| Pride & Joy (NE) Limited | Wholesale & retail | 2014 |
| Prime Development Solutions Ltd | Construction | 2022 |
| Prime Edge Global Trading Ltd | Wholesale & retail | 2025 |
| Prime Elite Wellness Ltd | Health & social care | 2024 |
| Prime Estate Investments Ltd | Real estate | 2023 |
| Prime Label Ltd | Wholesale & retail | 2022 |
| Primecart Hub Limited | Wholesale & retail | 2025 |
| Primehaven Pro UK Ltd | Wholesale & retail | 2025 |
| Primeline Recruitment Ltd | Administrative & support | 2023 |
| Primex International (PIL) Ltd | Administrative & support | 2025 |
| Primexislogistics Limited | Transport & logistics | 2026 |
| Primrosehill Sports CIC | Health & social care | 2026 |
| Primus-Uk Limited | Information & communication | 2013 |
| Principal Safety Solutions Ltd | Public administration | 2019 |
| Principal Sounds Ltd | Other services | 2015 |
| Principium Property Services Limited | Real estate | 2020 |
| Print & Design Middlesbrough Ltd | Manufacturing | 2024 |
| Print ANY Print Limited | Manufacturing | 2025 |
| Prisnard Limited | Hospitality | 2022 |
| Pristine Autos & Cleaning Services Ltd | Administrative & support | 2025 |
| Pristine Clean (North East) Limited | Administrative & support | 2017 |
| Pro Investment Lettings Ltd | Real estate | 2025 |
| Pro MAC Auto's Ltd | Professional & scientific | 2011 |
| Pro Scaffolding Specialist Ltd | Construction | 2021 |
| Pro Vibora Padel Club Ltd | Arts & recreation | 2024 |
| Pro-Beauty Academy Limited | Other services | 2025 |
| Pro-Tech Data Solutions Ltd | Information & communication | 2023 |
| Process Group ECI Ltd | Professional & scientific | 2018 |
| Procoat Solutions & Industrial Services Ltd | Construction | 2024 |
| Procureland Ltd | Professional & scientific | 2021 |
| Prodigiez Limited | Information & communication | 2025 |
| Prodrive (Joinery & Shop Fitting) Limited | Construction | 2002 |
| Prodrive Property Maintenance Limited | Construction | 2001 |
| Profactor Limited | Construction | 2023 |
| Professional Development Solutions Ltd | Professional & scientific | 2015 |
| Professional House Share Limited | Real estate | 2019 |
| Professional Safety Consultants Limited | Public administration | 2024 |
| Professional Seller Ltd | Other services | 2025 |
| Professor RAY Bull & Associates Limited | Professional & scientific | 2012 |
| Profile Analysis Limited | Information & communication | 1991 |
| Proflow Pipeline Products Limited | Wholesale & retail | 2023 |
| Proforma Research Ltd | Arts & recreation | 2019 |
| Profound Software Services Limited | Information & communication | 2024 |
| Progression Property (North East) Ltd | Other services | 2021 |
| Progressive Installations Limited | Information & communication | 2007 |
| Progressive RIG Tech Limited | Administrative & support | 2018 |
| Proinvestment TS Ltd | Real estate | 2025 |
| Project Bond Holdco Limited | Professional & scientific | 2013 |
| Project Outfitters Ltd | Construction | 2019 |
| Projex Development Services Limited | Construction | 2021 |
| Projex Property & Letting Ltd | Real estate | 2023 |
| Projointing Limited | Construction | 2021 |
| Prolaser Clinic Ltd | Health & social care | 2019 |
| Proline Resin Driveways Limited | Construction | 2024 |
| Propel Properties Limited | Hospitality | 2015 |
| Propertees LLP | | 2023 |
| Properties 4 Cash Limited | Real estate | 2020 |
| Properties and Construction Limited | Extraterritorial | 2023 |
| Property & Development Services Ltd | Professional & scientific | 2002 |
| Property and Land Investments (NE) Ltd | Real estate | 2023 |
| Property BEE (NE) Ltd | Construction | 2023 |
| Property Company Management Ltd | Real estate | 2020 |
| Property Express Sales Ltd | Real estate | 2012 |
| Property FIX Specialists Ltd | Construction | 2019 |
| Property Lettings Ltd | Hospitality | 2015 |
| Property People NE Ltd | Construction | 2025 |
| Propertytopia Ltd | Wholesale & retail | 2025 |
| Propfolio Limited | Real estate | 2010 |
| Prosalus Safety Consultants Ltd | Professional & scientific | 2026 |
| Prosite Hire and Sales UK Ltd | Administrative & support | 2025 |
| Proskills Training Northern Ltd | Education | 2024 |
| Prospect Hill Apartments Ltd | Real estate | 2020 |
| Prospect House Investments Ltd | Real estate | 2016 |
| Prospect Place Children's Homes LLP | | 2005 |
| Prospect Property Management Ltd | Households | 2019 |
| Prospector Pro Limited | Information & communication | 2022 |
| Protein Power Limited | Wholesale & retail | 2017 |
| Proteus Pilotage Ltd | Agriculture & fishing | 2013 |
| Protrad Specialist Systems Ltd | Construction | 2014 |
| Proudly Bookish Ltd | Wholesale & retail | 2024 |
| Provision Education Ltd | Education | 2025 |
| Prowax Ltd | Manufacturing | 2024 |
| PRT Fibre Ltd | Construction | 2023 |
| Prudence Polish Ltd | Administrative & support | 2025 |
| PSH Consultancy (Goldsborough) Limited | Professional & scientific | 2019 |
| PSM Safety Limited | Public administration | 2025 |
| PSP Flooring Limited | Administrative & support | 2004 |
| PT Lifting Services Limited | Professional & scientific | 2019 |
| PT Safety Consultants Ltd | Professional & scientific | 2018 |
| PTH (Moulton) Limited | Construction | 2025 |
| PTI Services Ltd | Construction | 2026 |
| Publicity Seekers Limited | Professional & scientific | 2006 |
| Puddlers Properties Ltd | Real estate | 2022 |
| Puffin Subsea Services Ltd | Professional & scientific | 2025 |
| Puggos Properties Ltd | Real estate | 2026 |
| Pulla Freeholds Limited | Administrative & support | 2013 |
| Pulse LTV Limited | Information & communication | 2026 |
| Pulse MX & Ingear Fitness Limited | Wholesale & retail | 2012 |
| Punjab Dera/Hamzas Limited | Hospitality | 2026 |
| Punk Panther Endurance Events Limited | Arts & recreation | 2021 |