| Primrose House Nursery Limited | Education | 2005 |
| Princeofgod Afro-Caribbean Supermarket Ltd | Wholesale & retail | 2025 |
| Princes Court Management Company (ST. Annes) Limited | Households | 1980 |
| Print I.T.Online Limited | Administrative & support | 2019 |
| Printacom Ltd | Manufacturing | 2010 |
| Printers UK Property Ltd | Financial services | 2014 |
| Priority Booker Ltd | Administrative & support | 2018 |
| Priority Property Group Ltd | Health & social care | 2025 |
| Priority Property Holdings Limited | Other services | 2020 |
| Priory Kitchen Studio Limited | Wholesale & retail | 2006 |
| Priory Marine Consultants Ltd | Professional & scientific | 2023 |
| Pristine Security Services Limited | Administrative & support | 2021 |
| Pritchard Pubs Holdings Limited | Financial services | 2024 |
| Privilege UK Limited | Wholesale & retail | 2009 |
| Pro Building and Property Maintenance Ltd | Construction | 2025 |
| Pro Main 24/7 Limited | Administrative & support | 2009 |
| Pro Plumbing Solutions Limited | Construction | 2025 |
| Pro Service & Consulting Ltd | Wholesale & retail | 2023 |
| Pro System (N/W) Limited | Administrative & support | 2016 |
| Pro-Deck Scaffolding Solutions (North West) Limited | Construction | 2014 |
| Pro-Form Construction Limited | Construction | 2025 |
| Pro-Line Plastering Ltd | Construction | 2015 |
| Pro-Tow Ltd | Manufacturing | 2024 |
| Proactive Properties NW Ltd | Real estate | 2025 |
| Probate Matters Ltd | Extraterritorial | 2014 |
| Probia Engineering Solutions Ltd | Professional & scientific | 2021 |
| Proconsular Ltd | Information & communication | 2006 |
| Procurement Matters Limited | Professional & scientific | 2021 |
| Production Properties Limited | Real estate | 2022 |
| Proebikesnw Ltd | Wholesale & retail | 2025 |
| Professional Fire Safety Services Ltd | Professional & scientific | 2019 |
| Programmable Networks Ltd | Information & communication | 2019 |
| Progress Care Consulting Ltd | Other services | 2025 |
| Progress Concepts Limited | Information & communication | 2016 |
| Progress Motor Transport Ltd | Extraterritorial | 2012 |
| Progress Nominees Limited | Financial services | 1981 |
| Progressive Enhancement Limited | Information & communication | 2014 |
| Project & BID Services Limited | Professional & scientific | 2016 |
| Project 78 Limited | Real estate | 2009 |
| Project Airsoft Ltd | Wholesale & retail | 2021 |
| Project Assist Limited | Construction | 2024 |
| Project Building and Paving Ltd | Construction | 2024 |
| Project Ellem Limited | Extraterritorial | 1983 |
| Project Lafite Bidco Limited | Financial services | 2020 |
| Project Lafite Topco Limited | Financial services | 2020 |
| Project Plastering and Rendering Ltd | Construction | 2020 |
| Project Properties NW Ltd | Real estate | 2025 |
| Project Sure Limited | Other services | 2017 |
| Project Timelines Ltd | Information & communication | 2014 |
| Projinvestco Limited | Real estate | 2019 |
| Projovi Wealth Consulting Ltd | Information & communication | 2014 |
| Prolife Medics Ltd | Public administration | 2022 |
| Promac Leisure Ltd | Hospitality | 2004 |
| Promnew Limited | Real estate | 1996 |
| Propec Hotels Ltd | Hospitality | 2025 |
| Proper Lets Limited | Real estate | 2015 |
| Propertuu Limited | Other services | 2017 |
| Property Based Assets Limited | Other services | 2017 |
| Property BUD Ltd | Extraterritorial | 2020 |
| Property Edge (North West) Limited | Construction | 2003 |
| Property Investco Developments Ltd | Construction | 2019 |
| Property Investco Limited | Real estate | 2011 |
| Property Investment Network (Fylde) Limited | Real estate | 2018 |
| Property Investment Network Blackpool Limited | Real estate | 2015 |
| Property Investment Network Limited | Real estate | 2013 |
| Prospect Development (NW) Ltd | Construction | 2007 |
| Prospect Management Services (NW) Limited | Households | 2025 |
| Prosperous Co. Limited | Hospitality | 2019 |
| Prosport Management (NW) Limited | Arts & recreation | 2020 |
| Protech North Ltd | Construction | 2025 |
| Protect Plus Limited | Professional & scientific | 2016 |
| Protego Life Limited | Manufacturing | 2025 |
| Provincewide Surveyors Ltd | Wholesale & retail | 2025 |
| Provisio Care Force Ltd | Administrative & support | 2022 |
| Provisio Care Group Limited | Health & social care | 2021 |
| Provisio Real Estate Limited | Real estate | 2023 |
| Prozero Cooling Limited | Manufacturing | 2023 |
| Prusik Limited | Mining & quarrying | 2021 |
| PS10 Consulting Ltd | Information & communication | 2017 |
| PSL Projects Limited | Administrative & support | 2017 |
| PSS General Ltd | Information & communication | 2020 |
| PT Builders & Construction Ltd | Construction | 2020 |
| PTG Associates Ltd | Professional & scientific | 2013 |
| Puccini Bakery & Sandwiches Ltd | Hospitality | 2026 |
| Pulcinellas Cleveleys Limited | Hospitality | 2019 |
| Pulfer Contractors Limited | Construction | 2014 |
| Punch Packs Ltd | Wholesale & retail | 2026 |
| Punitham Limited | Wholesale & retail | 2024 |
| Pura Natural Products Ltd | Wholesale & retail | 2015 |
| Purchase AV Ltd | Wholesale & retail | 1994 |
| Purchasing Development Group Limited | Professional & scientific | 1995 |
| Pure Builders Ltd | Construction | 2019 |
| Pure Impact Gym Ltd | Arts & recreation | 2025 |
| Pure Thermal Ltd | Other services | 2016 |
| Pure Thermal Solutions Ltd | Construction | 2022 |
| Pureloomhome Ltd | Wholesale & retail | 2026 |
| Puritie Limited | Administrative & support | 2016 |
| Purple Intelligence Limited | Administrative & support | 2025 |
| Purple Parasol Animation Limited | Information & communication | 2019 |
| Purple Reign DKD Ltd | Information & communication | 2025 |