| Professional Media Solutions Ltd. | Wholesale & retail | 2007 |
| Professional Property Finance Limited | Financial services | 2023 |
| Professional Property Residential Services Ltd | Financial services | 2024 |
| Profile Bodywear (Imports) Limited | | 2008 |
| Profiled Limited | Other services | 2008 |
| Profleet Solutions Ltd | Administrative & support | 2021 |
| Profloor Direct Limited | Construction | 2019 |
| Progress Marketing Limited | Professional & scientific | 2003 |
| Progress Property Consultants Limited | Professional & scientific | 2024 |
| Prohealth Consulting Services Ltd | Professional & scientific | 2025 |
| Project AJP Limited | Real estate | 2024 |
| Project Room Kitchens & Bedrooms Limited | Wholesale & retail | 2016 |
| Project Room Limited | Manufacturing | 2015 |
| Projectmanagementit Ltd | Professional & scientific | 2019 |
| Projectsnaplabs Ltd | Information & communication | 2025 |
| Proman Consultancy Ltd | Professional & scientific | 2013 |
| Promatica Limited | Information & communication | 2000 |
| Pronto Capital Limited | Administrative & support | 2007 |
| Prop Hire by Elite Ltd | Administrative & support | 2025 |
| Propel Tech Ltd | Information & communication | 2007 |
| Properties by Brook Ltd | Real estate | 2024 |
| Properties of Foster Ltd | Real estate | 2020 |
| Properties of Pulse Ltd | Real estate | 2021 |
| Property 79 Limited | Real estate | 2017 |
| Property by Jones Limited | Real estate | 2020 |
| Property Eight Ltd | Real estate | 2022 |
| Property Industry Services Retail Ltd | Construction | 2019 |
| Property Investment Complete Church Limited | Construction | 2023 |
| Property Investment Complete Limited | Real estate | 2018 |
| Property Investment Complete Monarch House Limited | Construction | 2023 |
| Property Investment Complete North West Ltd | Construction | 2019 |
| Property Investment International Ltd | Real estate | 2013 |
| Property Mango Ltd | Real estate | 2022 |
| Property Services Umbrella Limited | Financial services | 2020 |
| Property Tax Valuation Ltd | Real estate | 2015 |
| Propipe Services Ltd | Construction | 2024 |
| Propulsion Marine Limited | Manufacturing | 2015 |
| Proshen Health & Risk Consulting Ltd. | Information & communication | 2015 |
| Prospect Couriers Yorkshire Limited | Transport & logistics | 2019 |
| Prot Care Ltd | Health & social care | 2022 |
| Protec Boilers Limited | Wholesale & retail | 2018 |
| Protect Your Loved Ones Limited | Financial services | 2013 |
| Protect-Myfamily Ltd | Financial services | 2018 |
| Protectavan Group Holdings Ltd | Financial services | 2025 |
| Protectavan Limited | Manufacturing | 2000 |
| Protected Courier Services Ltd | Transport & logistics | 2014 |
| Proveer Brickwork Solutions Limited | Construction | 2023 |
| Pruvve Sports Ltd | Information & communication | 2024 |
| PSA Consulting Engineers Limited | Professional & scientific | 2009 |
| PSA Estates Limited | Real estate | 2023 |
| PSA Services Limited | Transport & logistics | 2016 |
| PSG Commercial Advisory Limited | Professional & scientific | 2026 |
| PSG Leeds Ltd Ltd | Construction | 2026 |
| PSL Industries Ltd | Wholesale & retail | 2024 |
| Psychiatric Reports and Medicolegal Services Ltd | Health & social care | 2012 |
| PT & ME Limited | Information & communication | 2025 |
| PT Fabrication & Welding Services Limited | Extraterritorial | 2018 |
| PT With Petch Ltd | Health & social care | 2023 |
| PTC360 Solutions Ltd | Construction | 2012 |
| PTK Transport Ltd | Transport & logistics | 2024 |
| Public Arts | Arts & recreation | 1986 |
| Pullman Enterprises Ltd | Wholesale & retail | 2025 |
| Pumford & SON Properties Limited | Real estate | 2026 |
| Pure Aura Ltd | Manufacturing | 2025 |
| Pure Energy Go Limited | Information & communication | 2023 |
| Pure Grafix Ltd | Manufacturing | 2022 |
| Pure Joy Mushrooms Limited | Manufacturing | 2022 |
| Pure Learning and Development Limited | Administrative & support | 2014 |
| Pure Property Group Limited | Real estate | 2018 |
| Pure Purchasing Consultants Ltd | Wholesale & retail | 2013 |
| Pureclean Car Care Limited | Administrative & support | 2022 |
| Purelec Energy Ltd | Construction | 2014 |
| Purelee Ltd | Arts & recreation | 2015 |
| Purple Nova Limited | Wholesale & retail | 2021 |
| Purpleweb Creative Ltd | Professional & scientific | 2016 |
| Purr and Mutt Limited | Wholesale & retail | 2021 |
| PW Holiday Lets UK Ltd | Hospitality | 2025 |
| PW IT Services Limited | Other services | 2023 |
| PX Motors Ltd | Wholesale & retail | 2023 |
| Pyramid Coaching & Consultancy Ltd | Information & communication | 2021 |
| Pyramidion Ltd | Other services | 2017 |
| Python Global Ltd | Wholesale & retail | 2026 |
| Q & a Motor Group Ltd | Wholesale & retail | 2025 |
| Q Rooms Ltd | Hospitality | 2021 |
| Q Scents Online Limited | Other services | 2022 |
| Q'Selectrics Ltd | Construction | 2025 |
| Qandil Travel Ltd | Administrative & support | 2025 |
| QCR Quantitative Commodity Research Limited | Administrative & support | 2007 |
| QEL Services Limited | Professional & scientific | 2007 |
| Qlet Limited | Real estate | 2024 |
| Qloudy Ltd | Information & communication | 2020 |
| QPS Solutions Limited | Wholesale & retail | 2009 |
| Qsons Limited | Transport & logistics | 2020 |
| Qualcaas Ltd | Professional & scientific | 2019 |
| Quality Assessment Solutions Limited | Professional & scientific | 2009 |
| Quality Yorkshire Homes Limited | Real estate | 2009 |
| Quantify Talent Limited | Administrative & support | 2024 |
| Quantum Electric Solutions Limited | Construction | 2024 |
| Quantum Networking Solutions Ltd | Information & communication | 2003 |
| Quantum Property Ventures Limited | Real estate | 2025 |