| Pinetree Investments (NE) Limited | Real estate | 2025 |
| Pink Green Trading Limited | Wholesale & retail | 2025 |
| Pink-Collar Gallery C.I.C. | Arts & recreation | 2023 |
| Pinkhaze Ltd | Wholesale & retail | 2026 |
| Pinkiezhair and Accessories Limited | Wholesale & retail | 2024 |
| Pinkys Rentals Limited | Administrative & support | 2025 |
| Pinnacle Clothing Limited | Wholesale & retail | 2025 |
| Pinnacle Marketing Group Limited | Wholesale & retail | 2020 |
| Pipistrelle Property Holdings Ltd | Real estate | 2022 |
| PIT Pony Brew Co Limited | Manufacturing | 2023 |
| Pixal Geeks Ltd | Wholesale & retail | 2025 |
| Pizza Caldo Sunderland Ltd | Hospitality | 2020 |
| Pizza Castle 1 Ltd | Hospitality | 2017 |
| Pizza Cottage Ltd | Hospitality | 2016 |
| Pizza Enjoy Ltd | Hospitality | 2018 |
| Pizza HS Limited | Hospitality | 2013 |
| Pizza Palace New Limited | Hospitality | 2024 |
| Pizza Palace Southwick Ltd | Hospitality | 2025 |
| Pizza Turan Ltd | Hospitality | 2019 |
| Pizza UNO Pelton Plus Ltd | Hospitality | 2024 |
| Pizza, Pasta & Amore Ltd | Hospitality | 2020 |
| PIZZA2126 Ltd | Hospitality | 2026 |
| PIZZA4U2 Ltd | Hospitality | 2024 |
| Pizzeria Martin Ltd | Hospitality | 2024 |
| PJ Olbap Ltd | Construction | 2019 |
| Pj's Soft Strip & Cleaning (NE) Ltd | Construction | 2016 |
| PJM Food Supplies Ltd | Wholesale & retail | 2016 |
| PK & Sons North Ltd | Wholesale & retail | 2019 |
| PK88(NE) Ltd | Hospitality | 2026 |
| PKW Dean Ltd | Real estate | 2020 |
| Plan-B Engineering Solutions Limited | Professional & scientific | 2020 |
| Planet Careers CIC | Professional & scientific | 2022 |
| Planetsms Limited | Information & communication | 2010 |
| Plasma & Satellite Limited | Professional & scientific | 2005 |
| Platinum Properties NE Limited | Real estate | 2017 |
| Playdays 4 Kidz Community Interest Company | Education | 2010 |
| Plpr Ltd | Real estate | 2026 |
| Plumbgo Ltd | Administrative & support | 2026 |
| Pluxel Systems Limited | Information & communication | 2025 |
| PM Builders Maintenance and Lettings Limited | Real estate | 2025 |
| Pman Afro Mart Ltd | Wholesale & retail | 2021 |
| Pman Grill & Lounge Ltd | Hospitality | 2026 |
| PMG Accounting Solutions Limited | Professional & scientific | 2009 |
| Pnch Leisure Limited | Hospitality | 2019 |
| PNE Block Management Limited | Real estate | 2025 |
| PNE Consultancy Limited | Real estate | 2025 |
| PNE Development Limited | Real estate | 2025 |
| PNE Lettings and Maintenance Limited | Real estate | 2025 |
| PNL (PROPERTY1) Ltd | Real estate | 2024 |
| PNL Ltd | Professional & scientific | 2020 |
| Pocket Mechanic Limited | Wholesale & retail | 2026 |
| Poetic License Distillery Ltd | Hospitality | 2016 |
| Pointplay Limited | Real estate | 2022 |
| Policy Link (Holdings) Limited | Financial services | 2016 |
| Policy Link Limited | Financial services | 2019 |
| Polished Hair and Beauty Ltd | Other services | 2023 |
| Polka DOT Travel Limited | Administrative & support | 2013 |
| Pool Shells UK Ltd | Construction | 2022 |
| POP Recs (Events) Ltd | Arts & recreation | 2022 |
| POP Recs (Tickets) Ltd | Arts & recreation | 2023 |
| POP Recs CIC | Arts & recreation | 2016 |
| Poplar Windfarm Holdings Limited | Energy | 2024 |
| Poppy's Playhouse Ltd | Health & social care | 2025 |
| Pork & Chop Fitness Limited | Arts & recreation | 2023 |
| Porque Cards Ltd | Wholesale & retail | 2025 |
| Port Girls Ltd | Wholesale & retail | 2018 |
| Port Independent Store Limited | Wholesale & retail | 2018 |
| Porth WEN Solar Limited | Energy | 2013 |
| Posh Jawad Ltd | Hospitality | 2026 |
| Positive Steps (NE) Community Interest Company | Arts & recreation | 2016 |
| Posture Team Ltd | Wholesale & retail | 2015 |
| Potentia Safety Solutions Limited | Construction | 2008 |
| Potters Hill Management Company Limited | Real estate | 2018 |
| POTTERSBAR123 Limited | Hospitality | 2026 |
| Potts Pet Supplies Ltd | Wholesale & retail | 2023 |
| Potts Properties North East Limited | Real estate | 2014 |
| Poundsaver UK (NE) Ltd | Wholesale & retail | 2023 |
| Power Construction Renewables Ltd | Professional & scientific | 2019 |
| Power Roll Limited | Professional & scientific | 2012 |
| Power Roll Manufacturing Ltd | Manufacturing | 2022 |
| Powervision TV Europe Limited | Information & communication | 2023 |
| PPM North East Ltd | Professional & scientific | 2024 |
| Prabh Banga Ltd | Transport & logistics | 2021 |
| Practical Properties NE Ltd | Households | 2025 |
| Pracy Properties Ltd | Real estate | 2025 |
| Pradyunco Limited | Information & communication | 2015 |
| Pralea Dumitru Catalin Ltd | Transport & logistics | 2020 |
| Preaction Limited | Professional & scientific | 2021 |
| Precision & Passion Limited | Hospitality | 2025 |
| Precision Fade Studio Ltd | Other services | 2025 |
| Premier Catering and Nutrition Ltd | Hospitality | 2016 |
| Premier Crafts (Cleadon) Ltd | Wholesale & retail | 2018 |
| Premier Portfolio Financial Services Limited | Financial services | 2005 |
| Premier Quality Solutions Limited | Health & social care | 2025 |
| Premier Road HCW Limited | Administrative & support | 2022 |
| Premier Roof Systems Limited | Wholesale & retail | 2024 |
| Premier Selection International Limited | Wholesale & retail | 2026 |
| Premier Services NE Limited | Information & communication | 2010 |
| Premier Specialist Solutions Ltd | Financial services | 2024 |
| Premier Teachers Ltd | Administrative & support | 2005 |