| Park Hall Macclesfield RTM Company Limited | Households | 2013 |
| Park Lane Court Limited | Households | 1969 |
| Park Lane Homes (NW) Ltd | Real estate | 2024 |
| Park Lane Recruitment Ltd | Administrative & support | 2016 |
| Parker & Booth Joinery Ltd | Construction | 2017 |
| Parlour Bespoke Ltd | Other services | 2024 |
| Paroxite (London) Limited | Extraterritorial | 1953 |
| PART11 Limited | Professional & scientific | 2026 |
| Party Houses Europe Limited | Administrative & support | 2013 |
| Party on the Pitch Ltd | Arts & recreation | 2025 |
| Parvey Investments Ltd | Real estate | 2018 |
| Passerella Limited | Wholesale & retail | 2026 |
| Pasted.Events Limited | Wholesale & retail | 2023 |
| Paterson Medical Communications Ltd | Administrative & support | 2008 |
| Pathfinder Digital Limited | Professional & scientific | 2022 |
| Pathping Network Consultancy Ltd | Information & communication | 2017 |
| Patient-Centred Outcomes Assessments Ltd. | Professional & scientific | 2013 |
| Patim Export Services Limited | Real estate | 1986 |
| Paul Bentley Automotive Limited | Transport & logistics | 2011 |
| Paul Bethell Electrical Limited | Construction | 2003 |
| Paul Boardman Associates Limited | Administrative & support | 2011 |
| Paul Clappison Limited | Financial services | 2014 |
| Paul Dean Stonemasons & Builders Limited | Wholesale & retail | 2004 |
| Paul Gibbons Landscapes Ltd | Administrative & support | 2002 |
| Paul Kidd Livestock Transport Limited | Transport & logistics | 2012 |
| Paul Moffat Limited | Professional & scientific | 2003 |
| Paul Walker Garden Solutions Ltd | Administrative & support | 2007 |
| Pavion Landscapes Ltd | Construction | 2026 |
| Pawfect Groom Room Limited | Other services | 2023 |
| Paws on the Path Ltd | Other services | 2023 |
| PB Clinical Coding Limited | Administrative & support | 2019 |
| PB Skips Limited | Administrative & support | 2009 |
| PC Commercial Property Investments LLP | | 2024 |
| PC Skip Hire Software Ltd | Other services | 2020 |
| PCH Consultancy Services Limited | Professional & scientific | 2007 |
| Pdfpower Limited | Information & communication | 2025 |
| PDH Ltd | Wholesale & retail | 2026 |
| Pdhr Group Ltd | Construction | 2026 |
| PE Passport Limited | Other services | 2014 |
| PEA Green Limited | Professional & scientific | 2014 |
| Peach Furnishings Limited | Construction | 2009 |
| Peach Joinery Limited | Construction | 2004 |
| Peaco (1924) Limited | Extraterritorial | 1992 |
| Peaco Trading Limited | Extraterritorial | 1992 |
| Peak Apprentices Ltd | Education | 2019 |
| Peak Accountancy Training Ltd | Education | 2019 |
| Peak Acoustics Limited | Professional & scientific | 2013 |
| Peak Cashflow Limited | Financial services | 2004 |
| Peak Collections Limited | Information & communication | 1993 |
| Peak Distribution Limited | Professional & scientific | 2001 |
| Peak E-Bikers Ltd | Arts & recreation | 2020 |
| Peak Enterprises Limited | Real estate | 2001 |
| Peak Industries Limited | Extraterritorial | 2003 |
| Peak Medical and Rescue Limited | Health & social care | 2024 |
| Peak Occasions Limited | Hospitality | 2011 |
| Peak People Solutions Ltd | Professional & scientific | 2026 |
| Peak Piping Limited | Professional & scientific | 2023 |
| Peak Project Ventures Electronics Limited | Manufacturing | 1996 |
| Peak Visual Management Ltd | Manufacturing | 2013 |
| Peaks & Away Ltd | Hospitality | 2025 |
| Peaks & Plains Devco Limited | Construction | 2015 |
| Peaks & Plains Tradeco Limited | Energy | 2015 |
| Pear Tree House Trading Limited | Construction | 2025 |
| Pearl Projects Limited | Information & communication | 1993 |
| Pearlm’S Ltd | Public administration | 2022 |
| Pearson Sports Coaching Ltd | Arts & recreation | 2023 |
| Pearwalk Engineering Limited | Manufacturing | 2009 |
| Pearwalk Lettings Limited | Real estate | 2021 |
| Pearwalk Properties Limited | Construction | 1994 |
| Pedley Communications Limited | Professional & scientific | 2024 |
| Pedley House Properties Limited | Real estate | 2002 |
| Peloton Events UK Ltd | Arts & recreation | 2016 |
| Pencil Biosciences Limited | Professional & scientific | 2018 |
| Pendragon International Limited | Hospitality | 2016 |
| Peninsula Residential Security Ltd | Administrative & support | 2013 |
| Penley Property Limited | Real estate | 2017 |
| Penman Mitchell Associates Ltd. | Extraterritorial | 1991 |
| Pennell Kitchen Co Ltd | Wholesale & retail | 2026 |
| Pennine Darlington Magnesia Limited | Extraterritorial | 1978 |
| Pennington & Sons Limited | Agriculture & fishing | 2025 |
| Penny Meadow Dental Care Limited | Health & social care | 2010 |
| People Care Home Limited | Information & communication | 2026 |
| People, Dialogue and Change Ltd | Professional & scientific | 2013 |
| Pepperstreet Limited | Information & communication | 2009 |
| PER4MANCE Cars Limited | Wholesale & retail | 2023 |
| Percival Property Group Ltd | Real estate | 2026 |
| Perigon Education Ltd | Information & communication | 2024 |
| Periwinkle and Clay Ltd | Wholesale & retail | 2022 |
| Permanent Makeup by Jodie Acton Ltd | Other services | 2016 |
| Permission to Dance Ltd | Information & communication | 2025 |
| Permission to Play Limited | Extraterritorial | 2011 |
| Perpetual Energy Limited | Professional & scientific | 2010 |
| Perpetual Services Limited | Professional & scientific | 2016 |
| Personal Psychology Ltd | Health & social care | 2018 |
| Personnel Leasing Limited | Administrative & support | 2017 |
| Peter Garsden Limited | Professional & scientific | 2011 |
| Peter Hattersley & Partners Limited | Financial services | 2000 |
| Peter Higson and Co Limited | Construction | 2012 |
| Peter J Bailey Limited | Professional & scientific | 2010 |
| Peter J Wright Limited | Information & communication | 2015 |