| Peurecare Ltd | Health & social care | 2024 |
| PGA Global Ltd | Construction | 2025 |
| Pharmaco Solutions Ltd | Professional & scientific | 2025 |
| Phoenix Chambers, the Chambers of Dwain Coward Limited | Professional & scientific | 2025 |
| Phone Medix Ltd | Wholesale & retail | 2019 |
| Phreedah's Choice Enterprises Ltd | Wholesale & retail | 2025 |
| Phymur Global Services Ltd | Construction | 2024 |
| Physiocubs Ltd | Health & social care | 2014 |
| PIJ Invest Ltd | Real estate | 2023 |
| Pine Cottage Productions Ltd | Information & communication | 2026 |
| Pinspired Limited | Manufacturing | 2014 |
| Pioner Consultants UK Limited | Professional & scientific | 2025 |
| Pipeline Mechanical Services Limited | Construction | 2024 |
| PIT Stops One Ltd | Wholesale & retail | 2025 |
| Pixel & Parcel Ltd | Wholesale & retail | 2025 |
| Pixels+Polys Ltd | Professional & scientific | 2016 |
| Pixtelit Ltd | Information & communication | 2021 |
| Pizza CR7 Ltd | Hospitality | 2025 |
| Pizza to Pizza Ltd | Hospitality | 2019 |
| Place 2B Attractions Limited | Administrative & support | 2010 |
| Placement Solutions Ltd | Health & social care | 2021 |
| Placid Care Ltd | Health & social care | 2024 |
| Planning Hub Design Ltd | Professional & scientific | 2017 |
| Plescan Solution Limited | Information & communication | 2025 |
| Plumbing and Heating Exclusive Ltd | Manufacturing | 2013 |
| PNS Building Services Limited | Construction | 2019 |
| PNS Trading Limited | Wholesale & retail | 2025 |
| Polish Homes Limited | Administrative & support | 2019 |
| Pond Fish & Chips and Kebab Ltd | Hospitality | 2026 |
| Pond Fish & Kebab Ltd | Hospitality | 2022 |
| Pond Hair and Cosmetics Ltd | Wholesale & retail | 2025 |
| Pooja Food & Wine Limited | Hospitality | 2013 |
| Popa Clothing Ltd | Wholesale & retail | 2019 |
| Popa Computers Limited | Other services | 2019 |
| Portugal Delights Limited | Hospitality | 2017 |
| Post Direct Logistics & Cleaning Services Ltd | Transport & logistics | 2025 |
| Potion Magic Limited | Information & communication | 2026 |
| Powell’S Plastering and Painting Ltd | Construction | 2020 |
| Power OUT of Restriction Ltd | Professional & scientific | 2023 |
| Ppaa Food Ltd | Hospitality | 2026 |
| PPS Cleaning Services Ltd | Administrative & support | 2021 |
| Prayank Joshi Ltd | Wholesale & retail | 2018 |
| Premier Assets UK Limited | Real estate | 2005 |
| Premier Car Audio & Styling Ltd | Wholesale & retail | 2023 |
| Premier Heating & Plumbing Services Limited | Other services | 2015 |
| Premiere Solutions Limited | Construction | 2018 |
| Premium London Real Estate Ltd | Real estate | 2025 |
| Prestige Airport Transfers Ltd | Transport & logistics | 2022 |
| Prestige Building (London) Limited | Construction | 2023 |
| Prestige Visions Services Ltd | Real estate | 2019 |
| Prestigious Vehicle Services Ltd | Wholesale & retail | 2026 |
| Prevailing Grace Ministries Ltd | Administrative & support | 2014 |
| Prevailing Word of Grace Ltd | Other services | 2025 |
| Prime 4 Properties Ltd | Real estate | 2024 |
| Prime Hexa Ltd | Information & communication | 2025 |
| Prime LAD Ltd. | Professional & scientific | 2013 |
| Prime London Properties Limited | Real estate | 2014 |
| Prime Works Solutions Ltd | Administrative & support | 2025 |
| Primeshore Ltd | Wholesale & retail | 2025 |
| Principle Traders UK Limited | Wholesale & retail | 2013 |
| Prinxt Ltd | Real estate | 2022 |
| Priority GAS and Property Services Professionals Limited | Construction | 2020 |
| Private Electrical Services Ltd | Construction | 2023 |
| Pro Class Enterprises Limited | Information & communication | 2025 |
| Pro Distribution Ltd | Wholesale & retail | 2023 |
| Pro Elevators Ltd | Transport & logistics | 2021 |
| Pro Elite Organisation C.I.C. | Manufacturing | 2016 |
| Procedo Consulting Services Limited | Information & communication | 2023 |
| Proficient Consultant Limited | Extraterritorial | 2010 |
| Proglobal Sports Management Consultancy Limited | Professional & scientific | 2004 |
| Property Development Partners Limited | Real estate | 2023 |
| Property Management AI Ltd | Households | 2025 |
| Property Pears Sourcing Ltd | Real estate | 2020 |
| Propluxe Ltd | Households | 2024 |
| Prospire Property Ltd | Real estate | 2023 |
| Pryced Ltd | Transport & logistics | 2019 |
| PS7 (Europe) Ltd | Hospitality | 2018 |
| Psalms Distribution | Wholesale & retail | 2013 |
| Pskills Limited | Administrative & support | 2023 |
| PSL2 Building Contractors Ltd | Construction | 2026 |
| PSM Global Ltd | Financial services | 2005 |
| Pssv Ltd | Other services | 2022 |
| Pssv Properties Ltd | Real estate | 2021 |
| Psyal Limited | Information & communication | 2019 |
| Puissantluxury and Company Ltd | Other services | 2021 |
| Punch NO Tail Ltd | Manufacturing | 2025 |
| Punchelá Ltd | Manufacturing | 2019 |
| Punta Cana Bar & Restaurant Ltd | Hospitality | 2026 |
| Puranda CIC | Administrative & support | 2021 |
| Pure Cacao Dream Limited | Administrative & support | 2023 |
| Pure Core Limited | Arts & recreation | 2026 |
| Pure Humble Ltd | Construction | 2026 |
| Purecap Investments Ltd | Real estate | 2012 |
| Purley Property Management Ltd | Real estate | 2026 |
| Purple Properties Investments Ltd | Real estate | 2024 |
| Purpose 2 Property Services Ltd | Real estate | 2024 |
| Pushpa Holdings Ltd | Financial services | 2021 |
| Qamar Foods Ltd | Hospitality | 2026 |
| Qlympus Academic and Training Services Ltd | Information & communication | 2020 |
| QM Enterprise Limited | Administrative & support | 2020 |