| Springwell Holidays Limited | Hospitality | 2007 |
| SSR Engineering Ltd | Professional & scientific | 2017 |
| Starco Contracts Ltd | Manufacturing | 2023 |
| Steele Marketing and Communications Consultancy Ltd | Professional & scientific | 2025 |
| Steve Murray Sprayers Ltd | Agriculture & fishing | 2019 |
| Stirling Quality Limited | Professional & scientific | 2005 |
| Stork & Glen Ltd | Agriculture & fishing | 2025 |
| Stuart Cormie Window Cleaners Ltd | Other services | 2015 |
| Sustainable Civil Engineering Solutions Limited | Professional & scientific | 2019 |
| Sutherland Survey Ltd | Professional & scientific | 2025 |
| Swifty Couriers Ltd | Transport & logistics | 2024 |
| T4B Ltd | Professional & scientific | 2026 |
| Taft Consultants Ltd | Mining & quarrying | 2023 |
| Talk to Yesterday Ltd | Information & communication | 2024 |
| Taybridge Group Limited | Professional & scientific | 2026 |
| Tayside Builders Limited | Real estate | 2004 |
| Tayside Technical Services Ltd | Information & communication | 2026 |
| TEF Marine Limited | Professional & scientific | 2017 |
| THE Alba Explorers Centre for Outdoor Innovation CIC | Professional & scientific | 2024 |
| THE Alba Explorers Limited | Education | 2022 |
| THE Angus Solutions Group Limited | Professional & scientific | 2020 |
| THE Apple Cottage Company Ltd | Wholesale & retail | 2006 |
| THE Brothers Garage Ltd | Wholesale & retail | 2024 |
| THE Custom Label Co. Limited | Administrative & support | 2014 |
| THE Dress Rental Co. Ltd | Administrative & support | 2026 |
| THE Glenesk Trust | Professional & scientific | 2004 |
| THE Legal Defence Union Limited | Professional & scientific | 1987 |
| THE Muir Garage Limited | Real estate | 2011 |
| THE Squarie Newsagent Limited | Wholesale & retail | 2013 |
| THE West Drums Farming Company | | 1981 |
| Thinkspike Ltd | Professional & scientific | 2024 |
| Tigerjem Limited | Real estate | 2017 |
| TIP to TOE Beauty Ltd | Other services | 2013 |
| Tisbew Limited | Administrative & support | 2006 |
| TMT Plumbing Limited | Construction | 2013 |
| Torr Road Cycling Ltd | Administrative & support | 2026 |
| TPC Property Rentals Ltd | Real estate | 2018 |
| Transform-Motion Ltd | Health & social care | 2025 |
| Valravn International Ltd | Information & communication | 2019 |
| Valuta Limited | Professional & scientific | 2004 |
| Vehicle Recovery Scotland Ltd | Wholesale & retail | 2026 |
| Vivid Horizon Wedding Band Ltd | Arts & recreation | 2025 |
| Waimur Ltd | Professional & scientific | 2018 |
| Waxibears Ltd | Wholesale & retail | 2025 |
| Webster Design UK Limited | Professional & scientific | 2004 |
| West Farnell Contracts Ltd | Agriculture & fishing | 2022 |
| Westmuir Developments Limited | Administrative & support | 2003 |
| Wilboworx Ltd | Wholesale & retail | 2022 |
| William Black & SON Limited | Wholesale & retail | 1925 |
| Willso Properties Ltd | Households | 2026 |
| WMR Consulting Ltd | Mining & quarrying | 2022 |
| Woodco Properties Ltd | Construction | 2026 |
| Zsazsa Design Ltd | Manufacturing | 2022 |