| Pryce-Williams Limited | Professional & scientific | 2010 |
| Prycewilliams Consulting LLP | | 2019 |
| Prylis Studio Ltd | Information & communication | 2025 |
| Pryor Automotive Limited | Wholesale & retail | 2011 |
| Pryor Plumbing & Heating Limited | Construction | 2007 |
| PS Commercial Properties Ltd | Real estate | 2026 |
| PS Ecom Ltd | Wholesale & retail | 2024 |
| PS Lounge Ltd | Hospitality | 2025 |
| PS Property & Lettings Ltd | Real estate | 2023 |
| PS Sales and Distribution Ltd | Wholesale & retail | 2024 |
| PS SY (SBP) Limited | Real estate | 2020 |
| Psalter Developments Limited | Professional & scientific | 2003 |
| Psalter Property Company Limited | Real estate | 2014 |
| Psalter Works Ltd | Information & communication | 2012 |
| Pscyclops Events Limited | Administrative & support | 2014 |
| PSD Mechanical Services Ltd | Construction | 2013 |
| PSF Accountancy Limited | Professional & scientific | 2014 |
| PSI Medical Assessments’ Limited | Health & social care | 2024 |
| Psiuswl Ltd | Health & social care | 2020 |
| PSK Hospitality Management Limited | Administrative & support | 2025 |
| PSL EOT Limited | Financial services | 2025 |
| PSM Services Ltd | Information & communication | 2022 |
| PSM Transport Ltd | Transport & logistics | 2021 |
| PSN Homes UK Ltd | Real estate | 2022 |
| Psqestates Limited | Real estate | 2016 |
| Psychiatric Evaluation Services Ltd | Health & social care | 2025 |
| Psychnest Ltd | Administrative & support | 2025 |
| Psychology POD Ltd | Health & social care | 2026 |
| Psychreports Ltd | Health & social care | 2019 |
| Psyfr Ltd | Professional & scientific | 2018 |
| Psynergy Mental Health Ltd | Health & social care | 2019 |
| PT Health Economics Ltd | Professional & scientific | 2018 |
| PTA Developments Limited | Construction | 1990 |
| PTE Skills Ltd | Education | 2017 |
| Pterodactyl Bros. Limited | Administrative & support | 2025 |
| PTF Accounting 2019 LLP | | 2019 |
| Ptil Property Rentals Limited | Real estate | 2024 |
| PTL PVT Ltd | Wholesale & retail | 2026 |
| PTT Refractories UK Limited | Professional & scientific | 2011 |
| PTX Phones Limited | Wholesale & retail | 2019 |
| Pua-Labs Ltd | Professional & scientific | 2024 |
| PUB Haquers Limited | Hospitality | 2025 |
| Pubaid Limited | Other services | 2009 |
| Public Dreams Limited | Information & communication | 2020 |
| Publicspeakingacademy Limited | Education | 2013 |
| Pubstogo Ltd | Hospitality | 2024 |
| Puck and Press Limited | Manufacturing | 2022 |
| Puck Stop Limited | Wholesale & retail | 2009 |
| Puckafood Ltd | Hospitality | 2022 |
| Pudding PIE Catering (Wigley) Ltd | Hospitality | 2012 |
| Pudsey Plumbing & Heating Engineers Limited | Construction | 2004 |
| Puertollano Properties Ltd | Real estate | 2009 |
| Puffin House Limited | Real estate | 2022 |
| Puke POP Limited | Wholesale & retail | 2017 |
| Pule Hill Lodge Luxury Kennels Ltd | Other services | 2026 |
| Pulekhumri Ltd | Hospitality | 2022 |
| Pullan Development (Selby) Limited | Construction | 1983 |
| Pulleyn Mccoy Limited | Construction | 2015 |
| Pulmonary Hypertension Association UK | Health & social care | 2007 |
| Pulpd Ltd | Manufacturing | 2020 |
| Pulse Building Limited | Professional & scientific | 1998 |
| Pulse Medicare Training Ltd | Education | 2016 |
| Pulseintel Ltd | Information & communication | 2026 |
| Pulso Padel Limited | Professional & scientific | 2024 |
| Pump MIX Ltd | Construction | 2025 |
| Pump System Specialist Ltd | Professional & scientific | 2014 |
| Pumpkin Trade Limited | Wholesale & retail | 2025 |
| Pumpthelot.Com Limited | Wholesale & retail | 2004 |
| Punchbell Investments Limited | Extraterritorial | 1989 |
| Punchline Clothing Ltd | Wholesale & retail | 2024 |
| Puncta & Co. Limited | Professional & scientific | 2025 |
| Punda Haulage Limited | Transport & logistics | 2016 |
| Punhub Ltd | Wholesale & retail | 2020 |
| Punkfrock Limited | Information & communication | 2025 |
| Puppy Eyes Ltd | Wholesale & retail | 2017 |
| Puppy Steps Ltd | Other services | 2025 |
| Pupucheng Media Ltd | Professional & scientific | 2025 |
| Pupucheng Trading Limited | Wholesale & retail | 2025 |
| PUR Intention Limited | Wholesale & retail | 2016 |
| Pura Juice Ltd | Wholesale & retail | 2024 |
| Pura Panela Ltd | Wholesale & retail | 2017 |
| Puragen Engineering Limited | Professional & scientific | 2017 |
| Puragen Group Limited | Financial services | 2024 |
| Puragen Holdings Limited | Financial services | 2024 |
| Puragen International Limited | Financial services | 2019 |
| Puragen Limited | Wholesale & retail | 1990 |
| Puraniks Ltd | Health & social care | 2021 |
| Purdy's DIY & Kitchens Limited | Wholesale & retail | 2003 |
| Pure Dj's Limited | Other services | 2007 |
| Pure Evil Limited | Information & communication | 2018 |
| Pure Happi Homes Limited | Real estate | 2021 |
| Pure HPS Ltd | Hospitality | 2012 |
| Pure Life Supplements Ltd | Wholesale & retail | 2022 |
| Pure Luxe Cleaning Ltd | Administrative & support | 2025 |
| Pure Melt Limited | Manufacturing | 2012 |
| Pure PR Limited | Administrative & support | 1995 |
| Pure Property Services Ltd | Professional & scientific | 2020 |
| Pure Shipping Limited | Transport & logistics | 2015 |
| Pure Technical Services Limited | Professional & scientific | 2008 |
| Pure Vision EYE Care Limited | Health & social care | 2018 |