| Petrie Accountancy Services Ltd. | Professional & scientific | 2004 |
| Petrie Property Services Ltd | Households | 2023 |
| Petro Economics Ltd | Professional & scientific | 2011 |
| Petro Persia Ltd | Administrative & support | 2011 |
| Petro Pulse Investments Ltd | Financial services | 2026 |
| Petro Pulse Solutions Ltd | Other services | 2025 |
| Petrofac Facilities Management Africa Limited | Professional & scientific | 2006 |
| Petrofac Facilities Management Limited | Mining & quarrying | 1981 |
| Petrofac Training Group Limited | Mining & quarrying | 2000 |
| Petrofocus Limited | Information & communication | 1997 |
| Petroleumsoft Limited | Information & communication | 2017 |
| Petronick Engineering Services Limited | Professional & scientific | 2012 |
| Petroprod Consultants Limited | Professional & scientific | 2024 |
| Petroprompt Integrated Services Limited | Information & communication | 2016 |
| Petroprompt Properties Limited | Real estate | 2022 |
| Petros Holdings Limited | Real estate | 2026 |
| Petrosea Energies UK Limited | Mining & quarrying | 2025 |
| Petroseam Resources Limited | Administrative & support | 2013 |
| Petroshe Solutions Ltd | Other services | 2011 |
| Petrosphere Consulting Limited | Professional & scientific | 2025 |
| Petroventure.Uk Ltd | Professional & scientific | 2022 |
| Pfservices Ltd | Administrative & support | 2020 |
| PG Collective Limited | Wholesale & retail | 2023 |
| PG Globe Limited | Hospitality | 2019 |
| PG NDT Ltd | Professional & scientific | 2019 |
| Pgalben Ltd | Construction | 2022 |
| PGH E & C Engineering Ltd | Administrative & support | 2010 |
| PGS Property Investment Ltd | Hospitality | 2023 |
| PGS Property Maintenance Ltd | Construction | 2021 |
| Pgsubsea Ltd | Mining & quarrying | 2016 |
| PH7 Finance Limited | Professional & scientific | 2025 |
| Phake Media Ltd | Information & communication | 2026 |
| Phase 2 Fitness Wellness Limited | Arts & recreation | 2026 |
| Phase Projects Ltd | Professional & scientific | 2020 |
| Phil+Scot Solutions Ltd | Wholesale & retail | 2014 |
| Philabeg Films Limited | Information & communication | 1996 |
| Philfab Ltd | Manufacturing | 2026 |
| Philippa Shaw Design Limited | Administrative & support | 2007 |
| Phillips Payroll Ltd | Administrative & support | 2024 |
| Phillips Vehicle Garage Ltd | Wholesale & retail | 2022 |
| Philpott Construction Ltd | Construction | 2017 |
| Philze Properties Ltd | Real estate | 2021 |
| Phlebotomy Scotland Ltd | Health & social care | 2020 |
| PHM Digital Design Engineering Ltd | Professional & scientific | 2024 |
| Phoenix Airparks Ltd | Transport & logistics | 2026 |
| Phoenix Business Data Consulting Ltd | Information & communication | 2025 |
| Phoenix Completion Services Limited | Construction | 1982 |
| Phoenix Culture Communication Company Ltd | Administrative & support | 2017 |
| Phoenix Decom Ltd | Mining & quarrying | 2021 |
| Phoenix Investments (Scotland) Limited | Financial services | 2023 |
| Phoenix Joinery Services (Aberdeen ) Limited | Administrative & support | 2015 |
| Phoenix Oilfield Rentals Limited | Administrative & support | 2025 |
| Phoenix Property Services (Aberdeen) Limited | Construction | 2018 |
| Phoenix Stores Ltd | Wholesale & retail | 2015 |
| Phoenix Umbrella Commerce Ltd | Information & communication | 2024 |
| Phoenix Well Services Limited | Professional & scientific | 2018 |
| Phone Fit Ltd | Information & communication | 2023 |
| Phone FIX Ltd | Manufacturing | 2021 |
| Phonics for Literacy Ltd | Education | 2025 |
| Photogfx Media Limited | Information & communication | 2008 |
| PHP Lettings Scotland Limited | Real estate | 2008 |
| Phuel OIL Tools Limited | Mining & quarrying | 2004 |
| Phyte Club Ltd | Wholesale & retail | 2019 |
| PI Engineers Limited | Mining & quarrying | 2019 |
| Picturecell Films Ltd | Information & communication | 2025 |
| PID Consultancy Limited | Other services | 2012 |
| Pignomics Ltd | Professional & scientific | 2019 |
| Pillarstone Property Ltd | Real estate | 2018 |
| Pilotis Technology Limited | Information & communication | 2023 |
| Pincerna Limited | Hospitality | 2003 |
| Pinehearst Properties Ltd | Real estate | 2020 |
| Pinehurst Lodge Limited | Hospitality | 2013 |
| Pinewood Dental Laboratory Ltd. | Professional & scientific | 2010 |
| Pinewood Joinery Ltd | Manufacturing | 2020 |
| Pinfall Studios Limited | Information & communication | 2025 |
| Pinkerton Consultants Ltd. | Professional & scientific | 2017 |
| Pinkerton Creative Developments Ltd. | Construction | 2017 |
| Pinnacle Aberdeen Limited | Construction | 2013 |
| Pinnacle Consultative Services Ltd | Information & communication | 2023 |
| Pinnacle Consulting (Ellon) Ltd. | Administrative & support | 2007 |
| Pinnacle OIL & GAS Consultancy Limited | Professional & scientific | 2020 |
| Pinnacle Visualisation Ltd | Information & communication | 2013 |
| Pinny Drippy Ltd | Wholesale & retail | 2024 |
| Pinsent Masons Secretaries (Edinburgh) Limited | Extraterritorial | 1988 |
| Pioneer Planning Services Limited | Other services | 2011 |
| Piosanclothing Ltd | Wholesale & retail | 2025 |
| Pipedec Ltd | Professional & scientific | 2016 |
| Pipeline Cleaning Solutions Limited | Administrative & support | 2007 |
| Pipelines 2 Data (P2D) Holdings Limited | Financial services | 2012 |
| Pipelines 2 Data (P2D) Limited | Professional & scientific | 2006 |
| Pipelines 2 Data (P2D) Solutions Ltd | Professional & scientific | 2007 |
| Piper Seafoods Limited | Wholesale & retail | 1985 |
| Pipework Northern (UK) Limited | Wholesale & retail | 2007 |
| Pipin's Book Ltd | Information & communication | 2016 |
| Piping Solutions Limited | Professional & scientific | 2022 |
| Pipmato Limited | Administrative & support | 2004 |
| PIR Enterprise Consultancy Ltd | Professional & scientific | 2015 |
| Piri Piri Foods Ltd | Hospitality | 2025 |
| Pisara Ltd | Mining & quarrying | 2025 |
| Piscator 6 Limited | Professional & scientific | 2026 |