| Courtyard Cocktails Limited | Hospitality | 2020 |
| Cousins (Scotland) Limited | Construction | 2013 |
| Covanburn Weddings Ltd | Other services | 2022 |
| Cowan Clinical Ltd | Professional & scientific | 2012 |
| Cozco Latte Ltd | Hospitality | 2019 |
| Cozy Heating Limited | Construction | 2017 |
| Cppm Ltd | Real estate | 2026 |
| CPR Scotland Ltd | Construction | 2026 |
| CQN Publishing Limited | Information & communication | 2011 |
| Craighlaw Construction Ltd | Construction | 2021 |
| Cram Electrical Limited | Construction | 2002 |
| Crave Events UK Ltd | Hospitality | 2025 |
| Crawford Automobiles Limited | Wholesale & retail | 2025 |
| Crawford Flooring (Hamilton) Ltd | Wholesale & retail | 2024 |
| Crawford Flooring Lanarkshire Ltd | Wholesale & retail | 2025 |
| Crawford Flooring Limited | Wholesale & retail | 2019 |
| Crazy Karting Ltd | Arts & recreation | 2022 |
| CRC Plumbing Ltd | Construction | 2025 |
| Creaeons Ltd | Financial services | 2025 |
| Creative Cuisine by Jonathan Drew Ltd | Hospitality | 2025 |
| Creative Headspace Ltd | Real estate | 2018 |
| Creatr LED Ltd | Professional & scientific | 2024 |
| Creechan Accountancy Services Limited | Professional & scientific | 2017 |
| Cres Renewable Energy Services Ltd | Construction | 2023 |
| CRG Plastering and Roughcasting Ltd | Construction | 2021 |
| CRH Safety Consultants Ltd | Professional & scientific | 2024 |
| Crichton Brain Limited | Wholesale & retail | 1963 |
| Cristina Cleaners Ltd | Administrative & support | 2017 |
| CRM Corporate Solutions Limited | Professional & scientific | 2018 |
| Croftkirk Limited | Real estate | 2004 |
| Croftwood Store Ltd | Wholesale & retail | 2026 |
| Crown Conversions Limited | Manufacturing | 2003 |
| Crown ST Suites Ltd | Hospitality | 2024 |
| Crush Competitions Ltd | Arts & recreation | 2025 |
| Crystal and Pearl Boutique Ltd | Wholesale & retail | 2022 |
| CS Care Ltd | Health & social care | 2018 |
| Csi+M Ltd. | Administrative & support | 2008 |
| CSJ Services Ltd | Construction | 2022 |
| CT Contract Services Ltd | Construction | 2020 |
| CTM Driver Training Ltd | Education | 2024 |
| Cube Digital (Scotland) Ltd | Manufacturing | 2012 |
| Cubewraps Campus C.I.C. | Other services | 2023 |
| Cullen Ventures Holding Ltd | Financial services | 2024 |
| Cumbrae Views Ltd | Real estate | 2025 |
| Curley Property Solutions Limited | Real estate | 2023 |
| Currie Facilities Ltd | Professional & scientific | 2022 |
| Curry Lounge Restaurants Ltd | Hospitality | 2019 |
| Custom Bathrooms Glasgow Limited | Construction | 2018 |
| Custom Catering Trailers Limited | Administrative & support | 2026 |
| Custom REG Limited | Wholesale & retail | 2022 |
| Custom Vehicle Contracts Ltd | Administrative & support | 2020 |
| CUT & SEW Ltd | Manufacturing | 2024 |
| Cutelin Limited | Professional & scientific | 2005 |
| Cuthbertson & Laird Instruments Limited | Manufacturing | 1980 |
| Cuthbertson & Laird Limited | Professional & scientific | 2012 |
| Cutthroat J'S Ltd | Other services | 2023 |
| Cwall Construction Commercials Ltd | Professional & scientific | 2022 |
| CWM Flooring Ltd | Construction | 2019 |
| Cycleform Limited | Administrative & support | 2010 |
| Cycleform Training Limited | Administrative & support | 2013 |
| D & H Businesses Limited | Real estate | 1999 |
| D & H Estates Ltd | Real estate | 2019 |
| D & H Fruit & VEG Ltd | Wholesale & retail | 2014 |
| D & H Photo Services Limited | Professional & scientific | 2005 |
| D & J Murray (Leisure) Ltd | Wholesale & retail | 2010 |
| D & M Haulage (Mixer Hire) Ltd | Administrative & support | 2012 |
| D C Blackstock Ltd. | Professional & scientific | 2005 |
| D Clark Roofing Ltd | Construction | 2021 |
| D Cross Holdings Limited | Professional & scientific | 2019 |
| D F (Painting & Decorating) Limited | Other services | 2013 |
| D H Signs Limited | Professional & scientific | 2011 |
| D Hamilton Ltd | Transport & logistics | 2018 |
| D MAC Digital Limited | Professional & scientific | 2018 |
| D Ritchie Services Ltd | Manufacturing | 2025 |
| D Uplifts & Removals Ltd | Transport & logistics | 2024 |
| D&O Murphy Services Ltd | Construction | 2025 |
| D&S Plant Holdings Limited | Financial services | 2023 |
| D'Arcysdogadventures Ltd | Other services | 2025 |
| D'Nisi (Stranraer) Limited | Hospitality | 2011 |
| D'Nisi Alloa Ltd. | Hospitality | 2008 |
| D'Nisi Bathgate Ltd. | Hospitality | 2018 |
| D'Nisi Coffee Company (Franchise) Limited | Hospitality | 2006 |
| D'Nisi Coffee Company Limited | Hospitality | 2004 |
| D'Nisi Livingston Limited | Hospitality | 2022 |
| D'Nisi Shawlands Ltd. | Hospitality | 2008 |
| D. & R. Sharp (Chemists) Limited | Wholesale & retail | 1985 |
| D. Miller Pipe Fitting Limited | Manufacturing | 2025 |
| D.A.W. Trades Contractor Ltd | Construction | 2014 |
| D.R Electrical Communications Limited | Information & communication | 2009 |
| D3 Plus Limited | Professional & scientific | 2001 |
| DA Antonio T Ltd | Hospitality | 2024 |
| DA Retail Ltd | Wholesale & retail | 2019 |
| DAB Property Management Ltd | Real estate | 2025 |
| Dace Cleaning Services Ltd | Administrative & support | 2022 |
| DAF (Scotland) Ltd | Administrative & support | 2023 |
| Dafn Plant Ltd | Construction | 2020 |
| Dagda Contracts Limited | Manufacturing | 2025 |
| Dalziel Aesthetics Limited | Other services | 2019 |
| Damada (Asbestos Removals) Limited | Other services | 1996 |
| Damada Limited | Extraterritorial | 2006 |