| Plant Force (UK) Ltd | Agriculture & fishing | 2026 |
| Plant Hire Management Ltd | Administrative & support | 2020 |
| Plant Plate Trading AS the Bistro Limited | Hospitality | 2021 |
| Plant Property Holdings Ltd | Real estate | 2020 |
| Plant to Go Ltd | Administrative & support | 2023 |
| Plantation Shutters Liverpool Limited | Wholesale & retail | 2026 |
| Planthaya Limited | Wholesale & retail | 2019 |
| Planty Haus Limited | Wholesale & retail | 2021 |
| Plaro Property Ltd | Real estate | 2025 |
| Plas Property Management Limited | Real estate | 2015 |
| Plasma Fresh Limited | Manufacturing | 2023 |
| Plasma Metal Art Limited | Manufacturing | 2016 |
| Plasma Tech Spain Ltd | Manufacturing | 2017 |
| Plasmapen Ltd | Wholesale & retail | 2021 |
| Plastech Holdings Limited | Financial services | 2019 |
| Plastech Limited | Manufacturing | 1994 |
| Plastech Systems Limited | Financial services | 2024 |
| Plastech Titan Limited | Financial services | 2022 |
| Plasterboard UK Ltd | Wholesale & retail | 2025 |
| Plastic Consultancy Limited | Health & social care | 2015 |
| Plastic Pipe Distribution Limited | Extraterritorial | 2017 |
| Plastic Recycling Limited | Manufacturing | 2013 |
| Plastic Tactics C.I.C. | Education | 2018 |
| Plastics and Veneers (Sales) Limited | Wholesale & retail | 1963 |
| Plastics and Veneers Limited | Manufacturing | 1958 |
| Plasto-Sac UK Limited | Manufacturing | 1999 |
| Platform Energy Ltd | Energy | 2026 |
| Platform Performance Services Limited | Arts & recreation | 2026 |
| Platinum Airconditioning Services Limited | Construction | 2015 |
| Platinum Beauty Studios Ltd | Other services | 2021 |
| Platinum Bidco Limited | Financial services | 2023 |
| Platinum Crystal Clear Co Ltd | Professional & scientific | 2025 |
| Platinum Dance Limited | Health & social care | 2023 |
| Platinum Decorators Limited | Construction | 2016 |
| Platinum Dimzi Medicare Limited | Health & social care | 2023 |
| Platinum Express Care Plus Ltd | Administrative & support | 2020 |
| Platinum Freight Management Limited | Transport & logistics | 2018 |
| Platinum Healthcare Consultants Limited | Health & social care | 2016 |
| Platinum Housing Services Ltd | Real estate | 2025 |
| Platinum HR Solutions Ltd | Administrative & support | 2025 |
| Platinum Logistics and Removals UK Ltd | Transport & logistics | 2023 |
| Platinum Ndubz Ltd | Hospitality | 2025 |
| Platinum NO.1 Ltd | Wholesale & retail | 2025 |
| Platinum People Consulting Limited | Administrative & support | 2022 |
| Platinum Rigging UK Ltd | Information & communication | 2022 |
| Platinum RTM Company Limited | Administrative & support | 2011 |
| Platinum Signature Stay Limited | Real estate | 2008 |
| Platinum SPV Limited | Financial services | 2023 |
| Platinum Windows (NW) Ltd | Manufacturing | 2020 |
| Platinumscape Ltd | Administrative & support | 2021 |
| Plato Logic Limited | Professional & scientific | 1992 |
| Platoform Technologies Ltd | Education | 2025 |
| Platts Build and Carpentry Ltd | Construction | 2024 |
| Plattsville Bakehouse Ltd | Manufacturing | 2020 |
| Plattsville Holdings Limited | Real estate | 2022 |
| Plaxel Plasma Liverpool Ltd | Professional & scientific | 2025 |
| Play Away (Eshton Grange) | Other services | 2004 |
| Play Box Events UK Ltd | Administrative & support | 2024 |
| Play IT Forward Liverpool Limited | Arts & recreation | 2023 |
| Play Pals Northwest Ltd | Arts & recreation | 2025 |
| Play Sports at Formby Ltd | Arts & recreation | 2025 |
| Play Studios Liverpool Ltd | Health & social care | 2017 |
| Play Therapy Matters Limited | Education | 2023 |
| Play-On Recruitment Limited | Administrative & support | 2025 |
| Playback Live Ltd | Information & communication | 2017 |
| Playback Studios PVT Ltd | Information & communication | 2026 |
| Playboss Interactive Ltd | Information & communication | 2018 |
| Player Machine Sports Ltd | Arts & recreation | 2018 |
| Player Performance Hub Ltd | Real estate | 2024 |
| Playerpro ITC C.I.C. | Arts & recreation | 2024 |
| Playerpro Ltd | Education | 2019 |
| Playfer Holdings Limited | Financial services | 2023 |
| Playful Palms Ltd | Health & social care | 2025 |
| Playgroundsquad UK Ltd | Information & communication | 2013 |
| Playing IT Forward CIC | Education | 2026 |
| Playr Social Ltd | Arts & recreation | 2026 |
| PLAYTIME4ME Trading Limited | Wholesale & retail | 2018 |
| Playtots Limited | Education | 2006 |
| Plaza Community Cinema | Arts & recreation | 1997 |
| Plaza House Property Ltd | Construction | 2023 |
| Plaza Retail Limited | Extraterritorial | 2010 |
| Plaza Wholesale Ltd | Extraterritorial | 2010 |
| PLB Holdings Limited | Financial services | 2019 |
| Pleasure Drome International Limited | Real estate | 1999 |
| Plettac Security UK Limited | Manufacturing | 1996 |
| Plews Cooling Solutions Ltd | Construction | 2025 |
| PLH (Liverpool) Ltd | Hospitality | 2019 |
| PLH Settles Ltd | Administrative & support | 2025 |
| Plisa Ltd | Mining & quarrying | 2022 |
| PLJ Communication Services Ltd | Information & communication | 2013 |
| PLJ Projects Limited | Hospitality | 2023 |
| PLK Group Limited | Construction | 2023 |
| PLK MAN Ltd | Financial services | 2024 |
| PLL Services (NW) Ltd | Construction | 2026 |
| PLM & Co Ltd | Professional & scientific | 2010 |
| PLM Electrics Northwest Limited | Construction | 2025 |
| PLM Property Limited | Real estate | 2016 |
| Plmg UK Ltd | Real estate | 2025 |
| Plmgroup Limited | Professional & scientific | 2005 |
| Plouatare Ltd | Transport & logistics | 2024 |