| Postcode Society Trust | Arts & recreation | 2014 |
| Postcode Support Trust | Arts & recreation | 2015 |
| Postlogistics Limited | Transport & logistics | 2025 |
| Potcoffee Ltd | Extraterritorial | 2024 |
| Potestatem Holdings LLP | | 2016 |
| Potoba Foods Gorgie Ltd | Wholesale & retail | 2024 |
| Potoba Ltd | Wholesale & retail | 2022 |
| Potstewart Trading & Investors | | 1994 |
| Potters Tree Services Limited | Administrative & support | 2017 |
| Poulsen Management LP | | 2013 |
| Poultry Company L.P. | | 2009 |
| Pounce Padel Ltd | Wholesale & retail | 2024 |
| Pound Spinner Limited | Wholesale & retail | 2010 |
| Poundsavers Property Limited | Real estate | 2025 |
| Poundsavers Scotland Ltd | Wholesale & retail | 2009 |
| Pouryan Limited | Other services | 2022 |
| Povelli LP | | 2016 |
| Poview.Ai Limited | Information & communication | 2024 |
| Powderhall Village Owners Ltd | Real estate | 2014 |
| Powderkeg Production Limited | Administrative & support | 2021 |
| Powellite Impact Ltd | Information & communication | 2020 |
| Power Circle Ltd | Energy | 2020 |
| Power Commercial L.P. | | 2012 |
| Power Edge UK Ltd | Administrative & support | 2024 |
| Power Electronics Design Limited | Professional & scientific | 2007 |
| Power Enable Solutions Limited | Professional & scientific | 2017 |
| Power Engineering LP | | 2018 |
| Power Management LP | | 2016 |
| Power Place Publishing LP | | 2015 |
| Power Shard Transit LP | | 2015 |
| Power Source Worldwide L.P. | | 2008 |
| Power Surge Games Ltd. | Information & communication | 2017 |
| Power Way LP | | 2016 |
| Power-Dowie Products Limited | Wholesale & retail | 2024 |
| Powerdrain Solutions Ltd | Professional & scientific | 2012 |
| Powered by Tea Limited | Information & communication | 2019 |
| Powerful Advisory Services L.P. | | 2012 |
| Powerful Business LP | | 2016 |
| Powerful Woman LP | | 2023 |
| Powerhouse Marketing & Promotions Ltd. | Professional & scientific | 1990 |
| Powermapper Software Limited | Information & communication | 2009 |
| Powernet Exit LP | | 2017 |
| Powerplus Support Limited | Information & communication | 2000 |
| Powerteam Trading LP | | 2015 |
| Powertech Industries L.P. | | 2011 |
| Powertek Group Holdings Limited | Administrative & support | 2026 |
| Powertex UK and Ireland Distribution Limited | Manufacturing | 2026 |
| Powertrain Solution LP | | 2019 |
| Poxar Ventures LP | | 2010 |
| Poyton Trading LP | | 2012 |
| PP Beauty Lounge Ltd | Other services | 2019 |
| Ppan Investments Limited | Real estate | 2022 |
| PPC (Scotland) Limited | Wholesale & retail | 2025 |
| PPE Germany LP | | 2011 |
| PPE TCR LP | | 2008 |
| Ppet Investments Limited | Financial services | 2025 |
| Ppfbco Limited | Manufacturing | 2000 |
| Ppks Enterprises Ltd | Wholesale & retail | 2026 |
| PPLM1 Ltd | Households | 2024 |
| PPM (UK) Ltd | Other services | 2012 |
| PPM Managers GP Limited | Administrative & support | 2013 |
| PPM Managers Partnership CI VII (a) LP | | 2013 |
| PPM Managers Partnership VII (a) LP | | 2013 |
| PPP Services (North Ayrshire) Holdings Limited | Administrative & support | 2005 |
| PPP Services (North Ayrshire) Limited | Administrative & support | 2005 |
| PPP Solutions (Group) Limited | Administrative & support | 2025 |
| Ppqq Limited | Professional & scientific | 2022 |
| PPS Midlands Limited | Transport & logistics | 2002 |
| Pptl Investment LP | | 2010 |
| PQP Holdings Limited | Professional & scientific | 2014 |
| PR33S Ltd | Hospitality | 2019 |
| Prachall Limited | Administrative & support | 2016 |
| Practical Ventures Limited | Information & communication | 2011 |
| Practice Building Limited | Professional & scientific | 2000 |
| Practice Resources LP | | 2014 |
| Practice Thinkers Ltd | Education | 2025 |
| Pradera European Retail Parks Carry (GP) LLP | | 2017 |
| Pradera European Retail Parks Carry L.P. | | 2017 |
| Pradera UK Carried Interest LP | | 2010 |
| Praesidian Capital Europe First GP Limited | Administrative & support | 2013 |
| Praesidian Capital Europe GP LLP | | 2013 |
| Praesidian Capital Europe I-A GP, LP | | 2013 |
| Praesidian Capital Europe I-B GP, LP | | 2013 |
| Praesidian Capital Europe Second GP Limited | Administrative & support | 2013 |
| Prairie DE Fleurs LP | | 2015 |
| Praise Global LP | | 2016 |
| Praketh Data and Testing Solutions Ltd | Administrative & support | 2016 |
| Praketh Properties Ltd | Real estate | 2021 |
| Praksis Property Limited | Real estate | 2024 |
| Praktik Management Consulting Ltd | Professional & scientific | 2012 |
| Praktik Rufflets Limited | Professional & scientific | 2023 |
| Prama Metal LP | | 2016 |
| Pramerica (Scots) CP GP LLP | | 2014 |
| Pramerica EVP CP LP | | 2015 |
| Pramerica PAN European Real Estate (Scots) LP | | 2015 |
| Pramerica Precap VI GP (Scots Feeder) LLP | | 2015 |
| Pramerica Property Partners Fund (Scotland) Limited Partnership | | 2007 |
| Pramerica Real Estate Capital I (Scotland) Limited Partnership | | 2010 |
| Pramerica Real Estate Capital I (Scots Feeder I) Limited Partnership | | 2011 |
| Pramerica Real Estate Capital I (Scots Feeder II) Limited Partnership | | 2011 |