| Pro Abseiling Ltd | Construction | 2024 |
| Pro GAS & Electrical Ltd | Construction | 2020 |
| Pro Hitech Solutions Ltd | Information & communication | 2025 |
| Pro London Developments Ltd | Construction | 2022 |
| Pro MED Pharma Limited | Wholesale & retail | 2002 |
| Pro Sight Cctv Ltd | Administrative & support | 2023 |
| Pro-Pillars Ltd | Real estate | 2018 |
| Proactive Wellbeing Clinic Ltd | Health & social care | 2019 |
| Proconnect Services Ltd | Real estate | 2023 |
| Produkty Polskie Ltd | Wholesale & retail | 2023 |
| Produty Machines Limited | Wholesale & retail | 2025 |
| Profen Industrial Supply Ltd | Mining & quarrying | 2022 |
| Progress Invest Ltd | Real estate | 2025 |
| Progress Learning Centre Ltd | Education | 2019 |
| Progression Holdings (U.K.) Limited | Real estate | 2020 |
| Project LEO Productions Limited | Information & communication | 2020 |
| Project Redesign Ltd | Construction | 2023 |
| Project Wise Building Services Ltd | Construction | 2023 |
| Promart Private Limited | Wholesale & retail | 2023 |
| Promobilewelding Limited | Manufacturing | 2022 |
| Pronoord Limited | Extraterritorial | 2024 |
| Proper Care Services Ltd | Health & social care | 2017 |
| Property Direct ENG Limited | Real estate | 2023 |
| Property Invest & Develop Ltd | Real estate | 2017 |
| Property Management 360 Ltd | Households | 2024 |
| Propertycare Investment Limited | Real estate | 2023 |
| Propertywala Limited | Real estate | 2025 |
| Propertywithcee Limited | Real estate | 2025 |
| Prophouse Investments Ltd | Real estate | 2021 |
| Proportion Construction Limited | Construction | 2010 |
| Proshine Services Ltd | Administrative & support | 2025 |
| Prosper Assets Ltd | Real estate | 2021 |
| Protec Security Solutions Limited | Administrative & support | 2016 |
| Providence Business Consultants Limited | Hospitality | 2024 |
| Providence House Freehold Limited | Real estate | 2020 |
| Provision Construction Ltd | Construction | 2021 |
| Provision Design & Build Limited | Construction | 2025 |
| Proxnex Ltd | Wholesale & retail | 2024 |
| PRP Karthik Ltd | Construction | 2023 |
| PRP Karthik Shopfitters Ltd | Construction | 2022 |
| PRS Property Solutions Ltd | Construction | 2017 |
| Prysmanta Limited | Information & communication | 2025 |
| PS Buildcraft Ltd | Construction | 2026 |
| PS Services London Limited | Real estate | 2022 |
| PSG Builders Ltd | Construction | 2013 |
| PSG Property Holdings Ltd | Real estate | 2023 |
| PSJ Dhillon Properties Ltd | Real estate | 2023 |
| PSK Krishna Group Ltd | Financial services | 2026 |
| PSK Krishna Ltd | Financial services | 2022 |
| Pslnx Ltd | Energy | 2023 |
| PSN Logistics Ltd | Transport & logistics | 2021 |
| PSS Construction Ltd | Construction | 2023 |
| Ptmtradinguk Ltd | Wholesale & retail | 2025 |
| Ptrus Ltd | Education | 2019 |
| Puar Properties Limited | Real estate | 2017 |
| Pubquick Solutions Ltd | Information & communication | 2018 |
| Pulse Plates Ltd | Wholesale & retail | 2026 |
| Punia Group of Logistics Ltd | Transport & logistics | 2025 |
| Punia Roofing and Construction Ltd | Construction | 2022 |
| Punitha Limited | Administrative & support | 2021 |
| Punjab Auto Cleaning T Limited | Administrative & support | 2025 |
| Punjab Builders Ltd | Construction | 2022 |
| Punjab Concrete Ltd | Transport & logistics | 2022 |
| Punjab Express Ltd | Hospitality | 2022 |
| Punjab G Ltd | Construction | 2025 |
| Punjab Home Innovation Ltd | Construction | 2025 |
| Punjab Property Ltd | Real estate | 2022 |
| Punjab Rasoi Ltd | Hospitality | 2026 |
| Punjab Travels Ltd | Administrative & support | 2025 |
| Punjabi Dhaba Rukhi Missi Ltd | Hospitality | 2024 |
| Punjabi Fashion Limited | Wholesale & retail | 2011 |
| Punjabi Mehfil Ltd | Hospitality | 2026 |
| Purcell and Smith Properties Limited | Real estate | 2026 |
| Pure Blue Construction Limited | Construction | 2017 |
| Pure Crafted Ltd | Wholesale & retail | 2025 |
| Pure Earth Paints Limited | Construction | 2025 |
| Pure Vegetarian Tiffin Ltd | Hospitality | 2025 |
| Puredrive Limited | Construction | 2010 |
| Puredropaesthetics Ltd | Health & social care | 2023 |
| Puregrade Cleaning Ltd | Administrative & support | 2026 |
| Puri Brothers Ltd | Construction | 2024 |
| Puri Dwarka Ltd | Wholesale & retail | 2022 |
| Purple Beaker Limited | Real estate | 2024 |
| Puskode IT Ltd | Information & communication | 2026 |
| PV Handles Ltd | Wholesale & retail | 2026 |
| PV Properties Management Limited | Real estate | 2019 |
| PVC Distributions Ltd | Wholesale & retail | 2020 |
| PVI100 Ltd | Professional & scientific | 2024 |
| PWS Supplies Ltd | Wholesale & retail | 2020 |
| PYD Earth and Recycling Ltd | Water & waste | 2026 |
| Pyrex Aviation Ltd | Transport & logistics | 2021 |
| Python Kitchen Ltd | Manufacturing | 2022 |
| Q Design & Marketing Ltd | Professional & scientific | 2013 |
| Q Therapy London Ltd | Transport & logistics | 2026 |
| Qalab Pro Ltd | Wholesale & retail | 2026 |
| QAM UK Services Limited | Transport & logistics | 2026 |
| Qaraar Ltd | Wholesale & retail | 2025 |
| QBH Ltd | Health & social care | 2022 |
| QGS Group Ltd | Professional & scientific | 2024 |
| QID Invest Ltd | Real estate | 2025 |