| Peak Power House Ltd | Arts & recreation | 2024 |
| Penbot Ltd | Information & communication | 2025 |
| Penmachno Consulting Ltd | Information & communication | 2024 |
| Penny Lane Surgery Limited | Real estate | 2021 |
| People Perform Ltd | Professional & scientific | 2025 |
| Pepino Transport Ltd | Transport & logistics | 2016 |
| Perfect Claims Management Limited | Administrative & support | 2011 |
| Perfect Flavours UK Ltd | Manufacturing | 2021 |
| Perfect Home Investments Ltd | Real estate | 2022 |
| Perfect Platter Liverpool Ltd | Other services | 2022 |
| Person Centred Housing | Hospitality | 2002 |
| Personal Bookkeeping Services Ltd | Professional & scientific | 2024 |
| Personalised Awards Limited | Wholesale & retail | 2021 |
| Perum Limited | Administrative & support | 2008 |
| Perun 59 Ltd | Transport & logistics | 2018 |
| Pet Taxi Transport Ltd | Other services | 2023 |
| Peter Crosby Landscape Limited | Administrative & support | 2001 |
| Peter Moriarty Accountancy Ltd | Professional & scientific | 2019 |
| Peter SPY Properties Ltd | Households | 2025 |
| PETROV2021 Limited | Construction | 2021 |
| PFW 62SPORTS.ED Limited | Arts & recreation | 2010 |
| Pgst Properties Ltd | Real estate | 2019 |
| Phelcon Properties Ltd | Real estate | 2024 |
| Pheonix Pubs Ltd | Other services | 2018 |
| Phoenix Community Cafe Limited | Hospitality | 2025 |
| Phoenix Education Reports & Services Ltd | Education | 2012 |
| Phoenix Facilities Management Limited | Hospitality | 2010 |
| Phoenix Track Ltd | Wholesale & retail | 2023 |
| Piccadilly Marketing Limited | Wholesale & retail | 2017 |
| Piclif Group Ltd | Construction | 2022 |
| Piecycle Ltd | Wholesale & retail | 2020 |
| Piggy Small Ltd | Hospitality | 2026 |
| Pink Clover Ltd | Transport & logistics | 2024 |
| Pinnington Plumbing Supplies Ltd | Wholesale & retail | 2020 |
| Pioneer Balmoral Finance Limited | Financial services | 2023 |
| Pioneer Balmoral Midco Limited | Financial services | 2023 |
| Pioneer Balmoral UK Limited | Financial services | 2023 |
| Pips Cheshire Ltd | Construction | 2024 |
| PIRIN65 Ltd | Other services | 2018 |
| PIT Stop Tyres Widnes Ltd | Wholesale & retail | 2026 |
| Pitfin Limited | Construction | 2014 |
| Pixiedustproperties Ltd | Households | 2025 |
| Pizza Casa Ltd | Hospitality | 2019 |
| PJ Stokes Ltd | Administrative & support | 2011 |
| PJS Elida Logistics Ltd | Transport & logistics | 2026 |
| PJS Entertainments Limited | Hospitality | 2021 |
| PJS Spec Developments Limited | Real estate | 2020 |
| PJS Timber Constructions Ltd | Construction | 2013 |
| PK Playgrounds and Balls Limited | Manufacturing | 2025 |
| Pknl Properties Limited | Real estate | 2024 |
| PL Electrical Installations Limited | Construction | 2010 |
| Plastics N'Sourcing Limited | Manufacturing | 2003 |
| Plaza Medical Limited | Financial services | 2018 |
| PLM Fabrications and Installations Ltd | Construction | 2024 |
| Pltnm Properties Limited | Real estate | 2023 |
| Pluto Housing Ltd | Real estate | 2025 |
| Point Accounting Ltd. | Professional & scientific | 2016 |
| Point Paye Services Limited | Administrative & support | 2025 |
| Polyblend UK Limited | Manufacturing | 2009 |
| Polyline Group Limited | Other services | 2011 |
| Porrit Care Village Ltd | Construction | 2024 |
| Pose & Party Ltd | Professional & scientific | 2023 |
| Positive Future Consultancy Limited | Health & social care | 2014 |
| Positive Mindset & Wellbeing at Senshi Ltd | Arts & recreation | 2024 |
| POW POW Properties Ltd | Real estate | 2016 |
| Power FIX Limited | Construction | 2016 |
| POWERCLEAN850 Limited | Administrative & support | 2025 |
| Powys River Pods Limited | Real estate | 2024 |
| PR Pipeline Services Limited | Professional & scientific | 2024 |
| Praxis Leadership Group Ltd | Professional & scientific | 2026 |
| Precise Fabrications Ltd | Manufacturing | 2014 |
| Precision Product Developments Limited | Professional & scientific | 2016 |
| Precision Project Planning Ltd | Professional & scientific | 2018 |
| Precision Steel Fixing Ltd | Construction | 2026 |
| Preferred Computers and Networks Ltd. | Wholesale & retail | 1994 |
| Premier Blinds (Widnes) Limited | Wholesale & retail | 2017 |
| Premier Build Solutions Limited | Construction | 2025 |
| Premuno Sports Limited | Wholesale & retail | 2019 |
| Prestige Care and Staffing Ltd | Administrative & support | 2025 |
| Prestige Travel North West Ltd | Transport & logistics | 2025 |
| Preston Heyes Ltd | Wholesale & retail | 2023 |
| Price (Widnes) Limited | Real estate | 2006 |
| Prices Trading Ltd | Other services | 2026 |
| Priem Therapies Company Limited | Health & social care | 2007 |
| Prima Business Control Software Limited | Information & communication | 1998 |
| Prime Care (GB) Limited | Health & social care | 2005 |
| Prime Joinery Limited | Construction | 2025 |
| Primefrog Ltd | Transport & logistics | 2026 |
| Printr NW Ltd | Manufacturing | 2025 |
| Prio Trading Ltd | Transport & logistics | 2018 |
| Prioritise Ltd | Information & communication | 2014 |
| Prismal Ltd | Information & communication | 2025 |
| Pristine Blinds & Shutters Ltd | Wholesale & retail | 2020 |
| Pristine Rebar Reinforcement Limited | Construction | 2026 |
| Private and Industrial Cleaning Services Limited | Administrative & support | 2006 |
| Pro-Fix Construction Services Limited | Construction | 2008 |
| Procurement Consulting Ltd | Professional & scientific | 2021 |
| Prodix Solutions Ltd | Information & communication | 2023 |
| Production Partners Limited | Arts & recreation | 1997 |
| Profix Metal Fabrications Limited | Manufacturing | 2023 |