| Premium Drinks Limited | Manufacturing | 2023 |
| Prep and Deliver Ltd | Hospitality | 2018 |
| Prescotts Ltd | Wholesale & retail | 2009 |
| Prestige City Properties (Sunderland) Limited | Real estate | 1994 |
| Prestige Driveways North East Ltd | Construction | 2025 |
| Prestige EAR Health Ltd | Health & social care | 2026 |
| Prestige Financial Planners Limited | Financial services | 2017 |
| Prestige German Car Sales Ltd | Wholesale & retail | 2021 |
| Prestige Joinery and Home Improvements Ltd | Manufacturing | 2025 |
| Prestige Nationwide Vehicle Transport Ltd | Transport & logistics | 2023 |
| Prestige Performance NE Ltd | Wholesale & retail | 2019 |
| Prestige Valeting (NE) Limited | Wholesale & retail | 2017 |
| Prestige Wind Ltd | Manufacturing | 2025 |
| Prestige Worldwide Group Limited | Professional & scientific | 2020 |
| Prestigeinstallationsne Limited | Construction | 2025 |
| Presto Byker Ltd | Hospitality | 2025 |
| Presto Newcastle Ltd | Hospitality | 2020 |
| Pretty Pooches Ltd | Wholesale & retail | 2019 |
| Price & Co Clinic Limited | Other services | 2026 |
| Priesthood Concept Ltd | Real estate | 2026 |
| Prime Consultation Ltd | Professional & scientific | 2024 |
| Prime Estate Properties Ltd. | Real estate | 2019 |
| Prime Haven Short Stays Limited | Hospitality | 2024 |
| Prime Personnel UK Ltd | Administrative & support | 2024 |
| Prime Pizza Durham Ltd | Hospitality | 2023 |
| Prime Slice Ltd | Hospitality | 2026 |
| Prime Union Holdings Ltd | Real estate | 2026 |
| Primecraft Renovations Ltd | Construction | 2025 |
| Primepasstrading Ltd | Wholesale & retail | 2024 |
| Primepath Ltd | Wholesale & retail | 2025 |
| Primrose Assets Ltd. | Energy | 2018 |
| Primrose Autism Specialists Ltd | Health & social care | 2023 |
| Prince Scientific Consultancy Limited | Professional & scientific | 2026 |
| Principal Skills Limited | Education | 2014 |
| Print Cakes Ltd | Manufacturing | 2018 |
| Print Swift Limited | Information & communication | 2011 |
| Priority Investment Solutions Limited | Information & communication | 2020 |
| Prismt Limited | Financial services | 2026 |
| Priszmmakeover Limited | Other services | 2025 |
| Prita Ltd | Financial services | 2024 |
| Privida Limited | Professional & scientific | 2013 |
| PRM Ltd | Manufacturing | 2022 |
| Pro Coating Solutions Limited | Manufacturing | 2012 |
| Pro Fire Safety and Training Limited | Professional & scientific | 2019 |
| Pro Nails Zone Ltd | Other services | 2009 |
| Pro-Spec (North East) Limited | Extraterritorial | 2012 |
| Pro-Spec Engineering Inspections Limited | Professional & scientific | 2003 |
| Pro-Spec Properties Limited | Real estate | 2012 |
| Proaqua UK Limited | Professional & scientific | 2010 |
| Proclass Healthcare Solutions Limited | Administrative & support | 2022 |
| Procure Smart Ltd | Professional & scientific | 2022 |
| Professional Wealth Management Services Ltd | Administrative & support | 2016 |
| Profixing Limited | Professional & scientific | 2017 |
| Proformance Athlete Development Limited | Education | 2023 |
| Progress Compliance Ltd | Professional & scientific | 2023 |
| Project Byron Newco Limited | Professional & scientific | 2019 |
| Project Comic Universe Limited | Wholesale & retail | 2024 |
| Project Electrical Solutions Limited | Construction | 2014 |
| Project Muninn Ltd | Information & communication | 2025 |
| Prokozak Ltd | Construction | 2025 |
| Prolev Ltd | Real estate | 2023 |
| Promenade Park Properties Limited | Real estate | 2022 |
| Promise & Obatayo Ltd | Real estate | 2026 |
| Propco Commercial Limited | Real estate | 2026 |
| Propco NE Limited | Real estate | 2025 |
| Properties (NE) Limited | Real estate | 2015 |
| Properties Work Limited | Real estate | 2017 |
| Propertunity Lettings & Maintenance Ltd | Real estate | 2025 |
| Property KNG Ltd | Real estate | 2019 |
| Property Solutions NE Limited | Real estate | 2016 |
| Propertycare Paints and Electrics Ltd | Construction | 2026 |
| Propertyletsuk Ltd | Construction | 2026 |
| Prospect Business Support Ltd | Professional & scientific | 2019 |
| Prosperity Waterfront Holdings Limited | Financial services | 2021 |
| Prosperity Wealth Acquisitions Limited | Financial services | 2023 |
| Prosperity Wealth Limited | Financial services | 2010 |
| Protected Vision & Home Improvements Limited | Administrative & support | 2025 |
| Protective Security Consulting Limited | Professional & scientific | 2025 |
| Proudfoot Developments Ltd | Construction | 2024 |
| Prox Ecoclean Limited | Administrative & support | 2025 |
| Prox Ecohome Solutions Ltd | Construction | 2025 |
| Proxsure Ltd | Other services | 2018 |
| Prwn Ltd | Information & communication | 2025 |
| PS-1604 Ltd | Real estate | 2024 |
| PSD Pharma Services Limited | Extraterritorial | 2021 |
| PSL Pipelines Ltd | Manufacturing | 2023 |
| PTS Wind Services Ltd | Manufacturing | 2026 |
| PUB Culture Ltd | Real estate | 2016 |
| PUB G Limited | Hospitality | 2023 |
| Publeisure Ltd | Hospitality | 2023 |
| Puddle-Duck Pooches Limited | Health & social care | 2024 |
| Pulse Controls Limited | Professional & scientific | 2022 |
| Pulse Marketing and Media Group Limited | Professional & scientific | 2026 |
| Punjabi Rasoi Ltd | Hospitality | 2024 |
| Purallia Ltd | Wholesale & retail | 2025 |
| Pure Play Limited | Professional & scientific | 2008 |
| Purewinter Ltd | Wholesale & retail | 2025 |
| Purple Square Legal Limited | Professional & scientific | 2021 |
| Purvis Construction NE Ltd | Construction | 2016 |
| Purvis R&R Ltd | Manufacturing | 2024 |