| Aislings Kitchen Limited | Hospitality | 2021 |
| Alandk LLP | | 2020 |
| An-Taigh-Sgoile Limited | Real estate | 2019 |
| Angros Fishing Ltd | Agriculture & fishing | 2017 |
| Animal Care Tiree Limited | Professional & scientific | 2025 |
| APW Joinery & Carpentry Ltd | Construction | 2025 |
| Bears Grill Limited | Hospitality | 2020 |
| Big Sky Books CIC | Wholesale & retail | 2025 |
| CKR Island Construction Ltd | Construction | 2009 |
| Coll & Tiree Animal Care Ltd | Professional & scientific | 2015 |
| Community Information Technology Limited | Information & communication | 2004 |
| Curam Thiriodh | Health & social care | 2011 |
| Discover Tiree | Information & communication | 2004 |
| Drumaglea Limited | Agriculture & fishing | 2005 |
| Gunn Consulting Limited | Construction | 2013 |
| Hillcrest Wind Energy Co Ltd | Energy | 2009 |
| Hynish Stone Ltd | Construction | 2015 |
| Iain a Mackinnon Limited | Transport & logistics | 2010 |
| Island Care Services C.I.C. | Health & social care | 2025 |
| Isle Develop CIC | Wholesale & retail | 2020 |
| Itesa Ltd | Hospitality | 2025 |
| John Mackinnon (Builders) Limited | Construction | 1977 |
| Ken-Mac Construction Limited | Construction | 2022 |
| Meekton Enterprises Ltd | Wholesale & retail | 2022 |
| Pierheadchilligrillz Ltd | Hospitality | 2026 |
| Screen Argyll Limited | Information & communication | 2019 |
| Soul and Spirit Limited | Construction | 2022 |
| Spògan Luath Thiriodh CIC | Arts & recreation | 2025 |
| THE 114 Breezy Limited | Wholesale & retail | 2021 |
| Tiree Car Hire Ltd | Administrative & support | 2020 |
| Tiree Chilli Grillz Ltd | Hospitality | 2024 |
| Tiree Coffee Company Ltd | Manufacturing | 2021 |
| Tiree Community Gym C.I.C. | Arts & recreation | 2024 |
| Tiree Community Maritime Assets Limited | Real estate | 2018 |
| Tiree Equestrian CIC | Education | 2020 |
| Tiree Garage Limited | Wholesale & retail | 2020 |
| Tiree Makery CIC | Wholesale & retail | 2023 |
| Tiree Maritime Trust Limited | Arts & recreation | 2010 |
| Tiree Renewable Energy Company Limited | Energy | 2005 |
| Tiree Rural Development Limited | Agriculture & fishing | 2002 |
| Tiree Sea Tours Limited | Transport & logistics | 2018 |
| Tiree Wave Classic Community Interest Company | Arts & recreation | 2020 |
| Tiree Whisky Company Limited | Manufacturing | 2012 |
| Woodside Commercial Developments Ltd | Construction | 2024 |