| Cairngorm Cremation Ltd | Professional & scientific | 2021 |
| Cairngorm Edge Limited | Professional & scientific | 2026 |
| Cairngorm Funeral Directors Ltd | Professional & scientific | 2021 |
| Cairngorm Funeral Services Ltd | Professional & scientific | 2021 |
| Cairngorm Funeral Supplies Ltd | Professional & scientific | 2021 |
| Cairngorm Grounds Maintenance Ltd | Professional & scientific | 2021 |
| Cairngorm Holiday Cottages Limited | Hospitality | 2019 |
| Cairngorm Memorials Ltd | Professional & scientific | 2021 |
| Cairnhill Developments Limited | Construction | 1996 |
| Cairnrobin 2015 Limited | Extraterritorial | 2015 |
| Cairns Resourcing Ltd | Administrative & support | 2015 |
| Cairnstone Advisory Ltd | Professional & scientific | 2021 |
| Cairnton Estate Limited | Agriculture & fishing | 2006 |
| Cairnwell Energy Solutions Ltd | Professional & scientific | 2024 |
| Cairnwell Engineering Limited | Professional & scientific | 2021 |
| Cairnwood Reserve Limited | Financial services | 2025 |
| Caithness Fishselling Company Limited | Professional & scientific | 1972 |
| Cake the Great Ltd | Information & communication | 2021 |
| CAL Consulting Ltd | Professional & scientific | 2023 |
| Cala Evans Restoration Limited | Construction | 2003 |
| Cala Homes (East) Limited | Construction | 1973 |
| Cala Homes (North) Limited | Construction | 2013 |
| Cala Homes (Scotland) Limited | Professional & scientific | 2001 |
| Cala Homes (West) Limited | Construction | 2001 |
| Cala Homes Limited | Construction | 1981 |
| Calash Holdings Limited | Administrative & support | 2016 |
| Calash Limited | Administrative & support | 2001 |
| Caldwell Integrity Management Services Ltd | Professional & scientific | 2016 |
| Caledonia Climate Solutions Ltd | Construction | 2023 |
| Caledonia Estates (Aberdeen) Ltd | Real estate | 2025 |
| Caledonia Estates Management Ltd | Households | 2025 |
| Caledonia Health & Fitness (Scotland) Ltd | Arts & recreation | 2017 |
| Caledonia Homecare Limited | Health & social care | 2014 |
| Caledonia Services Limited | Manufacturing | 2007 |
| Caledonian Access Limited | Manufacturing | 2020 |
| Caledonian Airborne Limited | Professional & scientific | 2009 |
| Caledonian Collectables Ltd. | Wholesale & retail | 2012 |
| Caledonian Cranes Ltd | Administrative & support | 2006 |
| Caledonian Flow Systems Ltd. | Professional & scientific | 1999 |
| Caledonian Marine Limited | Professional & scientific | 2000 |
| Caledonian Optical Limited | Manufacturing | 1974 |
| Calex Engineering Ltd | Professional & scientific | 2017 |
| Caley Ocean Systems Limited | Manufacturing | 1999 |
| Caleycom Limited | Information & communication | 2010 |
| Calfab Limited | Manufacturing | 2021 |
| Calibre Power Electronics Limited | Professional & scientific | 2000 |
| Caliro Limited | Real estate | 2020 |
| Calisto V Limited | Professional & scientific | 2014 |
| Call-Off Contract Limited | Professional & scientific | 2016 |
| Callidus Services Limited | Real estate | 1999 |
| Calling Bridge Limited | Information & communication | 2023 |
| Callsy Digital Limited | Information & communication | 2026 |
| Callubella Ltd | Real estate | 2025 |
| Callum Malley Ltd | Mining & quarrying | 2025 |
| Calm Balance Ltd | Real estate | 2019 |
| Calmat Consulting Limited | Professional & scientific | 2018 |
| Calmechtech Ltd | Professional & scientific | 2026 |
| Calnet Solutions Ltd | Information & communication | 2012 |
| Calsam Tech Limited | Professional & scientific | 2007 |
| Calvin Haggis Limited | Arts & recreation | 2025 |
| Calydon Ltd. | Administrative & support | 2008 |
| CAM Logistics Services Limited | Administrative & support | 2015 |
| Camabi Ltd | Administrative & support | 2014 |
| Cambiguous Limited | Manufacturing | 2025 |
| Cambla Limited | Information & communication | 2012 |
| Camcoo Investments Ltd | Real estate | 2024 |
| Cameron + Ross Limited | Professional & scientific | 1993 |
| Cameron Archaeology Limited | Professional & scientific | 2010 |
| Cameron Logistics Solutions Limited | Professional & scientific | 2007 |
| Camko Limited | Hospitality | 2009 |
| Camm Fishing Limited | Agriculture & fishing | 1994 |
| Cammach Consulting Limited | Information & communication | 2016 |
| Cammachmore Bay Limited | Agriculture & fishing | 2021 |
| Camoco Limited | Mining & quarrying | 2003 |
| Campbell & Sellar (Properties) Limited | Real estate | 2012 |
| Campbell & Sellar Limited | Administrative & support | 2012 |
| Campbell Holdco Limited | Financial services | 2025 |
| Camphill (Rudolf Steiner) Estates Limited | Construction | 1945 |
| Camphill Architecture & Development Ltd | Professional & scientific | 2015 |
| Camphill Medical Practice Limited | Health & social care | 1989 |
| Camphill Rudolf Steiner Schools Limited | Education | 1987 |
| Camserv Ltd | Professional & scientific | 2014 |
| Camtech Electrical Ltd | Construction | 2023 |
| Camtech Engineering Ltd | Professional & scientific | 2012 |
| Camtheman Ltd | Professional & scientific | 2026 |
| CAN Well Solutions Ltd | Professional & scientific | 2019 |
| Canary Diamonds Limited | Information & communication | 2017 |
| Candeapartment Ltd | Hospitality | 2024 |
| Candour Energy Limited | Other services | 2014 |
| Candour Environmental Limited | Other services | 2014 |
| Candy's Dream Cake Ltd | Hospitality | 2023 |
| Cannan Worldwide Investments Limited | Professional & scientific | 2015 |
| Canniesburn Limited | Construction | 2003 |
| Canonmills Limited | Other services | 2008 |
| Cansco Limited | Professional & scientific | 2008 |
| Cansco Pressure Control Limited | Professional & scientific | 2008 |
| Canswer Biosolutions Limited | Manufacturing | 2025 |
| Cantona Ltd | Professional & scientific | 2023 |
| Cantray Healthcare Limited | Health & social care | 2021 |
| Caol Construction Ltd | Construction | 2026 |