| Picton Hall Estates Management Limited | Households | 2021 |
| Pills and Needles Ltd | Health & social care | 2022 |
| PIN and Poke Ltd | Health & social care | 2023 |
| Pine Chase Consultancy Limited | Professional & scientific | 2013 |
| Pineapple Plumbing & Heating Ltd | Construction | 2022 |
| Piniton Limited | Wholesale & retail | 2015 |
| Pink Elephant Developments Limited | Real estate | 2024 |
| Pink FOX Digital Ltd | Professional & scientific | 2020 |
| Pink Spaghetti Franchising Limited | Administrative & support | 2012 |
| Pippas Properties Limited | Real estate | 2025 |
| Pirl Dating Ltd | Information & communication | 2025 |
| Piste Technology Ltd | Manufacturing | 2024 |
| Pitch Plus Ltd | Education | 2026 |
| Pitchflow Sports Limited | Wholesale & retail | 2026 |
| PJR Propco Ltd | Real estate | 2020 |
| PK Euro Energy Solutions Limited | Construction | 2017 |
| PKM Design Limited | Professional & scientific | 2018 |
| Plain OR Printed Limited | Professional & scientific | 2009 |
| Plan Build Contract Limited | Wholesale & retail | 2019 |
| Plancity Ltd | Wholesale & retail | 2019 |
| Planet Stanton Properties Limited | Real estate | 2023 |
| Planks Flooring Ltd | Construction | 2021 |
| Planning Angel Ltd | Professional & scientific | 2020 |
| Planning Unlocked Ltd | Professional & scientific | 2026 |
| Plant House Cheshire Limited | Wholesale & retail | 2022 |
| Plastic Formers Management Limited | Real estate | 1990 |
| Platform Consultancy Services Ltd | Information & communication | 2002 |
| Platinum Plastering Contractors Ltd | Construction | 2021 |
| Plentiful Shop Limited | Wholesale & retail | 2019 |
| Plexus ERP Consulting Ltd | Information & communication | 2025 |
| PLJ Property Ltd | Real estate | 2025 |
| Plough Inn (Whitegate) Ltd | Hospitality | 2026 |
| Plumb Estates Ltd | Real estate | 2019 |
| Plumbing & Heating Solutions (NW) Ltd | Construction | 2024 |
| Plush World Ltd | Wholesale & retail | 2023 |
| Plutus Corporate Finance Limited | Professional & scientific | 2008 |
| Plutus Corporate Finance LLP | | 2005 |
| Plutus Corporate Funding Limited | Professional & scientific | 2019 |
| PM10 Ltd | Information & communication | 2006 |
| PMG Cakes Chester Ltd | Wholesale & retail | 2025 |
| PMG Cakes Wrexham Ltd | Wholesale & retail | 2024 |
| PMG Property Consultancy Limited | Real estate | 2016 |
| PMG Property Investments Ltd | Real estate | 2013 |
| PN Nail Express Ltd | Other services | 2025 |
| PNE Water Services Ltd | Water & waste | 2017 |
| PO101 Ltd | Transport & logistics | 2025 |
| Poco Property Ltd | Real estate | 2023 |
| POD Partners Limited | Information & communication | 2025 |
| Point Management Consulting Limited | Professional & scientific | 2021 |
| POL Property Limited | Real estate | 2015 |
| Pollard (UK) Limited | Construction | 2014 |
| Pollard Contracts Limited | Construction | 2016 |
| Pollard Egerton Limited | Construction | 2022 |
| Pollard Holdings Limited | Professional & scientific | 2021 |
| Pollard Landscapes Limited | Administrative & support | 2014 |
| Pollard ST. Ives Ltd | Construction | 2024 |
| Polpo Trading Ltd | Professional & scientific | 2018 |
| Pontem Technology Ltd | Information & communication | 2025 |
| Poole Alcock LLP | | 2004 |
| Pools and Spas Limited | Real estate | 2018 |
| Poptoptents Ltd | Wholesale & retail | 2025 |
| Portbridge Limited | Wholesale & retail | 1986 |
| Positive Hearing LLP | | 2015 |
| Positive Solution Services Ltd | Professional & scientific | 2023 |
| Posn Limited | Transport & logistics | 2023 |
| Postmark Club Limited(The) | Other services | 1980 |
| Postscripter Limited | Professional & scientific | 2016 |
| Potentia Engineering Solutions Ltd | Professional & scientific | 2024 |
| Povah Homes Ltd | Administrative & support | 2012 |
| Powerdesign MEP Consultants Limited | Professional & scientific | 2021 |
| Preedy Healthcare Limited | Health & social care | 2021 |
| Premier Dog Care Ltd | Other services | 2021 |
| Premier Dog Supplies Ltd | Wholesale & retail | 2025 |
| Premier Equine Construction Ltd | Extraterritorial | 2019 |
| Premier Recreation Limited | Construction | 2020 |
| Preseed NOW Limited | Information & communication | 2023 |
| Prestene Travel Limited | Transport & logistics | 2008 |
| Prestene Travel Northwich Limited | Transport & logistics | 2025 |
| Prevex Limited | Education | 2018 |
| Priceless Auto Services Ltd | Wholesale & retail | 2015 |
| Primary Building Solutions Ltd | Construction | 2011 |
| Primary Tutoring Limited | Education | 2012 |
| Prime Online Ltd | Wholesale & retail | 2018 |
| Primero Management Services Limited | Administrative & support | 2018 |
| Primrose Holmes Limited | Real estate | 2025 |
| Principia Law Limited | Professional & scientific | 2012 |
| Print IT (North West) Limited | Professional & scientific | 2008 |
| Print-A-Plate (NW) Limited | Other services | 2022 |
| Print-A-Plate Limited | Other services | 2021 |
| Printwise Group Ltd | Manufacturing | 2025 |
| Priory Car & Van Hire Limited | Other services | 1999 |
| Prism - the Development Consultancy Limited | Professional & scientific | 2003 |
| Prism Path Ltd | Professional & scientific | 2022 |
| Prismo-Pg Limited | Information & communication | 2024 |
| Pristine Oven Clean Cheshire Ltd | Administrative & support | 2025 |
| Prize Party Competitions Ltd | Wholesale & retail | 2024 |
| Pro - Clean Cleaning Solutions Limited | Administrative & support | 2014 |
| Pro Logical Ltd | Professional & scientific | 2004 |
| Probond Ltd | Construction | 2022 |
| Probyn Limited | Professional & scientific | 2004 |