| C K Debt Help Ltd | Professional & scientific | 2023 |
| C Parducci Wholesale Limited | Manufacturing | 2005 |
| Caddisfly Kitchens Ltd | Wholesale & retail | 2016 |
| Caddisfly Kitchens Scotland Ltd | Wholesale & retail | 2026 |
| Cairn Developments (SCO) Ltd | Construction | 2025 |
| Caledonia TX Limited | Information & communication | 2019 |
| Caledonian Electrical Services Limited | Manufacturing | 2007 |
| Caledonian Greens Ltd | Agriculture & fishing | 2024 |
| Callaghan Property Management Ltd | Real estate | 2024 |
| Callan's Convenient Catering Ltd | Hospitality | 2023 |
| Cameron Ceilings and Partitions Ltd | Construction | 2018 |
| Cameron Developments &Holdings Limited | Real estate | 2022 |
| Campbell GAS Ltd | Construction | 2021 |
| Campbell Property Solutions Ltd | Real estate | 2025 |
| Canning Construction Services Limited | Construction | 2025 |
| Capper (Holdings) Limited | Financial services | 2013 |
| Care Oak Services Ltd | Administrative & support | 2024 |
| Carmichael Property Limited | Real estate | 2025 |
| Carpets Plus Johnstone Ltd | Wholesale & retail | 2018 |
| Cascade Conservation CIC | Professional & scientific | 2025 |
| Catch Scotland Ltd | Health & social care | 2010 |
| CB Squared Accounting Ltd | Professional & scientific | 2019 |
| CB Squared Technology Ltd | Information & communication | 2019 |
| CB12 Ceramic Solutions Limited | Wholesale & retail | 2020 |
| CCL Enterprises Ltd | Households | 2026 |
| Ccosecurityservicesscotland Ltd | Administrative & support | 2025 |
| CDC Engineering Ltd | Construction | 2025 |
| Celtic Music Radio Limited | Information & communication | 2004 |
| Chalmers & Mccutcheon Properties Limited | Real estate | 2021 |
| Charles Schneer Limited | Real estate | 2021 |
| Charliebuoy Ltd | Construction | 2023 |
| Chefs Meal Prep Ltd | Hospitality | 2020 |
| Citywide Window Cleaning Ltd | Administrative & support | 2023 |
| CJ Specialists Ltd | Construction | 1993 |
| CJB Rentals Ltd | Real estate | 2025 |
| Cjmc Property Investments Ltd | Real estate | 2020 |
| CK Hair Ltd. | Real estate | 1999 |
| CLA Accountancy Services Ltd | Professional & scientific | 2015 |
| Cleaning Maids Ltd | Administrative & support | 2019 |
| CLG Bookkeeping Limited | Professional & scientific | 2021 |
| CLM Build Projects Ltd | Construction | 2026 |
| Clmorgan Ltd | Construction | 2024 |
| Clyde Construction & Joinery Ltd | Construction | 2023 |
| Clyde Operational Management Services Limited | Professional & scientific | 2025 |
| Clyde Retail Hub Ltd | Wholesale & retail | 2025 |
| Co Marine Ltd | Professional & scientific | 2025 |
| Coast DAB Ltd | Information & communication | 2022 |
| Cochrane Consultants Limited | Professional & scientific | 2015 |
| Cochrane Elliott Consulting Ltd | Professional & scientific | 2024 |
| Cocoon Environmental Safety Limited | Professional & scientific | 2004 |
| Coeur Sauvage Ltd | Other services | 2021 |
| Cohen - Art Ltd | Arts & recreation | 2018 |
| Colmed Limited | Health & social care | 2014 |
| Combustion Cars Ltd | Wholesale & retail | 2024 |
| Commercial and Asset Finance Ltd. | Administrative & support | 2007 |
| Commercial and Asset Lending Ltd | Financial services | 2018 |
| Connected Minds Psychology Ltd | Health & social care | 2023 |
| Connette Digital Limited | Information & communication | 2020 |
| Conservatory Conversions & Windows Limited | Construction | 2017 |
| Contracts @ Crawford Ltd | Administrative & support | 2025 |
| Coorie Scotland Ltd | Real estate | 2025 |
| Core 8 Ltd | Real estate | 2025 |
| Countner Frank Limited | Real estate | 2021 |
| Cozee Living Homes Limited | Real estate | 2025 |
| CRB Couriers Ltd | Transport & logistics | 2025 |
| Creatiio Limited | Extraterritorial | 2023 |
| Crgrieve Limited | Professional & scientific | 2025 |
| Crobbpharm Limited | Health & social care | 2022 |
| Ctec (Scotland) Ltd | Education | 2015 |
| Cumbrae Oysters Limited | Agriculture & fishing | 1995 |
| Curio Creative Ltd | Professional & scientific | 2023 |
| Curly Coffee Company Ltd | Manufacturing | 2019 |
| Cyclelane Johnstone Ltd | Wholesale & retail | 2024 |
| Cygnus Electrical Ltd | Construction | 2011 |
| D Mckenzie Consulting Limited | Professional & scientific | 2021 |
| D&N Group Ltd | Wholesale & retail | 2020 |
| DAB Hand Industries Limited | Hospitality | 2025 |
| Dacro Ltd | Health & social care | 2013 |
| Darren Leitch Electrical Ltd | Construction | 2020 |
| Data and Power Solutions Ltd | Construction | 2020 |
| David Blair Services Ltd | Agriculture & fishing | 2021 |
| David Ritchie Limited | Other services | 1928 |
| DE Buddha Company Limited | Hospitality | 2023 |
| Denholm Group M&E Ltd | Manufacturing | 2022 |
| Denture Design Ltd | Manufacturing | 2023 |
| DGS Fab&Steelwork Ltd | Administrative & support | 2015 |
| Dhgsjs Ltd | Wholesale & retail | 2016 |
| DI Maggio Brothers Ltd | Hospitality | 2024 |
| Diamondpressure Ltd | Administrative & support | 2025 |
| Dine @ Habbies Limited | Hospitality | 2022 |
| DLC Servicing Ltd | Construction | 2025 |
| DMF Logistics Limited | Transport & logistics | 2022 |
| DMP UTI Limited | Professional & scientific | 2006 |
| Docherty Transport Limited | Transport & logistics | 2009 |
| Drap a Gear Ltd | Wholesale & retail | 2024 |
| Drayage UK Limited | Transport & logistics | 2016 |
| Drop Zone Developments Ltd | Construction | 2023 |
| Dropro Aerial Imagery Ltd | Professional & scientific | 2017 |
| Drums N Hoses Ltd | Other services | 2024 |
| E&I News Box Ltd | Wholesale & retail | 2014 |