| A J T Property Buying Group Ltd | Real estate | 2024 |
| A M Transport (Campbeltown) Ltd. | Transport & logistics | 2009 |
| A&P Auto Services Ltd | Wholesale & retail | 2026 |
| A1 Search and Selection Limited | Administrative & support | 2019 |
| Aaryan Akther Limited | Hospitality | 2012 |
| Abbey Gardeners Ltd | Administrative & support | 2021 |
| Ace Bookkeeping Services Ltd | Professional & scientific | 2025 |
| ALL Solutions Glasgow Ltd | Administrative & support | 2019 |
| Altarange Ltd | Information & communication | 2020 |
| AM Fishing Limited | Agriculture & fishing | 2025 |
| Amorphic Group Ltd | Wholesale & retail | 2023 |
| Anderston Trading Company Limited | Agriculture & fishing | 2002 |
| Andrew Mcphee Limited | Professional & scientific | 2008 |
| ANM Inspection Limited | Manufacturing | 2022 |
| Antony FOX Services Ltd | Other services | 2022 |
| Archie Houston Electrical Ltd | Construction | 2025 |
| Argyll FM Limited | Information & communication | 1995 |
| Argyll Recovery Ltd | Wholesale & retail | 2019 |
| Arke Fishing Ltd | Agriculture & fishing | 2019 |
| Atayate Ltd | Other services | 2024 |
| Auchnabreac Limited | Agriculture & fishing | 2025 |
| Baillie Boarding Kennels Ltd | Professional & scientific | 2014 |
| Bartek's Bistro Ltd | Hospitality | 2025 |
| Blairmuck Holdings Ltd | Real estate | 2015 |
| Brands Ignited Ltd | Professional & scientific | 2021 |
| Braw Digital Ltd | Administrative & support | 2023 |
| Browns of Mull Limited | Wholesale & retail | 2007 |
| Business Electricity Ltd | Administrative & support | 2005 |
| C&J Muir Ltd | Wholesale & retail | 2025 |
| Cadenhead Retail Limited | Wholesale & retail | 2020 |
| Camjjosh Ltd | Professional & scientific | 2024 |
| Campbeltown Backpackers Limited | Hospitality | 2020 |
| Campbeltown Fish and Chips Ltd | Hospitality | 2012 |
| Campbeltown Whisky Company Ltd | Wholesale & retail | 2019 |
| Carradale Heritage Media Group CIC | Administrative & support | 2025 |
| Ceann Loch Ltd | Hospitality | 2015 |
| Charlwood Solutions Ltd | Agriculture & fishing | 2025 |
| Clockwork Investments Ltd | Real estate | 2024 |
| CMC (Boat Settlement) Limited | Wholesale & retail | 2003 |
| CMC (Ship Chandlers) Limited | Wholesale & retail | 1988 |
| CMF Social Ltd | Construction | 2024 |
| Compassionate Care & Training Ltd | Health & social care | 2020 |
| Cour Bay Ltd | Extraterritorial | 2017 |
| Cour Estate Ltd | Extraterritorial | 2014 |
| Cour Farm Ltd | Extraterritorial | 2014 |
| Cour Ltd | Agriculture & fishing | 2014 |
| Cragpark Limited | Construction | 1991 |
| Craig of Campbeltown Limited | Transport & logistics | 1959 |
| Craigard Partnership Limited | Hospitality | 2026 |
| CRC Renewables Ltd | Construction | 2026 |
| Curach Properties Limited | Real estate | 2018 |
| D K Inspections Limited | Professional & scientific | 2012 |
| D M Fabrication Ltd | Manufacturing | 2008 |
| D Mcnair & SON Ltd. | Wholesale & retail | 2011 |
| D Mcnair & SON Shipping Limited | Transport & logistics | 2002 |
| D Muirhead Contractors Ltd | Agriculture & fishing | 2006 |
| Danielle Christine Photography Ltd | Professional & scientific | 2020 |
| Davaar Island Cottages Limited | Hospitality | 2023 |
| Davaar Marine Conservation Initiative Ltd | Agriculture & fishing | 2024 |
| Dfole(Scotland) Ltd | Other services | 2018 |
| Discover Space UK Ltd. | Transport & logistics | 2015 |
| DK LIU Ltd | Hospitality | 2023 |
| DTB Argyll Limited | Hospitality | 2016 |
| East Kintyre Renewable Energy Group Ltd | Professional & scientific | 2019 |
| Edington Law Limited | Professional & scientific | 2012 |
| Empowered HER Health Ltd | Health & social care | 2023 |
| Etana Cloud Ltd | Information & communication | 2022 |
| F&F Campbeltown Ltd | Agriculture & fishing | 2025 |
| Fairline Coaches Limited | Transport & logistics | 1985 |
| Fetcha Chocolates Ltd | Manufacturing | 2024 |
| Fleeced Limited | Manufacturing | 2025 |
| Fleetserve Ltd | Manufacturing | 2016 |
| Forthdean Ltd | Construction | 2019 |
| Fortune Group Technologies Ltd | Information & communication | 2025 |
| Galbraith Trawlers Limited | Agriculture & fishing | 2008 |
| GAV Mccue Construction Ltd | Construction | 2025 |
| Glenside Tractors Limited | Wholesale & retail | 1986 |
| Goliath Giveaways Ltd | Arts & recreation | 2025 |
| Gordon Baillie Contracting Limited | Agriculture & fishing | 2014 |
| Graemes Waste Solutions Ltd | Water & waste | 2014 |
| Green CUP Campbeltown Ltd | Hospitality | 2026 |
| Greyston UK Clothing Limited | Wholesale & retail | 2020 |
| Hardnut Studios Limited | Arts & recreation | 2015 |
| HC Capital Ltd | Financial services | 2025 |
| Heker Multimedia Limited | Information & communication | 2018 |
| HR Delta Ltd | Professional & scientific | 2019 |
| Imsap Services Limited | Energy | 2018 |
| Inspiralba Ltd | Professional & scientific | 2009 |
| International Renewable Services Ltd | Manufacturing | 2024 |
| Ippj Skiba Ltd | Hospitality | 2025 |
| J. & a. Mitchell and Company, Limited | Manufacturing | 1897 |
| JAY Sheerin Ltd | Construction | 2022 |
| JBM Law Ltd | Professional & scientific | 2015 |
| JCG Inspection Ltd | Professional & scientific | 2018 |
| Jewellery Casting Scotland Ltd | Manufacturing | 2014 |
| John Strang Contractors Ltd | Agriculture & fishing | 2007 |
| Julorwin Limited | Wholesale & retail | 2008 |
| Just Good Food Limited | Wholesale & retail | 2024 |
| K&A Trading Solutions Limited | Wholesale & retail | 2025 |
| Keeping IT Local CIC | Administrative & support | 2017 |