| Pride Equity Limited | Construction | 2011 |
| Pride Management (UK) Limited | Real estate | 2009 |
| Pride Management London Limited | Real estate | 2023 |
| Pridecrown Limited | Real estate | 2010 |
| Pridenova Limited | Real estate | 2006 |
| Prideview Agency LLP | | 2018 |
| Prideview Properties Limited | Real estate | 1989 |
| Pridewell Construction Limited | Real estate | 2015 |
| Prime Brand Exports Limited | Wholesale & retail | 2009 |
| Prime Deliveries Ltd | Other services | 2021 |
| Prime Heating and Plumbing Services Ltd | Construction | 2024 |
| Prime London Partners Limited | Administrative & support | 2013 |
| Prime London Property Limited | Real estate | 2011 |
| Prime Pharmacare Ltd | Wholesale & retail | 2011 |
| Prime Property Investments MTB Ltd | Real estate | 2016 |
| Prime Residential Services Limited | Professional & scientific | 2020 |
| Prime Vitamins Limited | Extraterritorial | 2013 |
| Primebulk Supplies Ltd | Wholesale & retail | 2024 |
| Princetown Securities Limited | Real estate | 1990 |
| Priory Medical Liverpool Ltd | Real estate | 2021 |
| Priory Properties (Wembley) Limited | Real estate | 1961 |
| Priram Limited | Real estate | 2026 |
| Prish Empire Ltd | Real estate | 2021 |
| Pristine Enterprise Limited | Wholesale & retail | 2022 |
| Pristine Real Estate Limited | Real estate | 2020 |
| Private Capital Advisors Limited | Financial services | 2016 |
| Private Markets Advisory Limited | Professional & scientific | 2025 |
| Private Tailoring Limited | Manufacturing | 2007 |
| Prizepalm Limited | Construction | 1974 |
| PRK Prime Properties Limited | Real estate | 2022 |
| PRK Property Group Limited | Real estate | 2026 |
| Pro 247 Limited | Wholesale & retail | 2007 |
| Pro 247 Services Ltd | Real estate | 2020 |
| Pro Caffe Limited | Hospitality | 2024 |
| Pro Glazing Solutions Ltd | Construction | 2019 |
| Pro-Performance Vitalism Limited | Other services | 2017 |
| Probuild&Maintenance Ltd | Professional & scientific | 2025 |
| Processiq Consulting Ltd | Information & communication | 2026 |
| Productivesys Ltd | Information & communication | 2017 |
| Profectus Real Estate Ltd | Real estate | 2024 |
| Proficient Counselor Ltd | Professional & scientific | 2010 |
| Proficient Plus Consultancy Limited | Professional & scientific | 2014 |
| Profitise Ltd | Information & communication | 2014 |
| Programmatic Media Group Ltd | Information & communication | 2024 |
| Project A1 Limited | Real estate | 2022 |
| Project Admin Limited | Information & communication | 2017 |
| Project and Advisory Solutions Limited | Professional & scientific | 2013 |
| Project DMR Limited | Construction | 2021 |
| Project Management Solutions Provider Ltd | Construction | 2022 |
| Project Seventy-Six Limited | Information & communication | 2021 |
| Projectakhirah Ltd | Wholesale & retail | 2025 |
| Projectone Pilot Ltd | Professional & scientific | 2024 |
| Projects Refined Enterprises Ltd | Construction | 2018 |
| Prolite Trading Ltd | Wholesale & retail | 2021 |
| Promopack Limited | Manufacturing | 2024 |
| PROMOTE2U Ltd | Professional & scientific | 2026 |
| Prompt Productions Ltd | Professional & scientific | 2024 |
| Properties by JD Limited | Real estate | 2017 |
| Propertiq Ltd | Households | 2024 |
| Property Balance Limited | Real estate | 2014 |
| Property Consult Limited | Real estate | 2007 |
| Property Fixers Limited | Construction | 2024 |
| Property House Solutions Limited | Real estate | 2019 |
| Property Surgeons London Ltd | Construction | 2018 |
| Property Upkeep Ltd | Construction | 2017 |
| Propertybay.Co.Uk Ltd | Real estate | 2006 |
| Propylaea Limited | Hospitality | 2017 |
| Proserv Investments Bidco Limited | Financial services | 2024 |
| Proserv Investments Limited | Financial services | 2024 |
| Prospero International Limited | Wholesale & retail | 2021 |
| Prosperous Future Limited | Real estate | 2024 |
| Protct Limited | Wholesale & retail | 2014 |
| Proxinova Technology Ltd | Wholesale & retail | 2017 |
| PRS Property Holdings Limited | Real estate | 2025 |
| PRT Limited | Financial services | 2019 |
| Prudentcares Services Ltd | Information & communication | 2017 |
| PS Power Engineering Limited | Professional & scientific | 2013 |
| PS Prosthodontics Limited | Health & social care | 2015 |
| Psap Ltd | Hospitality | 2025 |
| PSH Electrical Limited | Construction | 2007 |
| PSK Holdings Ltd | Professional & scientific | 2026 |
| PSN Building Services Limited | Construction | 2017 |
| PSR Wellness Limited | Wholesale & retail | 2018 |
| Ptar Ltd | Financial services | 2022 |
| Pthrone Limited | Hospitality | 2014 |
| PTK Estates Limited | Real estate | 2022 |
| PTS Foundation Ltd | Other services | 2009 |
| Pubali Spice Limited | Hospitality | 2019 |
| Pulse Holdings Limited | Wholesale & retail | 1998 |
| Pulse Inventions Limited | Professional & scientific | 2018 |
| Pulse Waste Solutions Limited | Water & waste | 2025 |
| Pulsemedical PLS Ltd | Health & social care | 2025 |
| Pure Icelandic Spirits Company Limited | Wholesale & retail | 2019 |
| Pure IVY Limited | Wholesale & retail | 2025 |
| Pure Property Ltd | Real estate | 2024 |
| Purebook Life Ltd | Real estate | 2021 |
| Puri Portfolio Limited | Financial services | 2016 |
| Puri Properties Limited | Financial services | 2016 |
| Purplefish Homes Limited | Real estate | 2012 |
| Purton Property Investments Limited | Real estate | 2021 |