| Pars Halal Foods (UK) Ltd | Wholesale & retail | 2009 |
| Parsons Marshall Psychology Limited | Health & social care | 2014 |
| Particulate Sensors Ltd | Real estate | 2018 |
| Partridge Hill (Talkin) Management Company Limited | Households | 2022 |
| Party PAD Newcastle Ltd | Arts & recreation | 2021 |
| Partypods Ltd | Hospitality | 2010 |
| Parvin Datum Ltd | Information & communication | 2025 |
| PAS Electrical Services Ltd | Construction | 2017 |
| Pasha Lounge NCL Ltd | Wholesale & retail | 2026 |
| Pass IT NOW Limited | Education | 2022 |
| Passpro Driving Ltd | Education | 2024 |
| Pastle Properties (Cumbria) Ltd | Real estate | 2015 |
| Patchwork Production House Ltd | Information & communication | 2025 |
| Patchwork Project | Education | 2013 |
| PATCHWORK2 Limited | Education | 2019 |
| Patera Investments Limited | Real estate | 2019 |
| PATH2SOLUTIONS Ltd | Education | 2022 |
| Pathfinder Driving Skill Ltd | Education | 2018 |
| Pathfinder Specialists Ltd | Information & communication | 2026 |
| Pathiel Ltd | Professional & scientific | 2014 |
| Pathtree Grounds Maintenance Ltd | Administrative & support | 2009 |
| Patogh Ltd | Hospitality | 2021 |
| Paton Properties Ltd | Construction | 2018 |
| Patreen Ltd | Other services | 2020 |
| Patrick Forster Barbering Ltd | Other services | 2025 |
| Patrick Lishman Building and Maintenance Ltd | Construction | 2026 |
| Pattern Shop LLP | | 2021 |
| Pattersons Properties Ltd | Real estate | 2023 |
| Patterson’S Renewable Energy Ltd | Construction | 2023 |
| Pattinson Enterprises Limited | Arts & recreation | 2020 |
| Pattison Group Ltd. | Wholesale & retail | 2018 |
| Paul AUN Ltd | Health & social care | 2024 |
| Paul Charlton Consulting Limited | Professional & scientific | 2025 |
| Paul Curry Limited | Transport & logistics | 2016 |
| Paul Dyson Limited | Administrative & support | 2002 |
| Paul Glaholm & Co. Limited | Professional & scientific | 2002 |
| Paul Graham Consultancy Ltd | Construction | 2023 |
| Paul Hamilton Consultancy Limited | Other services | 2018 |
| Paul Howd Electrical Engineers Ltd | Construction | 2025 |
| Paul Howells Joinery-Carpentry Ltd | Construction | 2003 |
| Paul James (North East) Limited | Administrative & support | 2011 |
| Paul Lytton Ltd | Arts & recreation | 2025 |
| Paul Taylor Electricals Ltd | Construction | 2014 |
| Paul Taylor Sound and Lighting Ltd | Arts & recreation | 2014 |
| Pauls Property Investment Limited | Real estate | 2000 |
| Pavilion Exhibition Services Ltd | Other services | 2024 |
| Pavilion Mews (Jesmond) Maintenance Limited | Real estate | 1986 |
| Pavilion North East Limited | Real estate | 2017 |
| Pavz Limited | Professional & scientific | 2019 |
| Paws of Ponteland Limited | Other services | 2026 |
| Pawsuit of Happiness Limited | Other services | 2017 |
| Pawtastic PAW Ltd | Other services | 2022 |
| PAY Less for Hire Ltd | Real estate | 2015 |
| PAY Less for Work Space Limited | Real estate | 2003 |
| Payapps.Com (UK) Ltd | Information & communication | 2015 |
| Payceler Limited | Information & communication | 2021 |
| Payment ID Limited | Financial services | 2026 |
| Paypulse Ltd | Information & communication | 2023 |
| Payroll Simple Limited | Professional & scientific | 2016 |
| Payroll Software & Services Group Limited | Financial services | 2019 |
| Payroll Software & Services Group Midco Limited | Financial services | 2019 |
| Payroll Software & Services Group Topco Limited | Financial services | 2019 |
| Payroll-Platform Limited | Administrative & support | 2023 |
| PB Industrial Solutions Ltd | Professional & scientific | 2014 |
| PB Life Limited | Education | 2017 |
| PBD Accounts Ltd | Professional & scientific | 2021 |
| PBD Couriers Ltd | Transport & logistics | 2024 |
| PBI Aqaba Industrial Estate LLP | | 2003 |
| PBL Property Services Ltd | Real estate | 2025 |
| PBT Investment Ltd | Households | 2025 |
| PBU (UK) Ltd | Construction | 2006 |
| PC & Phonetech Limited | Wholesale & retail | 2015 |
| PC Electrical Installations Limited | Construction | 2015 |
| PC Shutters Ltd | Administrative & support | 2021 |
| PC Workshop (Benton) Ltd. | Other services | 2021 |
| PC Workshop Ltd | Other services | 2015 |
| PCB Pest Control Ltd | Administrative & support | 2024 |
| Pccfs Ltd | Financial services | 2021 |
| PCM Railone UK Limited | Manufacturing | 2017 |
| PCO Training & Supplies Ltd | Construction | 2024 |
| PCW Electrical (North East) Limited | Mining & quarrying | 2014 |
| PCW Gaming Ltd | Wholesale & retail | 2022 |
| PD Co Holdings (UK) Limited | Financial services | 2013 |
| PD Investco Limited | Financial services | 2024 |
| PD Parks Limited | Professional & scientific | 2006 |
| PD Specialist Cars Limited | Wholesale & retail | 2024 |
| PDB Marine Limited | Professional & scientific | 2026 |
| PDD Investments Limited | Wholesale & retail | 2017 |
| PDD Properties Limited | Real estate | 2017 |
| PDH Investing Limited | Financial services | 2013 |
| PDL Engineering Services Ltd | Professional & scientific | 2026 |
| PDM GEO Consulting Ltd | Professional & scientific | 2014 |
| Pdmh Holdings Ltd | Financial services | 2019 |
| PDZ (UK) Limited | Financial services | 2013 |
| Peace Crowell UK Office LLP | | 2016 |
| Peach & Clementine Ltd | Energy | 2024 |
| Peach Garden Walkergate Limited | Hospitality | 2008 |
| Peaches Academy Ltd | Other services | 2021 |
| Peacock Capital Management Limited | Real estate | 2021 |
| Peacocks (Surgical and Medical Equipment) Limited | Manufacturing | 1956 |