| Pan-World Logistics Management Ltd | Transport & logistics | 2024 |
| Pan-World Trading Ltd | Wholesale & retail | 2024 |
| Panacea Innovation Aeon Ltd | Manufacturing | 2021 |
| Panacea Innovation Ltd | Professional & scientific | 2015 |
| Panacea Innovation Ventures Ltd | Professional & scientific | 2020 |
| Panacea Ventures Nominees I Ltd | Professional & scientific | 2024 |
| Panafricarbon Impact Investments Ltd | Professional & scientific | 2010 |
| Panasia Street Food Limited | Hospitality | 2023 |
| Panda Lodge Ltd | Hospitality | 2025 |
| Pani&Bez Ltd | Other services | 2021 |
| Panjab Flooring Ltd | Construction | 2026 |
| Panjab Logistics Limited | Transport & logistics | 2023 |
| Pankhurst and Deane Limited | Other services | 2016 |
| Pankhurst London Limited | Wholesale & retail | 2012 |
| Panorama Oxford Ltd | Real estate | 2021 |
| Panta Electrical Services Limited | Construction | 2004 |
| Paparude Limited | Transport & logistics | 2019 |
| Pappo Holdings Ltd | Real estate | 2022 |
| Parabola Press Ltd | Information & communication | 2019 |
| Paradigm Fitness Limited | Arts & recreation | 2026 |
| Paradigm Motors Limited | Wholesale & retail | 2021 |
| Paradigm Summertown Limited | Arts & recreation | 2026 |
| Paradise Heights Management Limited | Households | 2003 |
| Paradyne Limited | Information & communication | 2025 |
| Paragon Doors and Windows Co Limited | Construction | 2023 |
| Parakhonyak Ltd | Professional & scientific | 2020 |
| Pararo Ltd | Transport & logistics | 2023 |
| Parcelpro Limited | Transport & logistics | 2025 |
| Parental Support Limited | Real estate | 2020 |
| Parenting for Lifelong Health | Professional & scientific | 2022 |
| Parentingstyle Ltd | Education | 2025 |
| Paresh CTR PVT Ltd | Hospitality | 2025 |
| Park and Helix Advisory Ltd | Professional & scientific | 2026 |
| Park Close (Oxford) Management Company Limited | Households | 1972 |
| Park Farm Sport Horses Limited | Agriculture & fishing | 2025 |
| Park Group Global Investments Ltd | Administrative & support | 2025 |
| Park Knowles Limited | Professional & scientific | 2024 |
| Park Signalling Limited | Manufacturing | 1999 |
| Park Town Gardener Limited | Administrative & support | 2024 |
| Park Town Life Limited | Wholesale & retail | 1998 |
| Park Town Limited | Real estate | 2012 |
| Park View Apartments Harbord Road Limited | Households | 2007 |
| Parker Contract Cleaning Limited | Administrative & support | 2011 |
| Parker Holdings (Oxford) Limited | Financial services | 2024 |
| Parkhouse Commercial Properties Limited | Real estate | 1974 |
| Parkinson's Disease Helpers! Community Interest Company | Wholesale & retail | 2025 |
| Parkland Beef and Lamb Limited | Wholesale & retail | 2004 |
| Parma Deli Ltd | Wholesale & retail | 2025 |
| Paro Consultancy Services Limited | Professional & scientific | 2026 |
| Partone Hair Limited | Other services | 2002 |
| Parts Work Together Ltd | Professional & scientific | 2020 |
| Partus Press Ltd | Information & communication | 2018 |
| Pasley Consulting Limited | Information & communication | 2020 |
| Pass With JAN Ltd | Education | 2026 |
| Pass With Purdy's Ltd | Other services | 2010 |
| Passportstamp Limited | Information & communication | 2008 |
| Pathderma Ltd | Health & social care | 2021 |
| Pathway JOB Consulting Ltd | Other services | 2025 |
| Patregnanicleaning Ltd | Administrative & support | 2025 |
| Patrick Cullen Ltd | Information & communication | 2015 |
| Patrick Davey Limited | Health & social care | 2010 |
| Patterns and Proofs Ltd | Information & communication | 2025 |
| Pattrn Analytics and Intelligence Ltd | Professional & scientific | 2021 |
| Paul & Jane Shuter Limited | Information & communication | 2009 |
| Paul Christopher Clark Limited | Financial services | 2014 |
| Paul Coleman's Oxford Karate Academy Limited | Arts & recreation | 2023 |
| Paul D. Stewart Limited | Information & communication | 2008 |
| Paul DE Villiers Architect Limited | Professional & scientific | 2011 |
| Paul Hurrell Building Ltd | Construction | 2018 |
| Paul Kevin Green Services Ltd | Manufacturing | 2022 |
| Paul Mcbain Limited | Other services | 1993 |
| Paul Silva Allen Ltd | Information & communication | 2012 |
| Paul Southouse Architects Ltd | Extraterritorial | 2016 |
| Pause Yoga Studio Ltd | Other services | 2025 |
| Pavestyle Drives and Patios Ltd | Administrative & support | 2025 |
| Pavilion Entertainment Limited | Information & communication | 2018 |
| Pavord Medical Services Ltd | Health & social care | 2011 |
| Pavy Limited | Professional & scientific | 2009 |
| Pawpathways Ltd | Wholesale & retail | 2025 |
| Paxfern Limited | Households | 1993 |
| PAY Safe Financial Solutions Limited | Professional & scientific | 2016 |
| PAY Trade Limited | Administrative & support | 2020 |
| Payactiv Inc Limited | Information & communication | 2025 |
| Payhub UK Limited | Information & communication | 2013 |
| PB Construction & Decoration Ltd | Construction | 2012 |
| PBS Investments Group Ltd | Real estate | 2024 |
| Peace of Mind Parenting Ltd | Education | 2018 |
| Peak Study Resources Ltd | Information & communication | 2019 |
| Peak Ventures Ltd | Information & communication | 2017 |
| Peakharmony Ltd | Information & communication | 2011 |
| Pearson Legal Consultancy Limited | Professional & scientific | 2016 |
| Pearson Specter Ltd | Construction | 2020 |
| Peartree Oxford Limited | Construction | 2015 |
| Pebble Tech Limited | Information & communication | 2026 |
| Pebblebrook Capital Ltd | Real estate | 2021 |
| Pebnat Limited | Information & communication | 2026 |
| Pechiv Limited | Health & social care | 2011 |
| Pedagogia Ltd | Professional & scientific | 2010 |
| Peedell Bros Limited | Construction | 1953 |
| Peep Learning Limited | Education | 2000 |