| Platinum Group of Companies Limited | Hospitality | 2019 |
| Platinum Region Ltd | Real estate | 2025 |
| Platinum Renovations Ltd | Construction | 2024 |
| Plato Advisory Ltd | Professional & scientific | 2024 |
| Play Along TV Limited | Professional & scientific | 2002 |
| Playing Cupid Limited | Other services | 2017 |
| Plaza Wokingham Limited | Real estate | 2025 |
| Pleasance Ltd | Manufacturing | 2019 |
| Pleiadian Spectrum Ltd | Health & social care | 2026 |
| Plot Properties Limited | Real estate | 2019 |
| Pluggedbysng Ltd | Wholesale & retail | 2025 |
| Plumar Limited | Construction | 2022 |
| Plumber World Ltd | Wholesale & retail | 2022 |
| Plumbers Stop Ltd | Wholesale & retail | 2023 |
| Plumbers Zone Limited | Wholesale & retail | 2020 |
| Plumbfix Buildwise Ltd | Construction | 2025 |
| Plumbing and More 4U Ltd | Construction | 2018 |
| Plumbonline Ltd | Wholesale & retail | 2023 |
| Plumbpart Limited | Construction | 1997 |
| Plumbzone Ltd | Construction | 2020 |
| Plush Mansions Ltd | Construction | 2016 |
| Plutos Inspiration Ltd | Wholesale & retail | 2017 |
| Plutos Property Ltd | Construction | 2019 |
| PM Carers Limited | Health & social care | 2019 |
| PM London Builder Ltd | Construction | 2015 |
| PM Prospect Limited | Information & communication | 2012 |
| PM Transformation Services Ltd | Information & communication | 2020 |
| PM UN - Limited | Wholesale & retail | 2018 |
| PMO Services Limited | Information & communication | 2015 |
| PNC Group Ltd | Transport & logistics | 2018 |
| PNM Cars Ltd | Wholesale & retail | 2024 |
| Pnnv Properties Ltd | Real estate | 2023 |
| Pocket Accts Ltd | Professional & scientific | 2025 |
| Poddar Properties Limited | Real estate | 2020 |
| Poespedition Ltd | Transport & logistics | 2017 |
| Pogor Ltd | Construction | 2023 |
| Pokhrel Foundation Ltd. | Administrative & support | 2009 |
| Polani Travel Limited | Administrative & support | 1998 |
| Polish Clan Association CIC | Information & communication | 2023 |
| Polish Financial House Limited | Financial services | 2017 |
| Polish Shop PVT Limited | Wholesale & retail | 2018 |
| Polo Tiles Ltd | Wholesale & retail | 2026 |
| Polygon Properties Limited | Real estate | 2001 |
| Pooja Sweets (Hounslow) Ltd | Manufacturing | 2024 |
| Poole Construction Limited | Construction | 2015 |
| Poply Food and Wine Ltd | Wholesale & retail | 2025 |
| Popped in Ltd | Hospitality | 2023 |
| Popstyle Limited | Wholesale & retail | 2024 |
| Popvirt Limited | Other services | 2021 |
| Porcestone Ltd | Manufacturing | 2025 |
| Portlane Logistics Ltd | Transport & logistics | 2020 |
| Positive Energy Care Ltd | Health & social care | 2021 |
| Post That Ltd | Wholesale & retail | 2025 |
| Postcode Services Limited | Transport & logistics | 2024 |
| Potential Employment UK Limited | Administrative & support | 2022 |
| PR Data Solutions Ltd | Information & communication | 2024 |
| PR UK Group Limited | Real estate | 2020 |
| Prabh Motors Ltd | Wholesale & retail | 2026 |
| Prabhi and Veer 1 Ltd | Financial services | 2025 |
| Prabmehar Ltd | Wholesale & retail | 2023 |
| Praguemed Ltd | Education | 2020 |
| Prakash Enterprises Ltd | Real estate | 2016 |
| Pranab’S Culinary Collective Ltd | Hospitality | 2025 |
| Pranav Entertainment Ltd | Arts & recreation | 2022 |
| Pranavam Solutions Ltd | Information & communication | 2025 |
| Prathibha Limited | Information & communication | 2025 |
| Pratico Ltd | Wholesale & retail | 2026 |
| Pratrade Limited | Wholesale & retail | 2021 |
| Praveen Limited | Real estate | 2026 |
| Pravidha Mart Limited | Wholesale & retail | 2026 |
| Praxis Properties Limited | Real estate | 2021 |
| PRB Essentials Limited | Real estate | 2026 |
| Precision Panels Limited | Manufacturing | 2024 |
| Preetconstructions & Buildcraft Ltd | Construction | 2026 |
| Preets Ltd | Information & communication | 2016 |
| Prefectos IT Ltd | Information & communication | 2020 |
| Preloved Aids Limited | Wholesale & retail | 2025 |
| Premier Food & Wine (Whitton) Ltd | Wholesale & retail | 2014 |
| Premier House Lettings Ltd | Real estate | 2012 |
| Premier House of Foods Ltd | Wholesale & retail | 2023 |
| Premier Lift Group Limited | Administrative & support | 2020 |
| Premier Local Store Limited | Wholesale & retail | 2018 |
| Premier Platform Lifts UK Limited | Administrative & support | 2012 |
| Premier Tech Digital Ltd | Information & communication | 2023 |
| Premier Tech Distribution Ltd | Information & communication | 2019 |
| Premier Tech Supply Chain Services Ltd | Transport & logistics | 2023 |
| Premier Tech Wholesale Ltd | Wholesale & retail | 2022 |
| Premier's Local Limited | Wholesale & retail | 2022 |
| Premium Automobile Ltd | Wholesale & retail | 2025 |
| Premium Automotive Service Ltd | Wholesale & retail | 2022 |
| Premium Contracting Ltd. | Construction | 2022 |
| Premium Gourmet Ltd | Wholesale & retail | 2025 |
| Premium House Mary Ltd | Real estate | 2025 |
| Premium IT & Hosting Reseller Ltd | Wholesale & retail | 2024 |
| Premium Mobiles and Accessories Ltd | Wholesale & retail | 2021 |
| Premium Stone & Construction Ltd | Construction | 2024 |
| Premsons Logistics Ltd | Transport & logistics | 2017 |
| Prescott Data UK Limited | Information & communication | 2025 |
| Prestbury Property Investments Ltd | Real estate | 2017 |
| Prestige Automobiles Limited | Wholesale & retail | 2014 |