| Plumbistan Limited | Construction | 2021 |
| Plusnext Ltd | Information & communication | 2021 |
| Plustutoring Ltd | Education | 2026 |
| Plux Ltd | Construction | 2026 |
| PLX Investments Ltd | Real estate | 2025 |
| Pmkdosage Ltd | Manufacturing | 2023 |
| PMO UK Consulting Ltd | Professional & scientific | 2025 |
| PNS IT Consulting Ltd | Information & communication | 2015 |
| Policyarch Limited | Administrative & support | 2025 |
| Polster Corporate Ltd | Transport & logistics | 2025 |
| Power Business Intelligence Ltd | Information & communication | 2025 |
| Power CMS Technology Ltd | Information & communication | 2023 |
| POWER5 Events Ltd | Arts & recreation | 2025 |
| PP Software Consulting Ltd | Information & communication | 2019 |
| PPM Plumbing Services Limited | Construction | 2013 |
| PPS & SON Ltd | Construction | 2019 |
| Prabhdeep Singh Ltd | Construction | 2022 |
| Pradhan Properties Limited | Real estate | 2024 |
| Prana Technologies Limited | Information & communication | 2014 |
| Pranava Kerala Limited | Health & social care | 2023 |
| Pranic Meals Ltd | Manufacturing | 2025 |
| Prayanionex Limited | Arts & recreation | 2025 |
| Precious Mementoes Ltd. | Wholesale & retail | 2014 |
| Premiea Limited | Administrative & support | 2021 |
| Premier H&S Ltd | Administrative & support | 2016 |
| Premier Services (Middlesex ) Limited | Construction | 2010 |
| Premier World Trade Limited | Hospitality | 2018 |
| Premium Accountants Ltd | Professional & scientific | 2019 |
| Premium Natural Smiles Limited | Health & social care | 2024 |
| Prestige Drive Academy Ltd | Education | 2025 |
| Prestige Gateway Ltd | Transport & logistics | 2026 |
| Prestige London Construction Ltd | Construction | 2025 |
| Prestige Property Portfolio Ltd | Wholesale & retail | 2023 |
| Priamoth Innovations Limited | Information & communication | 2025 |
| Price CAD Design Limited | Administrative & support | 2013 |
| Prime Boda Services Ltd | Transport & logistics | 2025 |
| Prime Builders Contractor Ltd | Construction | 2022 |
| Prime Herders K9 Services Ltd | Administrative & support | 2025 |
| Prime Investment Properties Ltd | Real estate | 2022 |
| Prime London Motors Ltd | Wholesale & retail | 2022 |
| Prime Management Holdings Securities Limited | Real estate | 2015 |
| Prime Management Securities Limited | Real estate | 2023 |
| Prime Mart PVT Ltd | Wholesale & retail | 2026 |
| Prime Phone Ltd | Wholesale & retail | 2023 |
| Prime Safety Solutions Ltd | Construction | 2023 |
| Prime Trade Discounts Limited | Wholesale & retail | 2024 |
| Primefix Construction Ltd | Construction | 2026 |
| Primo Blue Ltd | Administrative & support | 2015 |
| Printing Innovations Ltd | Manufacturing | 2021 |
| Priority Projects Ltd | Construction | 2018 |
| Pristine Autos Ltd | Wholesale & retail | 2023 |
| Pristinebliss Ltd | Wholesale & retail | 2021 |
| Pro Steel Installation Limited | Construction | 2015 |
| Pro-Deko Ltd | Construction | 2022 |
| Prodoc (UK) Ltd | Professional & scientific | 2010 |
| Professional Shopfronts & Roller Shutters Limited | Manufacturing | 2024 |
| Profit Focused Ltd | Professional & scientific | 2017 |
| Progress Accounting Ltd | Professional & scientific | 2023 |
| Prohhat Ltd | Wholesale & retail | 2025 |
| Project Controls Global & Partners Ltd | Administrative & support | 2017 |
| Project Success Solutions Limited | Administrative & support | 2015 |
| Prolify Ltd | Information & communication | 2026 |
| Promiseland.Fz Ltd | Wholesale & retail | 2024 |
| Prompttech Global Limited | Information & communication | 2023 |
| Proper-T Holding Ltd | Real estate | 2018 |
| Properteesy Ltd | Real estate | 2018 |
| Properties Limited | Households | 1995 |
| Property Box Estate Agency Ltd | Real estate | 2022 |
| Property Devotion Ltd | Real estate | 2019 |
| Propx Ltd | Real estate | 2024 |
| Prospera Homes Ltd | Households | 2023 |
| Prosperx Ltd | Professional & scientific | 2022 |
| Protek Innovations Limited | Wholesale & retail | 2016 |
| Proxima Engineering Limited | Professional & scientific | 2018 |
| Proxima II Properties Ltd | Real estate | 2025 |
| Prudent Advice Limited | Real estate | 2024 |
| Pryn Global Ltd | Information & communication | 2024 |
| Pspt Ltd | Wholesale & retail | 2026 |
| PT Cargo Ltd | Transport & logistics | 2024 |
| Ptnp Retail Ltd | Wholesale & retail | 2024 |
| PTP Real Estates Limited | Real estate | 2024 |
| Punjab Roadways Ltd | Transport & logistics | 2026 |
| Puraa Ltd | Wholesale & retail | 2025 |
| Pure Health Pharma Ltd | Manufacturing | 2025 |
| Pure Renovation London Ltd | Construction | 2021 |
| Puregrace Care and Staff Solutions Ltd | Health & social care | 2025 |
| Pureheat Energy Ltd | Construction | 2025 |
| Purelocum Ltd | Administrative & support | 2026 |
| Purely Electrique Limited | Wholesale & retail | 2013 |
| Purva Ltd | Real estate | 2026 |
| Puspa & Laiba Ltd | Hospitality | 2019 |
| Pvbv Limited | Construction | 2025 |
| PVV Investments Limited | Real estate | 2013 |
| PW Group Holdings Ltd | Administrative & support | 2023 |
| PYK Consultants Limited | Administrative & support | 2024 |
| PZ Solutions Limited | Construction | 2026 |
| Q P M S Ltd | Administrative & support | 2003 |
| Q&Q Carpentry Ltd | Manufacturing | 2021 |
| Q,S and D Limited | Wholesale & retail | 2026 |
| Qaaz Investment Ltd | Real estate | 2024 |