| Cala Vinas (Dundee) Limited | Professional & scientific | 1971 |
| Calden Limited | Real estate | 2002 |
| Calderquest Auchterhouse LLP | | 2010 |
| Caledonia Contracts (Holdings) Limited | Professional & scientific | 2016 |
| Caledonia Energy Efficiency Ltd | Professional & scientific | 2025 |
| Caledonia Property Company Scotland Ltd | Real estate | 2013 |
| Caledonia Rope Access Ltd | Professional & scientific | 2025 |
| Caledonia Strategic Advisory Ltd | Professional & scientific | 2025 |
| Caledonian Cards Ltd | Wholesale & retail | 2025 |
| Caledonian Greener Homes Consultancy Ltd | Real estate | 2020 |
| Calendarinvite Ltd | Professional & scientific | 2023 |
| Calibre Watch Repair Limited | Manufacturing | 2018 |
| Calkton Limited | Real estate | 1986 |
| Call-A-Keg Beverages Ltd | Wholesale & retail | 2009 |
| Call-A-Keg Limited | Wholesale & retail | 2016 |
| Calla Couriers Ltd | Transport & logistics | 2018 |
| Calla Hospitality Limited | Hospitality | 2016 |
| Callachan Consultants Ltd | Education | 2025 |
| Callaghan Gardening Ltd | Administrative & support | 2023 |
| Callan Mciver Courier Ltd | Transport & logistics | 2025 |
| Callie Business Limited | Administrative & support | 2025 |
| Callq Ltd | Information & communication | 2018 |
| Calm and Chaos Collective Ltd | Health & social care | 2024 |
| Cals Canines Ltd | Other services | 2025 |
| Calsum Property Ltd | Real estate | 2023 |
| Caltech Lifts Limited | Manufacturing | 2003 |
| Calum Donald Joinery Services Ltd | Construction | 2020 |
| Calum Mckinnon Ltd | Transport & logistics | 2025 |
| Camelian Properties Limited | Construction | 2016 |
| Cameron Financial Limited | Financial services | 2007 |
| Cameron HR Ltd | Administrative & support | 2021 |
| Cameron Macdonald Couriers Ltd | Transport & logistics | 2022 |
| Camex Consulting Limited | Financial services | 2020 |
| Camocean Limited | Real estate | 2011 |
| Campbell - Gill Associates Ltd | Administrative & support | 2017 |
| Campbell Engineering Services Ltd | Professional & scientific | 2025 |
| Campbell Joinery (Fife) Ltd | Construction | 2026 |
| Campbell Mechanical Services Ltd | Wholesale & retail | 2023 |
| Campbell Properties Dundee Ltd | Real estate | 2020 |
| Camperdown Automotive Services Limited | Wholesale & retail | 2016 |
| Camperdown Estates Limited | Administrative & support | 2015 |
| Camperdown Financial Ltd. | Financial services | 2004 |
| Camperdown Golf Course Limited | Other services | 2025 |
| Camperdown Kitchens Limited | Construction | 2014 |
| Camperdown Leisure Limited | Hospitality | 2011 |
| Camperdown Properties Limited | Real estate | 2025 |
| Camperdown Transport Consultants Limited | Administrative & support | 2024 |
| Camperdown Tree Service Ltd | Agriculture & fishing | 2026 |
| Campfield Properties Ltd | Real estate | 2026 |
| Camphill Grove Care Limited | Other services | 2011 |
| Camplex Communications L.P. | | 2015 |
| Camron Property Limited | Real estate | 2024 |
| Camus Property Limited | Real estate | 2022 |
| Camvac Rockwell Limited | Manufacturing | 1997 |
| CAN Electrical Ltd | Construction | 2018 |
| Candid Architects (Scotland) Ltd | Professional & scientific | 2026 |
| Cando Flooring Limited | Construction | 2016 |
| Canmore Construction Scotland Limited | Construction | 2013 |
| Canny Dundee Ltd | Professional & scientific | 2018 |
| Cannyhawn Ltd | Wholesale & retail | 2024 |
| Canonical Engineer Limited | Other services | 2016 |
| Canscot (Properties) Limited | Real estate | 1963 |
| Cantaria Capital Investments Limited | Information & communication | 2017 |
| Canton Chen Limited | Hospitality | 2021 |
| Canuck Consulting Ltd | Professional & scientific | 2025 |
| Capercaillie Escapes Limited | Administrative & support | 2017 |
| Capo Contracts Ltd | Administrative & support | 2026 |
| Capones Dundee Ltd | Hospitality | 2020 |
| Captain Energy Ltd | Professional & scientific | 2023 |
| Carberry Developments Limited | Construction | 2002 |
| Carbon Saving Partners Limited | Professional & scientific | 2020 |
| Carbonxtras Limited | Professional & scientific | 2022 |
| Cardio Medical Sales L.P. | | 2013 |
| Cardtronics Creative UK Limited Partnership | | 2012 |
| Care Electrical Contractors Limited | Construction | 2015 |
| Carers Direct Limited | Other services | 2003 |
| Cares CAB Ltd | Transport & logistics | 2023 |
| Cargill's Consulting Ltd | Information & communication | 2020 |
| Carholm Projects L.P. | | 2015 |
| Carigie Bar Dundee Ltd | Hospitality | 2025 |
| Caring for Clients Limited | Professional & scientific | 2017 |
| Carisma Seafood Limited | Agriculture & fishing | 2020 |
| Carla Kelly Property Management Limited | Real estate | 2024 |
| Carling Ltd | Administrative & support | 2017 |
| Carlow Transit L.P. | | 2015 |
| Carlpool Solutions L.P. | | 2015 |
| Carlstone Contracts L.P. | | 2015 |
| Carlton Gilruth Nominees Limited | Professional & scientific | 1994 |
| Carmax Development L.P. | | 2016 |
| Carmeleon ARC Ltd | Wholesale & retail | 2021 |
| Carmichael Psychology Ltd | Education | 2024 |
| Carnegie Associates Limited | Professional & scientific | 1986 |
| Carnegie Couriers Ltd | Transport & logistics | 2026 |
| Carnoustie Golf Links Properties Limited | Hospitality | 2021 |
| Carnoustie Golf Travel Ltd | Administrative & support | 2026 |
| Carole Leslie T/A Accessorise @ Millars Limited | Wholesale & retail | 2023 |
| Carole's Properties Limited | Real estate | 2025 |
| Carona Services Limited | Professional & scientific | 2018 |
| Carpe Diem Dundee Limited | Other services | 2018 |
| Carpet Discount Warehouse Ltd | Wholesale & retail | 2025 |