| Primereach Global Ltd | Hospitality | 2025 |
| Primeshore Engineering Limited | Professional & scientific | 2023 |
| Primevia Marketing Ltd | Information & communication | 2026 |
| Primora Cleaning and Facility Management Ltd | Administrative & support | 2026 |
| Primus Concept Limited | Information & communication | 2019 |
| Priom Care Ltd | Manufacturing | 2026 |
| Priscient Ideas Ltd | Information & communication | 2020 |
| Priscient Properties Ltd | Real estate | 2022 |
| Prism People Limited | Financial services | 2026 |
| Privacy Pathways Limited | Information & communication | 2025 |
| Private Property Investments Ltd | Real estate | 2022 |
| PRIYANKA45 Ltd | Wholesale & retail | 2024 |
| Prize Punt Ltd | Arts & recreation | 2021 |
| Prnv Sanjeevani Limited | Health & social care | 2012 |
| Pro Consultant UK Ltd | Professional & scientific | 2026 |
| Pro Deco Group Ltd | Construction | 2020 |
| Pro Fitness Group Limited | Arts & recreation | 2018 |
| Pro Handyman Plus Limited | Construction | 2018 |
| Pro Smile Clinic Ltd | Real estate | 2023 |
| Pro Style Renovations Ltd | Construction | 2017 |
| Pro-Sub Services Limited | Extraterritorial | 2010 |
| Pro-Tech Energy Ltd | Professional & scientific | 2021 |
| Proactis Tenders Limited | Information & communication | 1988 |
| Proactive Edge Qhse Limited | Professional & scientific | 2024 |
| Procare Global Limited | Health & social care | 2013 |
| Proces Risk Management Ltd | Professional & scientific | 2010 |
| Process Safety Solutions Ltd | Administrative & support | 2010 |
| Process Solutions (UK) Limited | Professional & scientific | 2007 |
| Prochem Energy Ltd | Professional & scientific | 2021 |
| Procjet Ltd | Wholesale & retail | 2025 |
| Proclean Aberdeen Limited | Administrative & support | 2025 |
| Procon - Technology Ltd | Construction | 2012 |
| Procon Specialist Limited | Administrative & support | 2023 |
| Prodchem Limited | Professional & scientific | 2025 |
| Prodevsolutions Ltd | Professional & scientific | 2023 |
| Prodex Connect Limited | Professional & scientific | 2025 |
| Prodrill Energy Resource Solutions Limited | Administrative & support | 2017 |
| Prodtech Ltd | Administrative & support | 2023 |
| Produce Suppliers Limited | Agriculture & fishing | 2007 |
| Product Pedigrees Ltd | Administrative & support | 2025 |
| Production Design Ltd | Professional & scientific | 2020 |
| Production Services Network (UK) Limited | Mining & quarrying | 2005 |
| Professional Electrology Ltd | Other services | 2013 |
| Professional Financial Advisers Limited | Financial services | 1988 |
| Professional Repair Ltd | Wholesale & retail | 2020 |
| Profile Aesthetic Ltd | Health & social care | 2020 |
| Profinish ABZ Ltd | Construction | 2026 |
| Profound Drilling Limited | Mining & quarrying | 2013 |
| Profound Technology Limited | Professional & scientific | 1989 |
| Prographic Solutions Ltd | Manufacturing | 2025 |
| Progress Coaching and Consulting Ltd | Professional & scientific | 2026 |
| Progressive Food Consultancy Limited | Administrative & support | 2007 |
| Progressive Property Services Ltd | Real estate | 2012 |
| Progressive Telecom Ltd | Information & communication | 2019 |
| Projchain Ltd | Information & communication | 2024 |
| Project Controls (UK) Limited | Professional & scientific | 2007 |
| Project Infinit Ltd. | Wholesale & retail | 2025 |
| Project Lane Ltd | Professional & scientific | 2023 |
| Project Management Integrity Services Ltd | Professional & scientific | 2017 |
| Project Properties (Quest) Limited | Real estate | 2025 |
| Project Python (UK) Ltd | Information & communication | 2018 |
| Project Red Holdco 1 Limited | Wholesale & retail | 2025 |
| Project Wave Bidco Limited | Financial services | 2026 |
| Project Wave Midco Limited | Financial services | 2026 |
| Project Wave Topco Limited | Financial services | 2026 |
| Projecteering Limited | Professional & scientific | 2014 |
| Projex Pro Limited | Information & communication | 2023 |
| Proma (FLM) Limited | Professional & scientific | 2014 |
| Prometheus Well Engineering Limited | Professional & scientific | 2021 |
| Proneering Paradigm Solutions UK Ltd | Wholesale & retail | 2018 |
| Proot Limited | Information & communication | 1994 |
| Property Developments Capital Ltd | Real estate | 2024 |
| Property Holdings (Scotland) Ltd | Real estate | 2020 |
| Property Number One Ltd | Real estate | 2018 |
| Property Portfolio (Aberdeen) Limited | Hospitality | 2007 |
| Property Wealth UK Trading Ltd | Real estate | 2019 |
| Property Wolf Ltd | Information & communication | 2021 |
| Proptecture Ltd | Information & communication | 2025 |
| Prorenata Ltd | Wholesale & retail | 2022 |
| Prosafe Engineering Limited | Professional & scientific | 2024 |
| Prosea Ltd | Manufacturing | 2021 |
| Prosergy Limited | Professional & scientific | 2018 |
| Proserv Holdings Limited | Financial services | 2012 |
| Proserv UK Limited | Manufacturing | 1989 |
| Prosource.It (UK) Ltd. | Information & communication | 2003 |
| Prospect & Cairn Limited | Professional & scientific | 2026 |
| Prospect 13 Limited | Professional & scientific | 2018 |
| Prospect APB (Aberdeen) Limited | Administrative & support | 2011 |
| Prospekta Consulting Ltd | Information & communication | 2013 |
| Prospero Ventures Limited | Hospitality | 2006 |
| Prota Investments Limited | Hospitality | 2022 |
| Protea Consultancy Ltd | Professional & scientific | 2025 |
| Protech Centreform International Limited | Administrative & support | 2003 |
| Protect Mortgage Solutions Ltd | Administrative & support | 2015 |
| Proteeds Technologies Ltd | Professional & scientific | 2026 |
| Proterra & Associates Ltd. | Professional & scientific | 2003 |
| Proteus Dynamic Ltd | Manufacturing | 2009 |
| Proteus Electrical Limited | Professional & scientific | 2013 |
| Protex Security Ltd | Administrative & support | 2023 |
| Proto Medical Writing Limited | Administrative & support | 2016 |