| Chris Brown Joinery Limited | Construction | 2014 |
| Circa Security Limited | Administrative & support | 1993 |
| Circular Energies Ltd | Administrative & support | 2023 |
| City CAB Transport Ltd | Transport & logistics | 2021 |
| CJF Joinery Limited | Construction | 2026 |
| CJM Taxis Limited | Professional & scientific | 2000 |
| CJW Wholesale Limited | Wholesale & retail | 2019 |
| Clan Mcleod Coaches Limited | Transport & logistics | 2012 |
| Clark & Smith Ltd. | Construction | 2006 |
| Clean N Tidy Services Ltd | Other services | 2022 |
| CM Autotec Garage Services and Transport Ltd | Wholesale & retail | 2023 |
| CM Energy Services Ltd | Professional & scientific | 2024 |
| CMC Paving & Landscaping Ltd | Administrative & support | 2026 |
| CMG Flooring Solutions Ltd | Construction | 2024 |
| Coach 22 Limited | Administrative & support | 2015 |
| Cofa Cafe Ltd | Hospitality | 2025 |
| Colaird Letting Ltd | Households | 2025 |
| Colin Brown Motors Limited | Wholesale & retail | 2015 |
| Collis-Holmes Innovations Limited | Information & communication | 2017 |
| Community Retail Ltd | Wholesale & retail | 2023 |
| Comoska Cleaning Services Ltd | Administrative & support | 2025 |
| Compassionate Accompaniment CIC | Health & social care | 2019 |
| Complete Kosmos Ltd | Administrative & support | 2025 |
| Construction Design Architects Limited | Professional & scientific | 2009 |
| Contour Construction Ltd | Construction | 2024 |
| Convenience Hub Ltd | Wholesale & retail | 2024 |
| Cooper & Grant Ltd | Construction | 2025 |
| Cordnet Limited | Information & communication | 2015 |
| Core CUT Fire Protection Ltd | Construction | 2016 |
| Core CUT Nuclear Ltd | Construction | 2016 |
| Core CUT Offshore Ltd | Professional & scientific | 2024 |
| Corejet Water Jetting Limited | Construction | 2013 |
| Cornerstone Store Ltd | Wholesale & retail | 2025 |
| Courtvital Limited | Hospitality | 1992 |
| Cozy Homes 4 YOU Limited | Real estate | 2024 |
| CP4Y Limited | Wholesale & retail | 2025 |
| Crafts & Creations Ltd | Manufacturing | 2025 |
| Craftwayz Ltd | Transport & logistics | 2024 |
| Craig Millie Properties Ltd | Real estate | 2020 |
| Craigs Eco Construction Limited | Construction | 2009 |
| Craigs Eco Consultancy Ltd | Construction | 2013 |
| Craigs Eco Developments Limited | Construction | 2013 |
| Craigs Eco Passive Homes Ltd | Construction | 2019 |
| Craigs Homes Ltd | Construction | 2017 |
| Crathes Capital Limited | Financial services | 2025 |
| Crichton Mackie Taxation Services Limited | Professional & scientific | 2020 |
| Crighton Construction (Scotland) Limited | Construction | 1991 |
| CRL Estate Ltd | Real estate | 2024 |
| Crosswood Trading Limited | Wholesale & retail | 2011 |
| Crown Safety Limited | Professional & scientific | 2009 |
| CS Window & Gutter Cleaning Limited | Other services | 2019 |
| Cumbernauld Retail Ltd | Wholesale & retail | 2024 |
| Curryhouse Scot Limited | Hospitality | 2026 |
| CV Business Consultants Limited | Professional & scientific | 2025 |
| Cvjv Investments Limited | Financial services | 2025 |
| D R Garage Services Ltd | Wholesale & retail | 2025 |
| D.Stewart Contracts Ltd | Construction | 2020 |
| D7 Investments Group Ltd | Real estate | 2025 |
| D7 Property & Investments Ltd | Real estate | 2025 |
| DA Consultancy (Scotland) Ltd | Professional & scientific | 2020 |
| Dalton Demolition (UK) Limited | Construction | 2001 |
| Dalton Developments Limited | Real estate | 2003 |
| Dalton Group Limited | Water & waste | 1984 |
| Dalton Metal Recycling Limited | Financial services | 2011 |
| Database Solutions Limited | Information & communication | 2015 |
| Datasafe Limited | Information & communication | 2015 |
| Daurali Ltd | Hospitality | 2024 |
| DB Car Sales Limited | Wholesale & retail | 2016 |
| DBM (Broxburn) Limited | Administrative & support | 2016 |
| DBM (Scotland) Ltd. | Administrative & support | 2004 |
| DBM Food Hygiene Supplies Ltd. | Wholesale & retail | 1996 |
| DBM Holdings Ltd. | Administrative & support | 2004 |
| DBM Packaging Ltd. | Administrative & support | 2005 |
| DBM Property Ltd | Real estate | 2013 |
| Dcon Services Ltd | Construction | 2024 |
| Dechmont Forklift Trucks Limited | Manufacturing | 2010 |
| Delish Delights Alva Ltd | Hospitality | 2025 |
| Demcon Training Specialists Ltd | Construction | 2018 |
| Dermiglo Limited | Other services | 2020 |
| Deryck Barnes Taxis Limited | Transport & logistics | 2014 |
| Desi Kitchen Scotland Ltd | Manufacturing | 2017 |
| Designs by Majestic Tiles Ltd | Wholesale & retail | 2026 |
| Devozar Ltd | Information & communication | 2025 |
| Dhan&Seth Scot Limited | Hospitality | 2023 |
| Dilidue Ltd | Information & communication | 2024 |
| DJN IC Layout Design Limited | Professional & scientific | 2023 |
| DKS Autocare Ltd | Wholesale & retail | 2023 |
| DMF Solutions Ltd | Information & communication | 2026 |
| Dog & FOX Ltd | Professional & scientific | 2022 |
| Donzlinz Auto Repair Ltd | Wholesale & retail | 2023 |
| Dougal Philip Employee Ownership Trustees Limited | Administrative & support | 2019 |
| Dougal Philip Limited | Wholesale & retail | 1998 |
| DR AMY Aesthetics Limited | Other services | 2021 |
| DRB Foods Ltd | Hospitality | 2024 |
| Driveway Rescue Ltd | Administrative & support | 2014 |
| Drummond Couriers Ltd | Transport & logistics | 2026 |
| DS Steel Ltd | Construction | 2022 |
| DSD Garage Services Ltd | Wholesale & retail | 2020 |
| Dstirling Ltd | Health & social care | 2023 |
| Duddingston Village Limited | Construction | 2025 |