| Choize Ltd | Wholesale & retail | 2018 |
| Christian Chinedu Associates Ltd | Professional & scientific | 2023 |
| Chromex Limited | Wholesale & retail | 2026 |
| Chsg Ltd | Professional & scientific | 2021 |
| Citizens Advice Bureau West Lothian | Information & communication | 2012 |
| Citrus Mind Ltd. | Information & communication | 2003 |
| City and Town Investment Group Ltd | Real estate | 2025 |
| City Escape Properties Ltd | Real estate | 2024 |
| Citydel Logistics Ltd | Transport & logistics | 2025 |
| Civitas Consulting Ltd | Professional & scientific | 2024 |
| Cjproprentals Ltd | Real estate | 2025 |
| Clankicks Ltd | Wholesale & retail | 2026 |
| Clariti Compliance Ltd | Information & communication | 2026 |
| Clarkson & Graham Property Management Ltd | Real estate | 2025 |
| Clarkson Utilities Ltd | Professional & scientific | 2019 |
| Clean Burner Systems Limited | Manufacturing | 2007 |
| Clean Carbon Limited | Manufacturing | 2021 |
| Cleaning Gems NBC Ltd | Administrative & support | 2024 |
| Cleanwater Energy Services Ltd | Construction | 2021 |
| Clearfeather LLP | | 2014 |
| Cleverhouse Limited | Construction | 2007 |
| Click Netherfield Limited | Manufacturing | 2000 |
| Cloud Computing Services Ltd | Information & communication | 2016 |
| Clovers Transport Ltd | Transport & logistics | 2025 |
| Clse Limited | Real estate | 2025 |
| Clubhouse Bars Limited | Hospitality | 2017 |
| Cmcm Consulting Ltd | Information & communication | 2022 |
| CME Investments Limited | Education | 2002 |
| CMG Groundworks Ltd | Construction | 2020 |
| CMI Plumbing & Heating Ltd | Administrative & support | 2016 |
| CMO Leith Ltd | Wholesale & retail | 2014 |
| CNG Scotland Ltd | Extraterritorial | 2015 |
| Coasters AV Limited | Administrative & support | 2018 |
| Coco's Atelier Ltd | Professional & scientific | 2020 |
| Cogniflow AI Ltd | Information & communication | 2025 |
| Coiron Ltd | Manufacturing | 2015 |
| Coleburn Distillery Limited | Manufacturing | 2014 |
| Colin Barr Associates Limited | Professional & scientific | 2006 |
| Colorado Construction & Engineering Limited | Construction | 2006 |
| Colorado Developments (2010) Limited | Construction | 2006 |
| Colorado Group Limited | Construction | 2005 |
| Colorado Homes (Little Spott) Limited | Construction | 2006 |
| Colorado Homes (Pathgreen) Limited | Construction | 2008 |
| Colorado Letting and Property Management Limited | Construction | 2006 |
| Colour Chaos Collective Limited | Arts & recreation | 2026 |
| Colt Property Limited | Real estate | 2023 |
| Column Infotech Ltd | Information & communication | 2013 |
| Column Properties Ltd | Real estate | 2024 |
| Comas Psychology Ltd | Education | 2024 |
| Comino Properties Limited | Real estate | 2022 |
| Community Enterprise Limited | Administrative & support | 1987 |
| Compass Estates Group Ltd | Real estate | 2022 |
| Compass Estates Sales Limited | Real estate | 2026 |
| Complete Autoparts UK Limited | Wholesale & retail | 2021 |
| Complete Spares Limited | Wholesale & retail | 2023 |
| Computer Links Limited | Information & communication | 1990 |
| Connected IP Limited | Construction | 2026 |
| Connexus Advisory Limited | Professional & scientific | 2025 |
| Continental Spices Livingston Ltd | Wholesale & retail | 2017 |
| Continental West Lothian Ltd | Wholesale & retail | 2025 |
| Control Properties Ltd | Real estate | 2025 |
| Control Securities Ltd | Administrative & support | 2021 |
| Convivencia Limited | Hospitality | 2025 |
| Cook House Livingston Ltd | Hospitality | 2025 |
| COR Prop Newco 1 Ltd | Real estate | 2020 |
| Coralinn Cyber Security Ltd | Information & communication | 2023 |
| Coralinn Livingston LLP | | 2013 |
| Coralinn LLP | | 2010 |
| Coralinn Properties Glasgow Ltd | Real estate | 2017 |
| Coralinn Properties Livingston Limited | Real estate | 2019 |
| Coralinn Properties LLP | | 2011 |
| Coralinn Property France Limited | Real estate | 2022 |
| Coralinn Property Group Ltd | Financial services | 2020 |
| Coralinn Property NI Ltd | Real estate | 2022 |
| Corbett Property Group Ltd | Real estate | 2019 |
| Cosmetic Teeth Whitening Products Limited | Wholesale & retail | 2014 |
| Cosmos Cleaning Ltd | Administrative & support | 2024 |
| Cost Control Solutions Ltd | Professional & scientific | 2018 |
| Cotly Ltd | Wholesale & retail | 2022 |
| Countrylife Homes Limited | Administrative & support | 2006 |
| Courtney & Mcmillan (Broxburn) Limited | Wholesale & retail | 1994 |
| Covebrae Limited | Professional & scientific | 2005 |
| Covenant Connections Ltd | Other services | 2026 |
| COX Long Limited | Professional & scientific | 1991 |
| Cozyflooringstore Ltd | Wholesale & retail | 2025 |
| CR Training Solutions (Scotland) Limited | Professional & scientific | 2022 |
| Crafted by Studio Ltd | Manufacturing | 2026 |
| Cramond Residence Limited | Health & social care | 2015 |
| Cranagh Letting Ltd | Real estate | 2023 |
| Create Your Home Limited | Construction | 2019 |
| Create Yours Limited | Construction | 2019 |
| Criss Construction Rendering Ltd | Construction | 2019 |
| CRM Flooring Limited | Construction | 2025 |
| Croileagan Nurseries Limited | Real estate | 2005 |
| Crown Records Management Limited | Administrative & support | 1995 |
| Crown Relocation Services Limited | Extraterritorial | 1990 |
| Crown Worldwide Limited | Transport & logistics | 1970 |
| CSO Holdings Ltd | Financial services | 2025 |
| CSO Lets Limited | Real estate | 2023 |
| CTD IT Ltd | Information & communication | 2023 |