| P1 Fencing Limited | Construction | 2011 |
| P1 Garden Services Limited | Construction | 2013 |
| P1 Landscaping Limited | Other services | 2017 |
| P1 Property Limited | Real estate | 2015 |
| P1 Solutions Ltd | Construction | 1977 |
| P2NZ Limited | Extraterritorial | 2023 |
| P4C Healthcare Ltd | Hospitality | 2021 |
| P4C Homecare Ltd | Administrative & support | 2019 |
| P4G Holdings Ltd | Information & communication | 2025 |
| PA Lettings Ltd | Real estate | 2025 |
| PA Mclaughlin Limited | Financial services | 2011 |
| Pa-Rent (Scotland) Limited | Information & communication | 2021 |
| Pablo Eggs EDI Ltd | Hospitality | 2023 |
| Pace Anti-Piracy Europe Ltd | Information & communication | 2021 |
| Pace Scientific Limited | Health & social care | 2023 |
| Pacemore Holdings Limited | Financial services | 2023 |
| Pacesetters Dynamic Globalconsultancy Ltd | Administrative & support | 2023 |
| Pacheco Advisory Consulting LP | | 2025 |
| Pacific Assets Trust Public Limited Company | Financial services | 1984 |
| Pacific Business Resources LP | | 2015 |
| Pacific Caledonian Properties Limited | Professional & scientific | 1985 |
| Pacific Corporation L.P. | | 2011 |
| Pacific Harbour SP | | 2003 |
| Pacific Inc LP | | 2016 |
| Pacific Marine Alliance LP | | 2018 |
| Pacific Pines Ltd | Professional & scientific | 2025 |
| Pacific Project LP | | 2013 |
| Pacific Property Limited | Real estate | 2019 |
| Pacific Shelf 1047 Limited | Professional & scientific | 2001 |
| Pacific Shelf 1218 Limited | Manufacturing | 2003 |
| Pacific Shelf 1465 Limited | Administrative & support | 2007 |
| Pacific Shelf 636 Limited | Extraterritorial | 1995 |
| Pacific Shelf 888 Limited | Construction | 1999 |
| Pacific Wall LP | | 2016 |
| Pacioli BIZ Forecast Ltd | Information & communication | 2020 |
| Pacitti Property Ltd | Real estate | 2026 |
| Pack Performance Gyms Ltd | Arts & recreation | 2024 |
| Packard Barry Holdings Ltd | Financial services | 2015 |
| Packbet LP | | 2017 |
| Packer Associates Ltd. | Professional & scientific | 1989 |
| Packetlight Systems LP | | 2012 |
| Packo Invest LP | | 2015 |
| Pacla Medical Limited | Professional & scientific | 2015 |
| Pacman Contracting Ltd | Transport & logistics | 2014 |
| Pacora Trade LP | | 2015 |
| Pact Media Ltd | Professional & scientific | 2020 |
| Pact Venture Partners CIP L.P. | | 2022 |
| Pact Venture Partners II LLP | | 2022 |
| Pacwell Systems LP | | 2013 |
| PAD Developments (Scotland) Ltd | Real estate | 2015 |
| Pada Vastu Limited | Construction | 2017 |
| Padan Limited | Real estate | 2023 |
| Padel Clan Ltd | Construction | 2026 |
| Padel Scotland Ltd | Arts & recreation | 2015 |
| Padel Tech Limited | Construction | 2016 |
| Padicode L.P. | | 2014 |
| Padmādhī Ltd | Manufacturing | 2025 |
| Paducah SP | | 2003 |
| Paelio Production LP | | 2017 |
| Pafez Ltd | Construction | 2024 |
| Pafos Mill LP | | 2012 |
| Pafpouf Co Ltd | Real estate | 2024 |
| Pagan Osborne Limited | Professional & scientific | 2001 |
| Pageant Enterprises & Co | | 1994 |
| Pagecord Ltd | Information & communication | 2026 |
| Pagletto Group LP | | 2019 |
| Pagoda Recheers LP | | 2016 |
| PAI Europe VI Founder Partner LP | | 2012 |
| Pain Concern | Information & communication | 2016 |
| Pain Recovery Clinic Ltd. | Health & social care | 2014 |
| Paint Rock SP | | 2003 |
| Paintball and Airsoft Edinburgh Ltd | Arts & recreation | 2018 |
| Painted Horse Investments Limited | Administrative & support | 2003 |
| Painted Porch Consultancy Ltd | Professional & scientific | 2025 |
| Painting the Capital Ltd | Construction | 2016 |
| Painttec Ltd | Construction | 2018 |
| Paion Holdings UK Limited | Financial services | 1996 |
| Paisley Construction Company Limited | Construction | 2023 |
| Paisley Flooring Company Limited | Construction | 2023 |
| Paisley Newton | | 1991 |
| Paisley Office Design Limited | Construction | 2023 |
| Paisley VW Centre (Holdings) Limited | Other services | 2024 |
| PAK 78 Ltd | Wholesale & retail | 2025 |
| PAK Halal Limited | Manufacturing | 2020 |
| Pakcelona Ltd | Transport & logistics | 2019 |
| Pakistan Society Advice & Information Services Ltd. | Other services | 2005 |
| Pakvest Management LP | | 2012 |
| PAL Medexpert Ltd | Professional & scientific | 2024 |
| PAL Tiya Ltd | Professional & scientific | 2024 |
| Palace Distribution L.P. | | 2011 |
| Palace Investments Corp. | | 2009 |
| Palaceview Developments Limited | Construction | 2024 |
| Paladin G.P. Ltd. | Wholesale & retail | 1984 |
| Palameda Group LP | | 2011 |
| Palameda Smart LP | | 2017 |
| Palamon Capital Partners, LP | | 1999 |
| Palamon II Holdings, L.P. | | 2024 |
| Palamon III Holdings, L.P. | | 2019 |
| Palatine Feeder GP Limited | Professional & scientific | 2011 |
| Palatine Founder Partner GP LLP | | 2014 |