| Canteen Caterers (SCO) Limited | Hospitality | 2015 |
| Canteen Ltd | Information & communication | 2024 |
| Canto Properties Ltd | Real estate | 2023 |
| CAP Domestic Limited | Construction | 2021 |
| Car Finance Scotland Limited | Wholesale & retail | 2024 |
| Car Shine Limited | Wholesale & retail | 2018 |
| Carbeth Fishery Limited | Agriculture & fishing | 2022 |
| Care by ASH Limited | Health & social care | 2024 |
| Care First Lanarkshire Ltd | Health & social care | 2025 |
| Care IT Support Ltd | Information & communication | 2019 |
| Carey Contracts Limited | Construction | 2020 |
| Carmel Holdings Limited | | 2023 |
| Carmody Consultancy Ltd | Professional & scientific | 2013 |
| Carnation House Ltd | Wholesale & retail | 2026 |
| Carpet and Flooring Centre Ltd | Wholesale & retail | 2024 |
| Carpet King (Glasgow) Ltd | Wholesale & retail | 2018 |
| Carpets & Flooring (Barrhead) Limited | Construction | 2017 |
| Carrel Limited | | 2025 |
| Carrier Solutions Group Ltd | Transport & logistics | 2023 |
| Carroll Ecology Limited | Professional & scientific | 2016 |
| Cars & Clubs (UK) Ltd | Other services | 2023 |
| Carzomlum Ltd | Construction | 2025 |
| Casa Developments (Scotland) Ltd | Construction | 2015 |
| Casa Lawson Ltd | Professional & scientific | 2022 |
| Cashliefield Services Limited | Professional & scientific | 1997 |
| Cass Comm Ltd | Information & communication | 2018 |
| Castle Eurocentral (Travel) Ltd | Transport & logistics | 2013 |
| Castlegate Consultants Ltd | Administrative & support | 2026 |
| Cat (Hamilton) Ltd | Wholesale & retail | 2014 |
| Cathies Homes Ltd | Real estate | 2024 |
| Cathy Wilkes Limited | Arts & recreation | 2013 |
| Cathy's Beauty Naturals Ltd | Other services | 2011 |
| Catriona MC Auley Boyle Limited | Professional & scientific | 2022 |
| Cavosh Ltd | Administrative & support | 2026 |
| CB Logistic Services Limited | Transport & logistics | 2018 |
| CB Scott Holdings Ltd | Financial services | 2025 |
| CBL Electrical Limited | Extraterritorial | 2020 |
| CBS (Scotland) Limited | Professional & scientific | 2011 |
| CC Pipe Mech Limited | Construction | 2017 |
| CCL Building Solutions Ltd | Construction | 2025 |
| CCL Electrical Ltd | Construction | 2020 |
| Cdgra Limited | Hospitality | 2019 |
| CDL Process Solutions Ltd | Professional & scientific | 2018 |
| CDL Properties Limited | Real estate | 2010 |
| CDR Properties Ltd | Real estate | 2018 |
| CE Hamilton Ltd | Professional & scientific | 2025 |
| Ceann Tire Capital Limited | Professional & scientific | 2011 |
| Ceeblue Properties Ltd | Real estate | 2019 |
| Celebrateandbake Ltd | Professional & scientific | 2026 |
| Celestial Events Ltd | Other services | 2022 |
| Celestial Tattoo Limited | Other services | 2024 |
| Cello Holdings Limited | Professional & scientific | 2009 |
| Cello Service Ltd | Manufacturing | 2012 |
| Cello Solar Ltd | Energy | 2016 |
| Centra Tech Drainage Ltd | Construction | 2024 |
| Central Scotland Maintenance Ltd | Construction | 2011 |
| Central Temperature Ltd | Energy | 2018 |
| Century 21 Co. Ltd. | Manufacturing | 2013 |
| Ceramexcel Contract Ceramics Ltd | Construction | 2012 |
| Certio Ltd | Extraterritorial | 2024 |
| Cessero Ltd | Financial services | 2024 |
| CG Motorland Limited | Wholesale & retail | 2018 |
| CG Quantum Services Ltd | Professional & scientific | 2021 |
| CGJ Property Development Ltd | Real estate | 2026 |
| CGL Solutions Limited | Transport & logistics | 2025 |
| CH Properties Scotland Limited | Real estate | 2014 |
| Chaihel Group Ltd | Transport & logistics | 2024 |
| Chalta Bazaar Ltd | Wholesale & retail | 2026 |
| Chande Property Ltd | Real estate | 2021 |
| Chande PVT Care Ltd | Health & social care | 2021 |
| Chanla Limited | | 2025 |
| Channel Feeder Limited | Information & communication | 2021 |
| Chapelton Management Consultants Limited | Professional & scientific | 2011 |
| Charles Morgan Partnership Limited | Professional & scientific | 2009 |
| Charnwood Mechanical Limited | Construction | 2022 |
| Chartwell Industries Limited | | 2022 |
| Cherry PIE Tattoo Limited | Other services | 2018 |
| Cherry Tattoos Limited | Arts & recreation | 2023 |
| Chesterton Engineering Ltd | Professional & scientific | 2025 |
| CHG Holdings Ltd | | 2023 |
| Chillies Takeaway Limited | Hospitality | 2014 |
| China Project Management Limited | Wholesale & retail | 2003 |
| Chippy Corner Ltd | Hospitality | 2022 |
| Chisholm Marine Commissioning Ltd | Construction | 2019 |
| Chofski Consulting Ltd | Professional & scientific | 2016 |
| Chosen Practice Limited | Professional & scientific | 2023 |
| CHP Scotland Limited | Real estate | 2014 |
| Chris Bowman Fitness Limited | Arts & recreation | 2011 |
| Chris Purdie Joiners & Builders Ltd | Construction | 2023 |
| Christian Schools (Scotland) Limited | Education | 1987 |
| Ciao!Lanarkshire CIC | Education | 2025 |
| Ciccetta's Ltd | Manufacturing | 2025 |
| Circulair Ltd | Construction | 2018 |
| CIS Mobile Valeting Ltd | Wholesale & retail | 2025 |
| Cisp Ltd | Real estate | 2019 |
| City Drain Clear Holding Company Ltd | Financial services | 2024 |
| City Drain Clear Limited | Administrative & support | 2011 |
| City Nests Limited | Real estate | 2016 |
| City Quantum Limited | Professional & scientific | 2019 |
| CJ Financial Management Limited | Financial services | 2026 |