| Papyrus Prevention of Young Suicide | Health & social care | 1998 |
| Par-Fox Products Ltd | Manufacturing | 2000 |
| Paradigm Progression Ltd | Professional & scientific | 2021 |
| Paradigm Residential Solutions Limited | Professional & scientific | 2011 |
| Paradine Electricals Ltd | Construction | 2025 |
| Paradym DDM Ltd | Administrative & support | 2026 |
| Paragon Telecoms Limited | Information & communication | 2013 |
| Parallaxis Technologies Ltd | Information & communication | 2023 |
| Parasol Limited | Professional & scientific | 2000 |
| Parasol Management Limited | Professional & scientific | 2005 |
| Parekh IT Solutions Limited | Administrative & support | 2014 |
| Parfold Projects Ltd | Other services | 2019 |
| Parish SR Associates Limited | Administrative & support | 2023 |
| Park Crescent Appleton Residents Association Limited | Households | 1989 |
| Park Electrical & Property Solutions Ltd | Construction | 2025 |
| Park Energy Law UK Ltd | Administrative & support | 2014 |
| Park Holland Mechanical Services Limited | Manufacturing | 2009 |
| Park Hose & Gaskets Limited | Manufacturing | 2002 |
| Park Mill Capital Limited | Professional & scientific | 2025 |
| Park Right Solutions Limited | Administrative & support | 2015 |
| Park View Evergreen Group Limited | Real estate | 2025 |
| Park Walk Property Limited | Real estate | 2021 |
| Parker Consultants Ltd | Professional & scientific | 2017 |
| Parker PLM Limited | Administrative & support | 2025 |
| Parker Street Limited | Professional & scientific | 2013 |
| Parkfield Property Investments Limited | Real estate | 2025 |
| Parkhouse Engineering Services Limited | Professional & scientific | 2016 |
| Parkhouse Property Shenanigans Limited | Real estate | 2026 |
| Parkside Regeneration LLP | | 2013 |
| Parkway Financial Services Limited | Financial services | 2019 |
| Parmur Project Solutions Ltd | Professional & scientific | 2017 |
| Parodyoke Entertainment Limited | Arts & recreation | 2025 |
| Parrtech Limited | Administrative & support | 2008 |
| Parry Quantity Surveying Limited | Administrative & support | 2025 |
| Parseiq Ltd | Information & communication | 2025 |
| Parson Construction Management Limited | Construction | 2015 |
| Part Four Limited | Information & communication | 2004 |
| Partner in the Loop Ltd | Information & communication | 2009 |
| Partridge Precision Limited | Administrative & support | 2010 |
| Parvs HT Ltd | Administrative & support | 2019 |
| PAS (NW) Limited | Construction | 2009 |
| Pasana Construction Services Limited | Professional & scientific | 2020 |
| Pasilda Ltd | Hospitality | 2024 |
| Pass and Shoot Football Academy Limited | Arts & recreation | 2016 |
| Passenger Consultancy Ltd | Other services | 2020 |
| Pasta 2 Go Ltd | Hospitality | 2022 |
| Pasta Master Limited | Wholesale & retail | 2025 |
| Pasta POT Limited | Manufacturing | 2019 |
| Paston Road Properties Limited | Real estate | 2017 |
| Paterson Contracting Services Limited | Construction | 2018 |
| Pathak Radiology Limited | Health & social care | 2025 |
| Pathright Limited | Professional & scientific | 1993 |
| Patricia S Flowers Limited | Wholesale & retail | 2022 |
| Patrick James Consulting Ltd | Professional & scientific | 2025 |
| Patrick Property Management Ltd | Real estate | 2019 |
| Patron Hallow Limited | Professional & scientific | 2013 |
| Patten Arms Hotel Ltd | Hospitality | 2024 |
| Pattern West Advisory Limited | Professional & scientific | 2025 |
| Patternwise Limited | Professional & scientific | 2024 |
| Pattison Installations Limited | Administrative & support | 2025 |
| Patton Alexander Limited | Professional & scientific | 2025 |
| Paul Barker Projects Ltd | Construction | 2020 |
| Paul Bayliss Mechanical Services Limited | Other services | 2013 |
| Paul Breen Actuarial Contracting Limited | Professional & scientific | 2017 |
| Paul Caie Design Limited | Administrative & support | 2012 |
| Paul Carr Design Ltd | Professional & scientific | 2018 |
| Paul Connor Training Ltd | Education | 2015 |
| Paul Deakin Accountancy Ltd | Professional & scientific | 2024 |
| Paul Dennis Ltd | Wholesale & retail | 2016 |
| Paul Duignan Engineering Limited | Professional & scientific | 2016 |
| Paul E Lawson Ltd | Construction | 2022 |
| Paul Hart Cars (Warrington) Limited | Wholesale & retail | 2006 |
| Paul Hesketh Ltd | Wholesale & retail | 2007 |
| Paul Hewitt Electrical Limited | Professional & scientific | 2016 |
| Paul Ireland Solicitors Limited | Extraterritorial | 2013 |
| Paul Kemp Hairdressing Limited | Other services | 2011 |
| Paul Kemp Property Management Ltd | Real estate | 2025 |
| Paul Knapman Procurement Ltd | Professional & scientific | 2014 |
| Paul Langley Limited | Construction | 2013 |
| Paul Little Subcontracting Services Limited | Administrative & support | 2023 |
| Paul Metherell Limited | Administrative & support | 2010 |
| Paul NEV Consulting Ltd | Administrative & support | 2026 |
| Paul Purcell Properties Ltd | Real estate | 2023 |
| Paul Roche Consulting Limited | Administrative & support | 2023 |
| Paul Ross Creative Design Ltd | Information & communication | 2016 |
| Paul Thompson Engineering Services Limited | Administrative & support | 2014 |
| Paul Wadsworth Consulting Ltd | Information & communication | 2015 |
| Paul White Registered Building Inspector Ltd | Administrative & support | 2024 |
| Paul White Tuition Limited | Administrative & support | 2025 |
| Paul William Education Services Ltd | Administrative & support | 2024 |
| Paul Wood Health Consulting Limited | Professional & scientific | 2011 |
| Paulagraphy Photography and Post Production Limited | Professional & scientific | 2017 |
| Pauline Smith ANP Ltd | Health & social care | 2021 |
| Pauls Joinery Limited | Construction | 2025 |
| PAV Bathrooms Ltd | Construction | 2025 |
| Paval Trans Ltd | Transport & logistics | 2018 |
| Pavaloae Ltd | Transport & logistics | 2018 |
| Pawel ZET Properties Ltd | Real estate | 2025 |
| Pawfect Doggy Daycare Ltd | Other services | 2024 |
| Pawfect Pets Global Limited | Transport & logistics | 2018 |