| Sceh Ltd | Financial services | 2019 |
| Scotluso Holdings Ltd | Financial services | 2022 |
| SDF Access Services Ltd | Construction | 2018 |
| SDM Property Developments Ltd | Administrative & support | 2026 |
| SDM Racing Ltd | Arts & recreation | 2020 |
| Seaforth Pipework Solutions Limited | Manufacturing | 2026 |
| Shll Holdings Ltd | Administrative & support | 2019 |
| Silverhill Holdings Limited | Other services | 2015 |
| Simmah Ltd | Hospitality | 2025 |
| Skipper Liath Ltd | Transport & logistics | 2026 |
| Smaarts Ltd | Real estate | 2026 |
| Snowsport Instructors Ltd | Arts & recreation | 2026 |
| SPT Fabrication Ltd | Manufacturing | 2021 |
| Stanton & Merry Ltd. | Construction | 2022 |
| Stevenson Building Company Limited | Wholesale & retail | 1973 |
| Strath Civil Engineering Ltd | Construction | 2013 |
| Strathmor Plumbing Ltd | Construction | 2021 |
| Strathpeffer Sweet Company Ltd | Wholesale & retail | 2025 |
| Stuckinthemud Limited | Hospitality | 2020 |
| SU Ropes Limited | Construction | 2025 |
| Superior Inspection Ltd | Administrative & support | 2018 |
| Sweeney&Co Ltd | Construction | 2016 |
| Swordale Services Ltd | Professional & scientific | 2024 |
| T Rennie Engineering Ltd | Professional & scientific | 2022 |
| T&J Electrical Services Ltd | Energy | 2020 |
| Tarradale Chippy Ltd | Hospitality | 2024 |
| Tarradale Electrical Limited | Construction | 2024 |
| Tarradale Home Improvements Ltd | Construction | 2022 |
| Tarradale Properties Ltd | Real estate | 2024 |
| Tarradale Stone Limited | Construction | 2007 |
| TED Inspection Services Ltd | Construction | 2018 |
| Terabytes Computers Limited | Wholesale & retail | 2022 |
| THE Glass Scribe International Limited | Manufacturing | 1998 |
| THE Highland Arborist Ltd | Administrative & support | 2024 |
| THE Inverness Soap Company Ltd. | Manufacturing | 2006 |
| THE Mill Ullapool Limited | Wholesale & retail | 2022 |
| THK Property Investments Ltd. | Real estate | 2020 |
| Thomas Rose Associates Ltd | Professional & scientific | 2018 |
| Time With Horses Ltd | Agriculture & fishing | 2024 |
| Tommy Brown Site Services Ltd | Administrative & support | 2017 |
| Transition Black Isle | Other services | 2011 |
| TRJ Fishing Ltd | Agriculture & fishing | 2012 |
| Turkish Style Barber Ltd | Other services | 2020 |
| Ultimate North Coast Workboats Ltd | Manufacturing | 2025 |
| Unieats Ltd | Hospitality | 2021 |
| Unsigned Pathway C.I.C. | Education | 2026 |
| Unwined Cafe & Bar Ltd | Hospitality | 2023 |
| Van Oyen Property Limited | Real estate | 2018 |
| Victoria Garage (Brora) Ltd | Wholesale & retail | 2019 |
| Vman NDT Ltd | Professional & scientific | 2022 |
| Waltec Mechanical Services Limited | Wholesale & retail | 2024 |
| Watertight Warehousing Ltd | Transport & logistics | 2019 |
| WCX Ltd | Construction | 2024 |
| Whinhurst Property Ltd | Hospitality | 2019 |
| Willowski Properties (Bridge of Allan) Limited | Real estate | 1999 |
| Willowski Properties (Dingwall) Limited | Health & social care | 2001 |
| WND Keith Ltd. | Agriculture & fishing | 1992 |
| WOK This Way MJ Ltd | Hospitality | 2024 |
| Woodblocx Limited | Manufacturing | 2012 |
| Worth a TRY Limited | Hospitality | 2021 |
| Wyvis Cosmetic Dental Laboratory Limited | Health & social care | 1980 |
| Xciii Trading Company Ltd | Wholesale & retail | 2023 |
| Yetti Skye Ltd | Manufacturing | 2024 |
| Yorkshire EYE Consultant Ltd | Health & social care | 2022 |
| Your Landscaping Limited | Administrative & support | 2015 |
| Zander Painter Ltd | Construction | 2024 |
| ZEY YEZ Limited | Hospitality | 2024 |
| Zucconi a & Associated Ltd | Manufacturing | 2019 |