| Poets Corner Alloway Ltd | Hospitality | 2024 |
| Pole Aviation Ltd | Manufacturing | 2025 |
| Pollock Power Ltd | Energy | 2021 |
| Polypackaging Limited | Manufacturing | 1994 |
| Porter & Cairns Cleaning Services Ltd | Administrative & support | 2025 |
| Porter Coding Limited | Information & communication | 2016 |
| Portland Janitorial Products Limited | Manufacturing | 1990 |
| Portrail Group (Floating Piers) Limited | Transport & logistics | 2008 |
| Portrail Group (Scotland) Limited | Transport & logistics | 2009 |
| POS Software LP | | 2016 |
| Posh Barbers AYR Ltd | Other services | 2024 |
| Positive People Development (Scotland) Ltd | Professional & scientific | 2006 |
| Potentiate Ltd | Health & social care | 2015 |
| Pour Decisions Ltd | Financial services | 2026 |
| Power to Thrive Wellness Ltd | Education | 2025 |
| Powercraft Scotland Ltd. | Wholesale & retail | 2009 |
| Powered by Pillow Limited | Real estate | 2025 |
| PPM Solutions (Scotland) Ltd | Professional & scientific | 2013 |
| Pre-Construction Services Limited | Construction | 2016 |
| Precious Effects (Scotland) Limited | Other services | 2015 |
| Precision Automotive Scotland Ltd | Wholesale & retail | 2026 |
| Preloved Equestrian Ltd | Wholesale & retail | 2024 |
| Prem Kilmaurs Limited | Wholesale & retail | 2015 |
| Premier Property Letting & Management Limited | Households | 2018 |
| Preparation Hospitality Limited | Manufacturing | 2025 |
| Prepgear Ltd | Wholesale & retail | 2024 |
| Prepped Ltd | Extraterritorial | 2025 |
| Presidential Property Ltd | Extraterritorial | 2018 |
| Pressure Test Scotland (Water) Ltd | Professional & scientific | 2013 |
| Prestwick Aircraft Tooling Limited | Manufacturing | 2020 |
| Prestwick Coach Services Ltd | Transport & logistics | 2025 |
| Prestwick Cream Ltd | Hospitality | 2025 |
| Prestwick Decorators Ltd | Construction | 2024 |
| Prima Blinds and Designs Ltd | Manufacturing | 2012 |
| Prime Cuts Butchers (Ayrshire) Ltd | Hospitality | 2013 |
| Prime Cuts Butchers Cumnock Ltd | Wholesale & retail | 2017 |
| Prime Cuts Butchers Specialists Ltd | Hospitality | 2013 |
| Prime Cuts Finest Ltd | Wholesale & retail | 2021 |
| Principal CDM & Safety Ltd | Professional & scientific | 2017 |
| Print Supplies & Services Ltd. | Administrative & support | 2008 |
| Pristine Property Lettings Ltd | Real estate | 2024 |
| Pristine Safety and Security Limited | Administrative & support | 2016 |
| Priya Authentic Restaurant Ltd | Hospitality | 2025 |
| Priya Foods Ltd | Hospitality | 2019 |
| Pro Finish Ayrshire Ltd | Construction | 2025 |
| Proactive Solutions (Scotland) Limited | Professional & scientific | 2015 |
| Product to Pack Ltd | Wholesale & retail | 2008 |
| Proelec Renewables Ltd | Construction | 2023 |
| Profc.Org Limited | Health & social care | 2019 |
| Progressive Touches FA Ltd | Education | 2026 |
| Project Quality Management Systems Ltd | Professional & scientific | 2026 |
| Propeller Productions Ltd | Information & communication | 2019 |
| Proper Consulting Limited | Professional & scientific | 2022 |
| Propserv National Limited | Real estate | 2014 |
| Proscot Golf Tours Ltd | Administrative & support | 2012 |
| Prosper Property Ventures Ltd | Real estate | 2022 |
| Protech Leisure Services Limited | Manufacturing | 2022 |
| Psuk Energysave Ltd | Professional & scientific | 2025 |
| PSW Construction Ltd | Construction | 2024 |
| PT & AD Investments Ltd | Real estate | 2022 |
| PT Event Catering Limited | Hospitality | 2020 |
| PTS Letting Limited | Real estate | 2006 |
| Public Broth Ltd | Arts & recreation | 2024 |
| Pulse Digital Media Limited | Information & communication | 2026 |
| Punjab Brands Limited | Wholesale & retail | 2025 |
| Punjab Pakora Ltd | Manufacturing | 2012 |
| Punjab Retail Limited | Wholesale & retail | 2026 |
| Puranota Limited | Manufacturing | 2023 |
| Purcell Properties Limited | Real estate | 2016 |
| Pure Body Aesthetics Limited | Health & social care | 2018 |
| Pure Hyperbarics Ltd | Health & social care | 2025 |
| Pure Muay Thai Ltd | Arts & recreation | 2025 |
| Purple Grapes Properties Ltd | Real estate | 2024 |
| Purple Stagg Ltd | Hospitality | 2023 |
| QC Health Ltd | Other services | 2025 |
| Qiloomooo Ltd | Wholesale & retail | 2025 |
| QL Assets Limited | Professional & scientific | 2024 |
| Qore Energy Ltd | Construction | 2014 |
| QRF Maintenance Ltd | Administrative & support | 2024 |
| Qsports Scotland Ltd | Hospitality | 2021 |
| Qubitfoundry Ltd | Financial services | 2025 |
| Queens Court Dental Practice Limited | Health & social care | 2014 |
| Queens Court Holdings Limited | Financial services | 2025 |
| Quest Clinic Ltd | Other services | 2014 |
| Quest CX Limited | Professional & scientific | 2025 |
| Quintessential Hire Drive Ltd | Administrative & support | 2019 |
| QWERTY100 Ltd | Other services | 2017 |
| R & R Investments Limited | Construction | 1992 |
| R & S Electrical Ltd. | Construction | 2004 |
| R Archer Ltd | Professional & scientific | 2020 |
| R B Young & SON Ltd | Agriculture & fishing | 2018 |
| R Ferguson Aviation Services Ltd | Manufacturing | 2017 |
| R Fergusson Ltd | Professional & scientific | 2011 |
| R H Elliott Ltd | Information & communication | 2019 |
| R J Mcculloch GAS Services LLP | | 2013 |
| R Kerr Engineering Ltd | Manufacturing | 2016 |
| R Shipping Product Tankers LP | | 2016 |
| R W Gibson & Sons Limited | Agriculture & fishing | 2012 |
| R&B Access Solutions Ltd | Construction | 2022 |
| R&G Caravans (Scotland) Ltd | Other services | 2025 |