| PPC 2 Limited | Hospitality | 2026 |
| Ppmc Services Ltd | Professional & scientific | 2019 |
| PPS BG Ltd | Hospitality | 2019 |
| PR Bespoke Interiors Ltd | Construction | 2019 |
| PR Gynaecology Ltd | Health & social care | 2023 |
| Praetura Commercial Finance (BTB1) Limited | Financial services | 2026 |
| Praetura Commercial Finance Holdings Limited | Financial services | 2016 |
| Praetura Commercial Finance Limited | Financial services | 2016 |
| Praetura Invoice Finance Limited | Financial services | 2021 |
| Praetura Limited | Financial services | 2026 |
| Praia Investments LLP | | 2005 |
| Praxis ENT Limited | Health & social care | 2021 |
| Precision Joint Replacement Ltd | Health & social care | 2011 |
| Precision Knee and HIP Limited | Health & social care | 2024 |
| Precision Point Solutions Limited | Professional & scientific | 2024 |
| Precision Reports Limited | Health & social care | 2023 |
| Predictr.Io Limited | Information & communication | 2025 |
| Prekonstrukt Ltd | Professional & scientific | 2018 |
| Premeactive Limited | Professional & scientific | 2018 |
| Premier Bowls Sales Ltd | Wholesale & retail | 2025 |
| Premier CRU Training Ltd | Professional & scientific | 2000 |
| Premier Education Limited | Administrative & support | 2001 |
| Premier Forecourts Limited | Wholesale & retail | 2023 |
| Premier Heart Limited | Health & social care | 2019 |
| Premier Laptop Parts Ltd | Wholesale & retail | 2019 |
| Premier Loushers Limited | Real estate | 2013 |
| Premier Sports Coaching Ltd | Education | 2023 |
| Premier Tanker Services Holdings Limited | Financial services | 2022 |
| Premier Tanker Services Ltd | Manufacturing | 2003 |
| Premium Inc Brands UK Ltd | Wholesale & retail | 2021 |
| Premium Systems Limited | Administrative & support | 2002 |
| Prescient Change Limited | Professional & scientific | 2018 |
| Prescott Homes Limited | Professional & scientific | 2022 |
| Prescott Urology Ltd | Health & social care | 2023 |
| Prestia (UK) Enterprise Limited | Administrative & support | 2016 |
| Preston LM Homes Limited | Households | 2023 |
| Prev-A-Dent Limited | Administrative & support | 1998 |
| Prevayl Holdings Limited | Professional & scientific | 2019 |
| Prevayl Innovations Limited | Professional & scientific | 2021 |
| Prevayl Investments Limited | Professional & scientific | 2024 |
| Priest Group Ltd | Information & communication | 2022 |
| Priestnall Developments Ltd | Real estate | 2009 |
| Primary Care Services Limited | Health & social care | 2017 |
| Primary Focus Imac Ltd | Professional & scientific | 2018 |
| Prime Airport Car Park Limited | Administrative & support | 2026 |
| Prime Experts Limited | Health & social care | 2026 |
| Primedale Estates Ltd | Real estate | 2009 |
| Primlea Court RTM Company Limited | Households | 2024 |
| Primocardio Limited | Health & social care | 2020 |
| Primus Connect Ltd | Administrative & support | 2023 |
| Prints and Blotts Ltd | Wholesale & retail | 2021 |
| Priority Support Solutions Ltd | Health & social care | 2026 |
| Privacy Phantom Ltd | Information & communication | 2023 |
| Privacyx Consulting Limited | Professional & scientific | 2022 |
| Priyal Eyewear Ltd | Professional & scientific | 2008 |
| Prizm Technologies Ltd | Professional & scientific | 2009 |
| Pro Flight Cheshire Limited | Transport & logistics | 2019 |
| Pro PM Ltd | Professional & scientific | 2016 |
| Pro Seriatim Limited | Other services | 2013 |
| Probitas Services Limited | Professional & scientific | 2020 |
| Probus ML Limited | Health & social care | 2019 |
| Prodec Global UK Ltd | Financial services | 2023 |
| Producers Choice Ltd | Arts & recreation | 2013 |
| Prof JON Stone Limited | Health & social care | 2020 |
| Professional Development Group Limited | Administrative & support | 2018 |
| Professional Radiology Limited | Health & social care | 2026 |
| Professor Richard Warren Dermatology Limited | Health & social care | 2024 |
| Profix Property Services (NW) Ltd | Construction | 2025 |
| Profootballiq Ltd | Education | 2024 |
| Profunnel Limited | Hospitality | 2010 |
| Progression Fit Limited | Arts & recreation | 2012 |
| Project Social Cucina Limited | Hospitality | 2025 |
| Project Solutions Lighting Limited | Construction | 2014 |
| Project Soluutions Ltd | Professional & scientific | 2025 |
| Project Totem (Nominee a) Limited | Financial services | 2024 |
| Project Totem (Nominee B1) Limited | Financial services | 2024 |
| Project Totem (Nominee B2) Limited | Financial services | 2024 |
| Project Totem (Nominee C) Limited | Financial services | 2024 |
| Projectdoctor Ltd | Education | 2025 |
| Projekt Ventures Limited | Professional & scientific | 2018 |
| Prolific Investments Limited | Real estate | 2015 |
| Prolux Concepts Limited | Wholesale & retail | 2022 |
| Promar of Sale (U.K.) Limited | Hospitality | 1982 |
| Prometheon Ltd | Professional & scientific | 2024 |
| Promoseo Ltd | Professional & scientific | 2010 |
| Promotion Products Limited | Administrative & support | 2003 |
| Propco Cheshire Limited | Real estate | 2015 |
| Proper Full Action Sports Limited | Arts & recreation | 2017 |
| Proper Yorkshire Limited | Hospitality | 2016 |
| Property Advice Suppliers Ltd | Real estate | 2019 |
| Property Brother Lettings Limited | Real estate | 2019 |
| Property Clicks Ltd | Professional & scientific | 2019 |
| Property Consort Ltd | Real estate | 2019 |
| Property Precision Services Limited | Construction | 2014 |
| Property Profits Ltd | Real estate | 2018 |
| Property Wealth Creation Ltd | Real estate | 2012 |
| Propsource Consulting Ltd | Administrative & support | 2019 |
| Proseal Limited | Professional & scientific | 2003 |
| Prospect Closing Ltd | Wholesale & retail | 2023 |
| Prospect Code Limited | Information & communication | 2017 |