| 3388 Tain Limited | Hospitality | 2023 |
| A & a Ross Properties Ltd | Real estate | 2024 |
| A & C Technical Services Ltd | Administrative & support | 2023 |
| A & C Wilson Engineering Contractors Ltd | Professional & scientific | 2020 |
| A Horne Properties Ltd. | Administrative & support | 2010 |
| A I Mackenzie Contractors Ltd | Construction | 2019 |
| A J Simpson Limited | Agriculture & fishing | 2014 |
| A M Highland Services Ltd | Administrative & support | 2014 |
| A. Grant (Gairloch) Limited | Construction | 1999 |
| A. Mcadie Services Ltd | Administrative & support | 2022 |
| A. Munro Contracting Ltd | Administrative & support | 2023 |
| A.G. Maclean Ltd. | Administrative & support | 2003 |
| A9 Access Ltd | Construction | 2020 |
| A9 Fish & Chips Ltd | Administrative & support | 2014 |
| Aavaani (PVT) Ltd | Wholesale & retail | 2025 |
| Ace Highland Joinery & Construction Ltd. | Construction | 2019 |
| Achavandra Stables Ltd | Agriculture & fishing | 2019 |
| ACS Fabrication & Cladding Ltd | Construction | 2025 |
| Adraw Services Ltd | Construction | 2018 |
| Agnes Phelps Creations Ltd | Health & social care | 2019 |
| Ahcvintage Ltd | Wholesale & retail | 2026 |
| AI14 Ltd | Administrative & support | 2014 |
| Airfield Croft Ltd | Agriculture & fishing | 2024 |
| AJM Welding Services Ltd | Administrative & support | 2017 |
| AKE Links Motors/Mot Centre Ltd | Administrative & support | 2017 |
| Alasdair Mackenzie Stonemasonry Ltd | Administrative & support | 2014 |
| Albright Resources Ltd | Administrative & support | 2013 |
| Alderburn Limited | Professional & scientific | 2011 |
| Alexander G Mackay Ltd | Agriculture & fishing | 2025 |
| ALI Mack Personal Training Ltd | Other services | 2022 |
| Alron Building Services Ltd. | Construction | 2010 |
| Amity Marine Limited | Agriculture & fishing | 2011 |
| AN Stiùidio CIC | Arts & recreation | 2026 |
| Anchor Management Ltd. | Administrative & support | 2002 |
| Andy J. Stewart (Forestry & Estate Services) Limited | Agriculture & fishing | 2003 |
| Angie Seaprime Ltd | Wholesale & retail | 2026 |
| Angus Sinclair Ltd. | Construction | 2017 |
| Anta Scotland Limited | Manufacturing | 1995 |
| Apex Adventure Group Limited | Administrative & support | 2025 |
| Arabella Construction Ltd. | Construction | 2025 |
| Arabella Developments Ltd. | Construction | 2020 |
| Arabella Garage Ltd | Wholesale & retail | 2024 |
| Arabella Services. Limited | Construction | 2025 |
| Archways Public House Ltd. | Hospitality | 2007 |
| Ardmore (Scotland) Limited | Administrative & support | 2013 |
| Ardvannie Croft LLP | | 2024 |
| Armstrong OHS Ltd. | Health & social care | 2024 |
| Arpeters Holdings Ltd | Wholesale & retail | 2025 |
| Artsplay Highland | Education | 2003 |
| Aspen Medi-Spa Ltd | Other services | 2019 |
| Aspen Retreats Limited | Arts & recreation | 2022 |
| Atlantic Diving Services Ltd. | Professional & scientific | 2007 |
| Audacia Ltd | Professional & scientific | 2013 |
| Avenridge Limited | Professional & scientific | 2010 |
| Award Electrical Services Ltd. | Construction | 2024 |
| Award Training Services Ltd. | Administrative & support | 2007 |
| B B Storage Limited | Agriculture & fishing | 1985 |
| B&K Macdonald Construction Ltd | Construction | 2025 |
| B&M Painting Solutions Ltd | Construction | 2023 |
| B. D. Allen Ltd | Administrative & support | 2019 |
| Balintore Farms LP | | 2018 |
| Balintore Target Limited | Professional & scientific | 2010 |
| Balnagall Lodges Ltd | Hospitality | 2025 |
| Base Investments (Highland) Ltd. | Administrative & support | 2003 |
| BB Mechanical Ltd | Professional & scientific | 2026 |
| Belter Competitions Ltd | Arts & recreation | 2024 |
| Bernard O'Donnell Ltd | Other services | 2018 |
| Bernera Welding Services Ltd. | Professional & scientific | 2010 |
| Berry Antiques Ltd. | Manufacturing | 2016 |
| Berty Fabrications Ltd. | Administrative & support | 2008 |
| Bervie Stores Ltd. | Administrative & support | 2003 |
| Birchley Engineering Ltd | Administrative & support | 2017 |
| Blackbird Rope Tech Ltd | Professional & scientific | 2018 |
| Blueprint Architecture & Design Limited | Professional & scientific | 2006 |
| BM Boiler Services Limited | Construction | 2022 |
| Bongos Banging Tuning Ltd | Wholesale & retail | 2025 |
| Bonny's Wonderland Ltd | Other services | 2022 |
| Brett-Er-Clean Ltd | Administrative & support | 2026 |
| Brockan Solutions Ltd | Construction | 2023 |
| Broombank LR Ltd | Wholesale & retail | 2023 |
| Browns Gallery Ltd | Administrative & support | 2017 |
| Bryan Scott Carpenter & Joiner Ltd | Administrative & support | 2014 |
| Bulldale Management Limited | Administrative & support | 1997 |
| Burnett Engineering Limited | Professional & scientific | 2017 |
| C & M Robertson Group Ltd | Financial services | 2024 |
| C Fraser Welding Services Ltd | Manufacturing | 2025 |
| C&J Gray Ltd | Real estate | 2025 |
| C.I Fabrications Limited | Manufacturing | 2026 |
| Cadboll Management Limited | Professional & scientific | 2025 |
| Cadbollmech Ltd | Wholesale & retail | 2023 |
| Caledonia Surveys Ltd | Professional & scientific | 2023 |
| Campbell & Sons (Ardgay) Ltd. | Transport & logistics | 2012 |
| Campbell Agri Services Ltd | Agriculture & fishing | 2013 |
| Campbell Balblair Ltd | Real estate | 2023 |
| Caorann Malcolm Ltd | Professional & scientific | 2021 |
| Carn Bren Publishing Ltd | Information & communication | 2019 |
| Carnegie Lodgings Ltd. | Real estate | 2024 |
| Caroline Henderson Ltd | Hospitality | 2026 |
| Catering Maintenance Services Highland Ltd | Manufacturing | 2019 |
| Cattanach Electrical Services Ltd | Construction | 2022 |