| Culmill Lodges Ltd | Financial services | 2024 |
| Cvgh Limited | Hospitality | 2018 |
| D F Macrae and Sons Limited | Construction | 2003 |
| D H 2 Limited | Agriculture & fishing | 2003 |
| D. Macpherson (Plant Hire) Limited | Agriculture & fishing | 2003 |
| D.J. Munro Limited | Construction | 2003 |
| Daniel Maclennan Ltd | Hospitality | 2017 |
| David Mightens (Contractor) Ltd | Administrative & support | 2017 |
| Daydream Draws Ltd | Arts & recreation | 2024 |
| DBH Rigging Ltd | Professional & scientific | 2020 |
| Deas the Bakers Ltd | Manufacturing | 2016 |
| DG Offshore Ltd | Construction | 2016 |
| Dingwall & Highland Marts Limited | Agriculture & fishing | 1994 |
| Dingwall Auction Mart Limited | Real estate | 1991 |
| Dingwall Community Development Company | Other services | 2017 |
| Dingwall Garage Limited | Wholesale & retail | 2018 |
| Dingwall Marine Services Ltd | Professional & scientific | 2021 |
| Dingwall Panel Beaters Limited | Wholesale & retail | 2000 |
| Dingwall Phone Shop Limited | Wholesale & retail | 2024 |
| Dingwall Scott Ltd | Hospitality | 2025 |
| Dingwall Taxis Ltd | Transport & logistics | 2025 |
| DJ Inspection&Coatings Ltd | Construction | 2018 |
| DMN Scaffolding Ltd | Construction | 2025 |
| Dolan Fisheries Ltd | Agriculture & fishing | 2015 |
| DP Digital Media Ltd | Information & communication | 1994 |
| DR Abbasi Group Ltd | Health & social care | 2026 |
| Drink Loch Ness Ltd | Manufacturing | 2020 |
| Druim Fada Medical Ltd | Health & social care | 2022 |
| Dryburgh Cycles (Dingwall) Limited | Wholesale & retail | 2010 |
| Dtgmc Ltd | Administrative & support | 2023 |
| Dunaluinn Quality Services Limited | Construction | 1997 |
| Duncan Scaffold Limited | Construction | 2002 |
| Dwmweld Limited | Construction | 2023 |
| Echo Electrical Ltd | Construction | 2022 |
| Eilean Dubh Home Care Limited | Health & social care | 2020 |
| Elements Accounting Limited | Professional & scientific | 2014 |
| Elwin Holdings Limited | Real estate | 2022 |
| Eunisell Limited | Professional & scientific | 2003 |
| Eunoia Civils Limited | Construction | 2017 |
| Evans Incorporated Ltd | Manufacturing | 2020 |
| Evanton China Limited | Hospitality | 2023 |
| Evanton Coatings and Inspection Ltd | Construction | 2014 |
| Evanton Community Trust | Other services | 2005 |
| Evanton Wood Community Company | Agriculture & fishing | 2007 |
| Evergreen Scott Ltd | Hospitality | 2026 |
| F Mackay Accountants Ltd | Professional & scientific | 2023 |
| F20 Surveying Ltd | Agriculture & fishing | 2022 |
| Fabdc Limited | Other services | 2016 |
| Fargolf Limited | Wholesale & retail | 2015 |
| Farm Homes Ltd | Construction | 2023 |
| Farm Solutions Ltd. | Information & communication | 2002 |
| Feis Rois Limited | Arts & recreation | 1990 |
| Fifi LA Belle Ltd | Administrative & support | 2023 |
| Firework D.A.M Ltd | Administrative & support | 2025 |
| Fleinn Construction Ltd | Construction | 2018 |
| Flow Photography Festival Limited | Arts & recreation | 2016 |
| Forbes & Forbes Limited | Hospitality | 2011 |
| Fortis Group Security Ltd | Administrative & support | 2026 |
| Foulis Castle Accommodation Limited | Hospitality | 2023 |
| Foulis Ferry Limited | Real estate | 1978 |
| Friendly Rates Ltd | Professional & scientific | 2023 |
| Fyrish Vehicle Sales Ltd | Wholesale & retail | 2023 |
| Fyrix Limited | Professional & scientific | 2026 |
| G. Bremner Limited | Construction | 2002 |
| G11 Consulting Limited | Information & communication | 2008 |
| Garnethill Ltd | Real estate | 2025 |
| GJU Electrical Ltd | Construction | 2024 |
| Glachbeg Croft Ltd | Education | 2022 |
| Glen Glass Developments Ltd | Construction | 2016 |
| Glucorx Technologies Limited | Manufacturing | 2017 |
| GNA Trading Ltd | Construction | 2018 |
| Good Girl Greengrocers Ltd | Hospitality | 2022 |
| Gordon Campbell Electrical Ltd | Construction | 2018 |
| Gorse & Greens Ltd | Administrative & support | 2026 |
| Goskirk Pettinger Limited | Health & social care | 1995 |
| Graphton Investments Ltd | Real estate | 2024 |
| GRC Lifting Services Ltd | Transport & logistics | 2025 |
| Great Glen Properties Ltd | Real estate | 2021 |
| Great Glen Property Solutions Ltd | Construction | 2019 |
| Green Field Organics Ltd | Water & waste | 2025 |
| Greenbrae Stoves Ltd | Administrative & support | 2014 |
| Greenhill Property Letting Ltd | Real estate | 2024 |
| Gridtrax Ltd | Administrative & support | 2025 |
| Groat Construction Ltd | Administrative & support | 2026 |
| GSM Dingwall Ltd | Wholesale & retail | 2019 |
| Gwbs Properties Ltd | Real estate | 2019 |
| Handyman Tham Ltd | Other services | 2026 |
| Hazel Allen Limited | Professional & scientific | 2015 |
| HDU Access Ltd | Construction | 2023 |
| Heartstone Confederation of International Story Circles CIC | Other services | 2018 |
| Highland Archaeology Services Ltd. | Professional & scientific | 2004 |
| Highland Ballers Limited | Arts & recreation | 2024 |
| Highland Biosciences Ltd | Professional & scientific | 2006 |
| Highland Building & Conservation Ltd | Construction | 2020 |
| Highland Cereal Contracts Limited | Agriculture & fishing | 2003 |
| Highland Cider Limited | Manufacturing | 2014 |
| Highland Coachtour Hotels Limited | | 1987 |
| Highland Deer & Habitat Solutions Ltd | Agriculture & fishing | 2014 |
| Highland Domes Ltd | Construction | 2023 |
| Highland Ecology and Development Ltd | Professional & scientific | 2010 |