| Medical Footcare Limited | Health & social care | 2014 |
| Melldun and Dusted Ltd | Administrative & support | 2022 |
| Mendys Aircraft Service Limited Ltd | Manufacturing | 2026 |
| Miell Green Ltd | Administrative & support | 2024 |
| Milne F.S. Ltd | Professional & scientific | 2023 |
| MINDWORKS360 Ltd | Education | 2025 |
| Mini Footprints Ltd | Wholesale & retail | 2026 |
| Mode of Troon Ltd | Wholesale & retail | 2022 |
| Moore Business Support LLP | | 2023 |
| MOR Construction Limited | Construction | 2025 |
| Mortgage Advice Partnership Ltd. | Financial services | 2006 |
| Move IT Move IT Ltd | Transport & logistics | 2020 |
| MP Property Lettings Ltd | Real estate | 2018 |
| MSK Event Services Ltd | Administrative & support | 2023 |
| MV Engineering Ltd | Mining & quarrying | 2025 |
| Nairn Limited | Professional & scientific | 2006 |
| NAT Hair Associates Limited | Other services | 2012 |
| NDK ENT Services Ltd | Health & social care | 2024 |
| Nicolson Energy Solutions Limited | Other services | 2016 |
| Nitrexdesign Ltd | Information & communication | 2018 |
| Northern Coldroom Construction Ltd | Construction | 2020 |
| Oakel Group Limited | Professional & scientific | 2022 |
| Oakel Limited | Professional & scientific | 2012 |
| Oatee Ltd | Manufacturing | 2022 |
| Omni International Consultants (UK) Ltd | Administrative & support | 2016 |
| Optic a EYE Ltd | Information & communication | 2025 |
| Orthosport Surgery Scotland Ltd | Health & social care | 2024 |
| Orton Search & Selection Ltd | Administrative & support | 2009 |
| Pana ER Ltd | Wholesale & retail | 2026 |
| Panel Install UK Ltd | Manufacturing | 2025 |
| Para Handy Ltd | Professional & scientific | 2024 |
| Peets Coffee Company Ltd | Hospitality | 2019 |
| Pemali Ltd. | Hospitality | 2007 |
| People in Mind Ltd | Professional & scientific | 2024 |
| Pgpe Limited | Hospitality | 2013 |
| Physiomac Ltd | Health & social care | 2011 |
| Pieri Graham Ltd. | Professional & scientific | 2008 |
| Pierino Food Ltd | Manufacturing | 2013 |
| Pioneer Flying Company Limited | Arts & recreation | 1995 |
| PK Trades Global Ltd | Professional & scientific | 2026 |
| Plantek Holdings Limited | Financial services | 2014 |
| PMS Private Limited | Wholesale & retail | 2025 |
| Pollauran Engineering Limited | Professional & scientific | 2025 |
| POM POM PIG Limited | Manufacturing | 2018 |
| Portland Store Ltd | Wholesale & retail | 2025 |
| Portland Street Tattoo Ltd | Other services | 2023 |
| Precision Parts (Scotland) Ltd | Professional & scientific | 2026 |
| Prism Packs Ltd | Wholesale & retail | 2024 |
| Procurement Insight Limited | Professional & scientific | 2016 |
| Project Stardust Limited | Professional & scientific | 2023 |
| Pure Sparkle Ltd | Administrative & support | 2024 |
| R Batty Services Ltd | Construction | 2015 |
| R M Troon Ltd | Wholesale & retail | 2026 |
| Raac Collaboration Ltd | Professional & scientific | 2023 |
| Rainewood Ltd | Hospitality | 2025 |
| RAJ Premier Troon Ltd | Wholesale & retail | 2026 |
| Rankin Environmental Holdings Limited | Administrative & support | 2014 |
| Rankin Environmental Limited | Other services | 2009 |
| Red Rock International Holdings Limited | Manufacturing | 2019 |
| Reeve Mcnally General Building Services Ltd | Construction | 2020 |
| Reforgeuk Ltd | Construction | 2025 |
| Refresh Retail Ltd | Manufacturing | 2025 |
| Revive Properties Limited | Construction | 2007 |
| Richardson of Symington Limited | Professional & scientific | 2018 |
| Rimini Holdings Ltd | Real estate | 2021 |
| Rize Fitness Limited | Arts & recreation | 2022 |
| RLC90 Limited | Hospitality | 2015 |
| RLC90 Properties Ltd | Real estate | 2024 |
| RMD Admin Services Ltd | Professional & scientific | 2012 |
| Roksana Ltd | Wholesale & retail | 2023 |
| Romlee Limited | Professional & scientific | 2017 |
| Rosemount Investments (Troon) Limited | Real estate | 2014 |
| Rough Accounts Limited | Administrative & support | 2018 |
| Round Window Holdings Ltd. | Real estate | 2019 |
| RS Foods Troon Ltd | Wholesale & retail | 2021 |
| S.E.N.D Gymnastics Ltd | Education | 2024 |
| Sacha's Nails & Coffee Limited | Hospitality | 2023 |
| Sblm Properties Limited | Real estate | 2024 |
| Scotia Arts Ltd | Administrative & support | 2017 |
| Secundo Ltd | Administrative & support | 2015 |
| Securrus. Ltd | Administrative & support | 2017 |
| Seffen Joinery and Kitchens Ltd | Construction | 2024 |
| Sentinelair Ltd | Professional & scientific | 2025 |
| Sentinels Management Services Limited | Professional & scientific | 2016 |
| Shire Pharma Ltd | Wholesale & retail | 2021 |
| Simplistic Installations Ltd | Construction | 2025 |
| Simpson's Joinery Contracts Ltd | Construction | 2022 |
| SJ Subsea Engineering Consultants Limited | Professional & scientific | 2025 |
| Skin Sanity Limited | Wholesale & retail | 2018 |
| Smart Working Services Ltd | Professional & scientific | 2020 |
| Snowie Heritage Bricks Limited | Manufacturing | 2002 |
| Solar Carport Canopy Limited | Manufacturing | 2023 |
| Solomon Subsea Limited | Professional & scientific | 2017 |
| Soup DU Jour Limited | Hospitality | 2018 |
| South Beach Dental Ltd | Health & social care | 2024 |
| South Clyde Enterprises Ltd | Wholesale & retail | 2021 |
| South West Coast Builders Limited | Construction | 2020 |
| SPF Finance Transformation Limited | Administrative & support | 2024 |
| ST Construction 2022 Ltd | Construction | 2025 |
| ST Consultancies Ltd | Professional & scientific | 2024 |