige (North West) Limited | Real estate | 2019 |
| Prestige Aura Ltd | Professional & scientific | 2023 |
| Prestige Auto Trim Products Ltd. | Manufacturing | 1987 |
| Prestige Developments North West Ltd | Construction | 2016 |
| Prestige Holiday Escapes Limited | Hospitality | 2023 |
| Prestige Structural Ltd | Manufacturing | 2020 |
| Prestige Transport and Haulage Limited | Transport & logistics | 2020 |
| Prestigious Living (Ravensworth) Limited | Professional & scientific | 2005 |
| Preston Consultancy Limited | Real estate | 1998 |
| Price Street Sports Lounge Ltd | Arts & recreation | 2020 |
| Pricey Limited | Information & communication | 2009 |
| Prima Board Converters Limited | Manufacturing | 2002 |
| Prime Bath Studio Ltd | Construction | 2026 |
| Prime Construction U.K Ltd | Construction | 2026 |
| Prime Document Solutions Ltd | Information & communication | 2018 |