| Pizza Cake (Scotstounhill) Ltd | Hospitality | 2018 |
| Pizza Cake (Stevenston) Ltd | Hospitality | 2017 |
| Pizza Cake (Troon) Ltd | Hospitality | 2023 |
| Plan B Digital (Scotland) Ltd | Information & communication | 2013 |
| Plan B Events (Scotland) Limited | Arts & recreation | 2016 |
| Plant and Labour Solutions Ltd | Construction | 2026 |
| Platinum Cleaning Solutions (Ayrshire) Ltd | Administrative & support | 2016 |
| Platinum Investment Group Holdings Ltd | Financial services | 2023 |
| Platinum Mortgage Group Ltd. | Extraterritorial | 2021 |
| Platinum Residential Group Ltd | Extraterritorial | 2022 |
| Playnest Activities Ltd | Arts & recreation | 2026 |
| Pledge Roofing Ltd | Construction | 2017 |
| Plotbook Limited | Information & communication | 2026 |
| Plumbing Plus Kilmarnock Ltd | Wholesale & retail | 2021 |
| Pocketful of Joy Ltd | Wholesale & retail | 2025 |
| Podiatry Wellbeing Limited | Health & social care | 2014 |
| Pokecairdz Ltd | Wholesale & retail | 2025 |
| Poliverse Ltd | Information & communication | 2025 |
| Pollock Property Limited | Construction | 2026 |
| POP UP AYR Limited | Wholesale & retail | 2022 |
| POP UP Largs Limited | Wholesale & retail | 2022 |
| Portland Star Ltd | Hospitality | 2022 |
| Posh Barber Stylist Ltd | Other services | 2018 |
| Posh Barbers Ltd | Other services | 2019 |
| Positive Electronics Limited | Manufacturing | 2016 |
| Power Transport Commercial Ltd | Wholesale & retail | 2026 |
| Power Transport Limited | Wholesale & retail | 1998 |
| Powerful ACS Limited | Wholesale & retail | 2021 |
| Pppizzaplace Limited | Hospitality | 2024 |
| PPS - Prime Parcel Services Ltd | Transport & logistics | 2020 |
| PPS - Prime Property Services Ltd | Real estate | 2021 |
| PPS Autocare Ltd | Wholesale & retail | 2023 |
| Practical Pitch Solutions Ltd | Administrative & support | 2012 |
| Practical Planning & Reporting Ltd | Professional & scientific | 2006 |
| Prancing Jack Productions Ltd | Information & communication | 2015 |
| Precision Exterior Cleaning Limited | Administrative & support | 2025 |
| Precision Joinery & Carpentry Ltd | Construction | 2014 |
| Premier Beauty UK Limited | Administrative & support | 2022 |
| Premier Collections Group Ltd | Administrative & support | 2020 |
| Premier Food Prep Ltd | Hospitality | 2020 |
| Premier GAS & Mechanical Solutions Limited | Construction | 2018 |
| Premier Publishing (Troon) Limited | Information & communication | 2018 |
| Premier Retail (Scot) Ltd | Wholesale & retail | 2026 |
| Premier Symington Ltd | Wholesale & retail | 2020 |
| Prestige Timber Buildings Ltd | Construction | 2025 |
| Prestwick F&B Ltd | Hospitality | 2025 |
| Price Master Scotland Ltd | Wholesale & retail | 2021 |
| Primary Medical Ltd | Health & social care | 2024 |
| Prime Fitness Gym Kilmarnock Ltd | Arts & recreation | 2025 |
| Princes Street Traders Ltd | Hospitality | 2026 |
| Prism Communications Group Limited | Information & communication | 2017 |
| Pristine Exterior Clean Scotland Ltd | Administrative & support | 2025 |
| Pro Finishings Ltd | Arts & recreation | 2015 |
| Pro Powder Coating and Shotblasting Limited | Construction | 2024 |
| Pro Renovation Group Limited | Construction | 2025 |
| Pro Steel Fabrication Limited | Manufacturing | 2018 |
| Pro-Active Physiotherapy Ayrshire Ltd | Other services | 2025 |
| Pro-Scape Landscaping Services Limited | Administrative & support | 2012 |
| Probiz Premium Limited | Wholesale & retail | 2024 |
| Proedge Properties Limited | Real estate | 2021 |
| Professional Distribution Services Ltd | Wholesale & retail | 2026 |
| Professional Shine HCW Ltd | Other services | 2018 |
| Progleam Ltd | Construction | 2025 |
| Project and Logistic Solutions Limited | Professional & scientific | 2018 |
| Project Detail Solutions Ltd | Information & communication | 2018 |
| Project POP UP Limited | Wholesale & retail | 2025 |
| Property Doctor Ayrshire Ltd | Real estate | 2019 |
| Property Matters Limited | Construction | 2004 |
| Property Pinnacle Ltd | Real estate | 2026 |
| Property Prepared Limited | Administrative & support | 2022 |
| Prosper Caledonia Limited | Manufacturing | 2006 |
| Protect Electronic Security Limited | Administrative & support | 2008 |
| Provault Holdings Ltd | Financial services | 2025 |
| Provault Limited | Real estate | 2024 |
| PSM Construction Ltd | Construction | 2025 |
| Psmb Limited | Arts & recreation | 2026 |
| Psychoevaluations Ltd | Health & social care | 2019 |
| Pure Clean Scotland Ltd | Administrative & support | 2021 |
| Pure Pets Wholesale Limited | Wholesale & retail | 2020 |
| Qasim Global Visit Limited | Administrative & support | 2016 |
| Qcompass Limited | Information & communication | 2026 |
| QP Partner Limited | Professional & scientific | 2017 |
| Quad Bike Tyres Limited | Wholesale & retail | 2012 |
| Qualforge Ltd | Professional & scientific | 2026 |
| Quantum Coaching and Consultancy Ltd. | Professional & scientific | 2011 |
| Quantum I P Limited | Information & communication | 2004 |
| Quantum Mortgage and Protection Solutions Ltd | Financial services | 2023 |
| Quantum Solutions Limited | Construction | 2009 |
| Quest Farm Supplies Holding Limited | Financial services | 2025 |
| Quest Farm Supplies Limited | Wholesale & retail | 2009 |
| R & J Holdings Ltd | Financial services | 2016 |
| R & K Dhinsa Ltd | Wholesale & retail | 2018 |
| R & K Dhinsa Property Ltd | Real estate | 2024 |
| R C Broadcast Services Limited | Information & communication | 2016 |
| R K Mooker Ltd | Professional & scientific | 2024 |
| R Mclatchie Plumbing Limited | Construction | 2018 |
| R Speirs Contracting Services Ltd | Construction | 2020 |
| R T Resources Limited | Education | 1998 |
| R Wilson Roofing Limited | Construction | 2021 |
| R Wright Investments Ltd | Financial services | 2024 |