| Pasha Shawarma Gril Ltd | Hospitality | 2026 |
| Pasolo Ltd | Wholesale & retail | 2025 |
| Pass Engineering Limited | Professional & scientific | 2023 |
| Pathway Soccer Limited | Administrative & support | 2023 |
| Paticake.Patisserie Ltd | Wholesale & retail | 2019 |
| Patil Traders Ltd | Wholesale & retail | 2024 |
| Patmos Services Limited | Other services | 2021 |
| Patras Logistics Ltd | Transport & logistics | 2025 |
| Patternum Ltd | Arts & recreation | 2021 |
| Pattison Energy Ltd | Energy | 2019 |
| Pattons Auto Centre Limited | Wholesale & retail | 2017 |
| Paul Airey Surveyors Limited | Real estate | 2018 |
| Paul Copeland and Sons Limited | Construction | 2007 |
| Paul Denny Accountancy Services Limited | Professional & scientific | 2014 |
| Paul Douglas Electrical Services Limited | Administrative & support | 2010 |
| Paul Flynn Logistics Ltd | Transport & logistics | 2025 |
| Paul Gowland Enterprises Limited | Water & waste | 2015 |
| Paul Pybus Scaffolding Limited | Construction | 2012 |
| Paul Simpson Contracting Ltd | Professional & scientific | 2025 |
| Pavillupillai Property Ltd | Real estate | 2024 |
| Pawdial Limited | Wholesale & retail | 2025 |
| Pawfect Prints Ltd | Other services | 2024 |
| Pawfocus Ltd | Information & communication | 2024 |
| Pawsome Socks Ltd | Wholesale & retail | 2023 |
| Pawz for Thought | Other services | 2003 |
| PAY AS YOU Go Ltd | Wholesale & retail | 2025 |
| Payne & Sons Property Ltd | Real estate | 2020 |
| PB Microtunneling Limited | Construction | 2016 |
| PBS Group (NE) Limited | Wholesale & retail | 2015 |
| PC & Fonetech UK Ltd | Information & communication | 2011 |
| PC Accounting Limited | Professional & scientific | 2021 |
| PDC Fabrications Ltd | Mining & quarrying | 2015 |
| PDS Project Management LLP | | 2012 |
| Peacock Electrical Contractors Ltd | Manufacturing | 2014 |
| Peacock Manor Care Centre Ltd | Health & social care | 2025 |
| Peak Global Logistics Limited | Transport & logistics | 2022 |
| Pebbletree Ltd | Information & communication | 2005 |
| Pecorino Properties Ltd | Real estate | 2023 |
| Pegasos Events and Weddings Management Ltd | Wholesale & retail | 2024 |
| Pembroke Limited | Real estate | 2019 |
| Pendigo Ltd | Information & communication | 2016 |
| Peniel Business Solutions Limited | Information & communication | 2014 |
| Pennell Event Services (P.E.S) Ltd | Administrative & support | 2019 |
| Pennywell Business Centre Ltd | Real estate | 2018 |
| Pennywell Community Centre | Arts & recreation | 2002 |
| Pennywell Sunderland Caterers Ltd | Hospitality | 2023 |
| Penshaw Accountancy Ltd | Professional & scientific | 2018 |
| Penshaw Prospect Limited | | 2010 |
| People First - Investments Ltd | Real estate | 2020 |
| People First - Properties Ltd | Real estate | 2020 |
| Pepper Fast Food Ltd | Hospitality | 2026 |
| Perennial Services Limited | Administrative & support | 2019 |
| Perfect Home for YOU Limited | Real estate | 2016 |
| Pergola Tech UK Limited | Construction | 2025 |
| Peridot Germane Global Ltd | Real estate | 2024 |
| Peritus Intelligent Business Solutions Limited | Information & communication | 2013 |
| Persian Delight Ltd | Hospitality | 2019 |
| Perspective Clothing Ltd | Wholesale & retail | 2026 |
| PES (Northern) Limited | Construction | 2023 |
| Pescafish Limited | Wholesale & retail | 2004 |
| Pet Vertex Ltd | Wholesale & retail | 2022 |
| Peter Alan Counselling Services Limited | Health & social care | 2025 |
| Peter Coates Associates Limited | Information & communication | 2013 |
| Peter Cooper Roofing Contractor Limited | Construction | 2025 |
| Peter Dunn & Co Limited | Professional & scientific | 2012 |
| Peter Dunn (Holdings) Limited | Professional & scientific | 2019 |
| Peter Dunn ACA Limited | Financial services | 2024 |
| Peter Heron Limited | Real estate | 2010 |
| Peterfield Limited | Wholesale & retail | 2020 |
| Peterstyle Limited | Wholesale & retail | 2025 |
| PFC Sunderland Ltd | Arts & recreation | 2019 |
| Pfendt DIY Ltd | Wholesale & retail | 2025 |
| PFS Autosteering Ltd | Wholesale & retail | 2026 |
| PGI Healthcare Services Limited | Administrative & support | 2017 |
| PH Services Ltd | Wholesale & retail | 2021 |
| Phasor Limited | Manufacturing | 1996 |
| Phildefriesmma Ltd | Arts & recreation | 2019 |
| Phillips Precision Plastering Limited | Construction | 2022 |
| Phillips Precision Properties Limited | Real estate | 2025 |
| Phillyshack Ltd | Hospitality | 2025 |
| PHO179 Limited | Hospitality | 2022 |
| Phoenix Embroidery & Print Ltd | Manufacturing | 2024 |
| Phoenix Employment Training Academy Limited | Administrative & support | 2010 |
| Phoenix Furnishings Limited | Water & waste | 1998 |
| Phoenix Venue Installations Limited | Construction | 2013 |
| Phone Orbit Limited | Other services | 2012 |
| Phonetic Digital Services Limited | Information & communication | 2021 |
| Phrmone Limited | Health & social care | 2019 |
| Phronesis Services Limited | Wholesale & retail | 2025 |
| PHT Property Investments Ltd | Real estate | 2021 |
| Physical Education & Active Kids Ltd | Education | 2014 |
| Physiofixx Limited | Health & social care | 2015 |
| Physiologist Solutions Ltd | Health & social care | 2025 |
| Piara Commercial Properties Ltd | Real estate | 2020 |
| Pickering Construction (Services) Limited | Construction | 2012 |
| Pied.Sunderland Ltd | Hospitality | 2025 |
| Pigment Hair Ltd | Wholesale & retail | 2026 |
| Pigments in Positivity CIC | Health & social care | 2026 |
| Pilates Moda Limited | Wholesale & retail | 2026 |
| Pinesway Glass Limited | Manufacturing | 2003 |