| Play Barn Treasures Limited | Wholesale & retail | 2025 |
| Playtime Netherlands Limited | Administrative & support | 2009 |
| Playvora Limited | Information & communication | 2026 |
| PLB Development Associates Limited | Professional & scientific | 2014 |
| Plevey & Sons Limited | Wholesale & retail | 2010 |
| PLF Aesthetics Limited | Other services | 2022 |
| Plinking Awesome Limited | Wholesale & retail | 2020 |
| PLM International Ltd | Transport & logistics | 2026 |
| Plot Drop Ltd | Information & communication | 2026 |
| Plowright Court Limited | Households | 2012 |
| Plpg Ltd | Professional & scientific | 2018 |
| Plum-Star Ltd | Construction | 2015 |
| Plumb Polymers Limited | Water & waste | 2000 |
| Plumb South Yorkshire Ltd | Construction | 2023 |
| Plumb Task Plumbing and Heating Ltd | Construction | 2022 |
| Plumbgroup-Uk Ltd | Construction | 2015 |
| Plumbing & Heating Installations Ltd | Construction | 2009 |
| Plumbing ABC Limited | Construction | 2024 |
| Plumpton Designs Limited | | 1985 |
| Plumtree Investments Limited | Real estate | 2016 |
| Plus Venture Limited | Professional & scientific | 2010 |
| PM Finance Luxe Ltd | Professional & scientific | 2023 |
| PM Leadership Solutions Ltd | Professional & scientific | 2023 |
| PM Models Ltd | Wholesale & retail | 2017 |
| PM Professional Services Limited | Professional & scientific | 2016 |
| PM Rail Construction UK Ltd | Construction | 2013 |
| PMC Developments (Doncaster) Limited | Construction | 2016 |
| PMD Logistic Ltd | Transport & logistics | 2025 |
| PMD Products Ltd | Wholesale & retail | 2024 |
| Pmet Consulting Ltd | Manufacturing | 2024 |
| PMF Products Limited | Manufacturing | 2005 |
| PMJ Property Development Limited | Real estate | 2024 |
| PMS Groundworks Ltd | Administrative & support | 2026 |
| PMSBTY19 Ltd | Transport & logistics | 2019 |
| PMW Management (Talent) Limited | Professional & scientific | 2012 |
| PNB Food Limited | Wholesale & retail | 2019 |
| Pndigital Ltd | Information & communication | 2018 |
| Pnng Ltd | Financial services | 2019 |
| Pnuk Ltd | Information & communication | 2008 |
| Pocket Oak Limited | Extraterritorial | 2026 |
| Pocket of Light Theatre Company Limited | Arts & recreation | 2024 |
| POD Bods Ltd | Construction | 2020 |
| Pohbs Limited | Other services | 2021 |
| Point One Community Ltd | Professional & scientific | 2025 |
| Point One Mgmt Ltd | Professional & scientific | 2026 |
| Point to Point Engineering Limited | Manufacturing | 2024 |
| Points Fitter Ltd | Construction | 2026 |
| Poison Kandy Ltd | Other services | 2021 |
| Poke Stash Ltd | Wholesale & retail | 2026 |
| Pokeellis Ltd | Wholesale & retail | 2026 |
| Pokhara Shop UK Ltd | Wholesale & retail | 2026 |
| Polar Pumps Limited | Manufacturing | 1966 |
| Polar Training Limited | Extraterritorial | 2009 |
| Polat Kitchen Limited | Hospitality | 2024 |
| Polestar Capital Ltd | Extraterritorial | 2025 |
| Polestar Seafood Limited | Wholesale & retail | 2010 |
| Polish Business House Ltd | Information & communication | 2013 |
| Polish Culture & Art Organisation CIC | Information & communication | 2025 |
| Polish School of Nicolaus Copernicus in Doncaster | Education | 2023 |
| Pollybell Farms Limited | Agriculture & fishing | 1993 |
| Polska Tradycja Limited | Wholesale & retail | 2026 |
| Polski Ryneczek Ltd | Wholesale & retail | 2019 |
| Polydon Industrial Holdings Limited | Financial services | 2013 |
| Polydon Industries Limited | Manufacturing | 1985 |
| Polymorphic Holding Limited | Financial services | 2024 |
| Poojith Ltd | Hospitality | 2025 |
| POP Trans Ltd | Transport & logistics | 2018 |
| POP Works (Doncaster) Limited | Hospitality | 2022 |
| Pop-Up Scaffold Ltd | Extraterritorial | 2025 |
| Popard Mini Market Limited | Wholesale & retail | 2025 |
| Popcorn Planet Ltd | Extraterritorial | 2025 |
| Popesafety Limited | Professional & scientific | 2019 |
| Popeye's Pizza Limited | Hospitality | 2023 |
| Poplar Farm Software Ltd | Information & communication | 2023 |
| Poppies (U.K.) Development Limited | Administrative & support | 2002 |
| Poppies of Doncaster Limited | Other services | 2011 |
| Poppleton Decorating Company Limited | Extraterritorial | 2009 |
| Poppleton Holdings Limited | Financial services | 2025 |
| Poppleton Property Consultancy Limited | Financial services | 2010 |
| Poppy 2018 Ltd | Transport & logistics | 2018 |
| Poppy Jasper CIC | Health & social care | 2024 |
| Poppy's Coffee Lounge Limited | Hospitality | 2025 |
| Popupalot Limited | Wholesale & retail | 2016 |
| Popvault Ltd | Wholesale & retail | 2026 |
| Porcelain Island Ltd | Wholesale & retail | 2026 |
| Porteous Saunders Ltd | Extraterritorial | 2023 |
| Porter Taylor Associates Ltd | Professional & scientific | 2006 |
| Porters Fruit & VEG Ltd | Wholesale & retail | 2016 |
| Porters Hair Salon Ltd | Other services | 2026 |
| Portfield Garrard & Wright Limited | Real estate | 2006 |
| Portico Publishing Limited | Information & communication | 2003 |
| Portland Business Park Limited | Real estate | 2022 |
| Portland of Bawtry Limited | Wholesale & retail | 1991 |
| Portrush Limited | Extraterritorial | 2012 |
| Portward Environmental Ltd | Professional & scientific | 2010 |
| Portward Homes Limited | Construction | 2006 |
| Poseidon Fish Bar Askern Ltd | Hospitality | 2024 |
| Poseidon Ship Recycling Limited | Manufacturing | 2022 |
| Positive Community Care Limited | Health & social care | 2001 |
| Positive Engagement Limited | Health & social care | 2018 |