| Progress N Results Limited | Wholesale & retail | 2019 |
| Progressive Business Mentoring LLP | | 2009 |
| Progressive Childcare Ltd | Education | 2012 |
| Progressive Cuisine Ltd | Hospitality | 2024 |
| Prohealth Chiropractic Limited | Health & social care | 2015 |
| Project 62 (NE) Ltd | Wholesale & retail | 2025 |
| Project 7 Racing Limited | Wholesale & retail | 2025 |
| Project Cairo Bidco Limited | Financial services | 2025 |
| Project Cairo Topco Limited | Financial services | 2025 |
| Project Crossbar Limited | Professional & scientific | 2015 |
| Project ME Ltd | Information & communication | 2024 |
| Project Rosehill Limited | Information & communication | 2022 |
| Project Scaffolding Limited | Extraterritorial | 2000 |
| Project SF Bidco Limited | Professional & scientific | 2022 |
| Project SF Topco Limited | Professional & scientific | 2022 |
| Prolific Financial Holdings Limited | Extraterritorial | 2020 |
| Prolific Financial Services Limited | Extraterritorial | 2001 |
| Prolific Group Limited | Extraterritorial | 2015 |
| Prolingual Solutions Limited | Education | 2023 |
| Prom 2 BE Ltd | Other services | 2019 |
| Promoting Excellence On-Line Limited | Education | 2021 |
| Property at 13 Limited | Real estate | 2024 |
| Property Cohort Management Limited | Real estate | 2018 |
| Property Hubb Group Ltd | Information & communication | 2026 |
| Property Photographs Ltd. | Arts & recreation | 2007 |
| Property Relief Limited | Real estate | 2017 |
| Property Restoration North West Limited | Construction | 2010 |
| Propfix Ltd | Construction | 2012 |
| Proppack.Ai Ltd | Information & communication | 2025 |
| Propvisory Limited | Professional & scientific | 2020 |
| Prosperity (GB) Limited | Financial services | 2004 |
| Prosperity (Holdings) Limited | Financial services | 2003 |
| Prosperity Social Network Limited | Professional & scientific | 2025 |
| Prospex Property Solutions Ltd | Construction | 2024 |
| Prosthetic Innovations Limited | Health & social care | 2007 |
| Prosure Safety Ltd | Professional & scientific | 2026 |
| Protean Systems Limited | Information & communication | 2004 |
| Proten Environmental Limited | Construction | 2004 |
| Proton Care Ltd | Health & social care | 2021 |
| Proud Property Ventures Limited | Real estate | 2025 |
| Providence Gate Bretherton Limited | Construction | 2020 |
| Providence Gate Group Holdings Limited | Construction | 2020 |
| PRW Developments Limited | Real estate | 2026 |
| PSD Architectural Services Limited | Professional & scientific | 2014 |
| PSG Cleaning Limited | Administrative & support | 2014 |
| PSG30 Consulting Limited | Hospitality | 2022 |
| PSH Maintenance Limited | Construction | 2009 |
| PSN Group Ltd | Financial services | 2017 |
| PSP Paediatric & Neuro Rehabilitation Limited | Health & social care | 2010 |
| PSR Maintenance & Services Ltd | Construction | 2025 |
| Psra Ltd | Wholesale & retail | 2018 |
| Psych.Therapy Practice Limited | Other services | 2010 |
| Psycho Monkey Limited | Other services | 2015 |
| PUB Acquisition Group Ltd | Hospitality | 2022 |
| Pullman Jack Ltd | Manufacturing | 2020 |
| Pumpwise UK Limited | Manufacturing | 2024 |
| Purcell Homes Ltd | Real estate | 2021 |
| Purcell's Accountancy Ltd | Professional & scientific | 2025 |
| Pure Elegance Weddings & Events Limited | Other services | 2013 |
| Pure Planet Solar and Energy Ltd | Construction | 2026 |
| Pure Yoga Teacher Training Ltd | Arts & recreation | 2018 |
| Pureflow SW Ltd | Construction | 2022 |
| Puretech Media Ltd | Professional & scientific | 2014 |
| Purple Lovesuit Properties Limited | Households | 2021 |
| Purplepig ICT Ltd | Agriculture & fishing | 2004 |
| Putright Projects Ltd | Real estate | 2019 |
| PV Consumables Ltd | Manufacturing | 2024 |
| PW Financial Management Limited | Financial services | 1999 |
| Pynes Landscaping and General Builders Limited | Construction | 2019 |
| Pyrite Developments Ltd | Construction | 2020 |
| Q L Discos Limited | Arts & recreation | 2006 |
| Q Local Limited | Information & communication | 2010 |
| Q P Yorkshire Limited | Agriculture & fishing | 2015 |
| Q.B.P Engineering Ltd | Professional & scientific | 2021 |
| QA Scheme Support Services Ltd | Administrative & support | 2006 |
| QCI Europe Limited | Manufacturing | 2009 |
| QDR Consultancy Limited | Professional & scientific | 2024 |
| QS & Commercial Services Ltd | Professional & scientific | 2024 |
| QS North West Limited | Construction | 2025 |
| Qsavi Ltd | Professional & scientific | 2019 |
| Qsdr Limited | Professional & scientific | 2020 |
| QTC Import Consultants Limited | Professional & scientific | 2012 |
| Qualitas (NW) Ltd | Professional & scientific | 2017 |
| Qualitel Voice & Data Limited | Information & communication | 1979 |
| Quality Flooring Outlet Ltd | Wholesale & retail | 2023 |
| Quality Sport Holiday Clubs Ltd | Education | 2018 |
| Quality Temps Ltd | Administrative & support | 2021 |
| Qualitymark Protection Ltd | Financial services | 1996 |
| Quanta Associates Ltd | Professional & scientific | 2011 |
| Quantum Evolve Limited | Information & communication | 2019 |
| Quantum Portfolio Management Limited | Extraterritorial | 2002 |
| Quantus Commercial Services Ltd | Professional & scientific | 2025 |
| Quarry House Limited | Hospitality | 2022 |
| Quartz Stone Ltd | Construction | 2018 |
| Quattro Fusion Ltd | Financial services | 2026 |
| Queen Anne's Guest House (York) Limited | Hospitality | 2011 |
| Quelch Engineering (UXB) Limited | Manufacturing | 2024 |
| QUEO2 Ltd | Wholesale & retail | 2010 |
| Quesada Trans Ltd | Transport & logistics | 2018 |
| Quest Estates (Developments) Ltd | Real estate | 2017 |