| Clydeside Property Services Limited | Construction | 2004 |
| Clydeside Regeneration Limited | Construction | 2001 |
| Clydetec Systems Limited | Administrative & support | 2013 |
| Clydeview Industrial Limited | Manufacturing | 2015 |
| Clydewest Industrial Ltd | Professional & scientific | 2025 |
| CM & E Property Limited | Real estate | 2024 |
| CMB Properties Limited | Construction | 2016 |
| CMT Rail Ltd | Construction | 2019 |
| Cochno Financial Group Limited | Financial services | 2021 |
| Coco-Bella Academy Ltd | Education | 2017 |
| Coco-Bella Studio Ltd | Other services | 2016 |
| Coffee Club G81 Ltd | Hospitality | 2025 |
| Coffee Club Scotland 1 Limited | Hospitality | 2023 |
| Coffee Solutions Ho.Re.Ca Ltd | Wholesale & retail | 2022 |
| Cold 2 Sold Limited | Extraterritorial | 2009 |
| Columbus Facilities Maintenance Limited | Administrative & support | 2019 |
| Communication, Mailing and Database Services Limited | Transport & logistics | 1992 |
| Community Links Scotland | Professional & scientific | 2002 |
| Concept Computing Ltd | Information & communication | 2013 |
| Concept Group Limited | Wholesale & retail | 1984 |
| Connor Civils Limited | Construction | 2025 |
| Cordant Thistle Limited | Administrative & support | 2002 |
| Coromell East Limited | Real estate | 2026 |
| Coromell Investments Limited | Real estate | 2015 |
| Cosmo Investments Ltd | Hospitality | 2011 |
| Coughlan Consultancy Limited | Administrative & support | 2022 |
| Coyle Asset Management Ltd | Real estate | 2022 |
| CPZ Electrical Ltd | Professional & scientific | 2024 |
| CQ Security Ltd | Administrative & support | 2020 |
| Crafting Together CIC | Manufacturing | 2018 |
| Craig Scoular Ltd | Professional & scientific | 2018 |
| Crescent Design Ltd | Professional & scientific | 2022 |
| Cruachan Tours Ltd | Administrative & support | 2026 |
| CS Decor Limited | Construction | 2024 |
| CS Recruitment Ltd | Administrative & support | 2023 |
| CSD Air Conditioning Limited | Manufacturing | 2017 |
| CTC Direct Ltd | Professional & scientific | 2021 |
| Cube Side Ltd | Construction | 2024 |
| Cunningham Guild & Scott (Property Developments) Limited | Construction | 1989 |
| Cup-Kraft Limited | Manufacturing | 2025 |
| CUSTOM240 Ltd | Construction | 2011 |
| CVC Car Wash Ltd | Other services | 2018 |
| CWH Joinery and Construction Ltd | Construction | 2019 |
| CWK Waste Transfer Solutions Ltd | Water & waste | 2022 |
| D & E White Ltd | Wholesale & retail | 2023 |
| D&M Glasgow Ltd | Construction | 2017 |
| D-Set Records Ltd. | Arts & recreation | 2005 |
| D.F Electric Limited | Construction | 2024 |
| D.M.K Property & Letting Ltd | Real estate | 2026 |
| D19 Renewables Ltd | Construction | 2025 |
| Daddy MAC Logistics Ltd | Transport & logistics | 2025 |
| Dalewynd Limited | Other services | 2011 |
| Dalgleish Retailers Ltd | Wholesale & retail | 2024 |
| Dalmuir Cafe Limited | Hospitality | 2023 |
| Dalmuir Car Sales Limited | Wholesale & retail | 2025 |
| Dalmuir Foods Limited | Hospitality | 2025 |
| Dalmuir Lounge Ltd | Hospitality | 2022 |
| Dalmuir Shoplocal Ltd | Wholesale & retail | 2024 |
| Dance OFF Academy Ltd | Arts & recreation | 2015 |
| Dance Productions UK Ltd | Information & communication | 2025 |
| Danny Mccafferty Ltd | Construction | 2018 |
| Dante Richardson Media Ltd | Professional & scientific | 2023 |
| Dante Services Ltd | Wholesale & retail | 2025 |
| Davaar Advisors Ltd | Professional & scientific | 2016 |
| David Allen Consultancy Limited | Administrative & support | 2019 |
| David Flynn Industries Ltd | Professional & scientific | 2025 |
| David H Allan Group Limited | Professional & scientific | 1983 |
| David ORR Joinery,Ceilings & Partitions Limited | Construction | 2008 |
| Dawn Financial Wealth Ltd | Administrative & support | 2024 |
| Day-Today Clyde Limited | Wholesale & retail | 2022 |
| Dbmp Enterprises Ltd | Wholesale & retail | 2024 |
| DC Joiners and Builders Ltd | Construction | 2025 |
| Ddmm Property Ltd | Real estate | 2024 |
| DEK Consultants Ltd | Professional & scientific | 2025 |
| Deli Tree 1 Limited | Hospitality | 2024 |
| Deli Tree 139 Limited | Hospitality | 2023 |
| Deli Tree 17 Limited | Hospitality | 2025 |
| Deli Tree 276 Limited | Hospitality | 2023 |
| Deli Tree 34 Limited | Hospitality | 2024 |
| Deli Tree Limited | Hospitality | 2022 |
| Deluxos Ltd | Wholesale & retail | 2026 |
| Dereiss Entertainment Ltd | Arts & recreation | 2025 |
| Derek Stevely Autos Ltd | Wholesale & retail | 2025 |
| DFC Fit Gym Ltd | Arts & recreation | 2025 |
| DGL Stainless Steel Limited | Manufacturing | 1999 |
| DH Window Cleaning Services Limited | Administrative & support | 2026 |
| DHH Electrical Limited | Construction | 2025 |
| DIG Utility Teams Ltd | Construction | 2020 |
| Digiview Glasgow Ltd | Construction | 2022 |
| DJD84 Limited | Arts & recreation | 2018 |
| DLA Dumbarton Ltd | Wholesale & retail | 2025 |
| DM Direct Limited | Administrative & support | 2004 |
| DMA (Scotland) Ltd | Wholesale & retail | 2025 |
| DMA Properties (Scotland) Ltd | Real estate | 2025 |
| Donna M Payne Travel Services Limited | Administrative & support | 2024 |
| Donny's Dogs Ltd | Other services | 2025 |
| Doublo Foods Ltd | Manufacturing | 2026 |
| Dowell Homes Limited | Construction | 2024 |
| Dowell Properties (Scotland) Limited | Real estate | 2021 |
| DP HR International Ltd | Wholesale & retail | 2020 |