| Core Quality Limited | Other services | 2009 |
| Core Specialist Services Limited | Mining & quarrying | 2010 |
| Core Value Care Ltd | Health & social care | 2025 |
| CORE29 Holdings Limited | Administrative & support | 2016 |
| CORE29 Limited | Information & communication | 2012 |
| Coremax Limited | Professional & scientific | 1989 |
| Coresafe Hub Ltd | Professional & scientific | 2020 |
| Coresafe Limited | Professional & scientific | 2025 |
| Corestruct Consult Limited | Professional & scientific | 2010 |
| Coresystems Solutions Ltd | Information & communication | 2025 |
| Coretrace Ltd | Information & communication | 2026 |
| Coretrax Global Limited | Professional & scientific | 2002 |
| Coretrax Technology Limited | Professional & scientific | 2008 |
| Coriander BAE Ltd | Hospitality | 2023 |
| Cormack Energy Services Ltd | Professional & scientific | 2015 |
| Cornellan Limited | Real estate | 2024 |
| Corner Bar Arbroath Limited | Hospitality | 2017 |
| Cornerstone Advisory Services Limited | Professional & scientific | 2010 |
| Cornhill Aberdeen Ltd | Hospitality | 2013 |
| Cornhill Garden Limited | Hospitality | 2017 |
| Coro Asia Renewables Ltd | Professional & scientific | 2019 |
| Coronella Limited | Professional & scientific | 2024 |
| Corp Inc Limited | Professional & scientific | 2024 |
| Corporate Accommodation Ltd | Real estate | 2017 |
| Corrind Limited | Professional & scientific | 2008 |
| Corrosion Resistant Alloys-Mechanical (UK) Limited | Wholesale & retail | 2011 |
| Corse Consultants Ltd | Education | 2021 |
| Cortez Subsea Limited | Mining & quarrying | 2010 |
| Cortisol Limited | Manufacturing | 2026 |
| Cosdos Limited | Mining & quarrying | 2026 |
| Cosl UK Limited | Mining & quarrying | 2022 |
| Cosmicsplash Ltd | Mining & quarrying | 2015 |
| Cosmo Dynamics Limited | Construction | 2024 |
| Costain Upstream Limited | Professional & scientific | 2008 |
| Cosy Aberdeen Ltd | Real estate | 2025 |
| Cosy House Catering Ltd | Hospitality | 2023 |
| Cosy House Ltd | Hospitality | 2023 |
| Cotag 4X4 Response | Other services | 2006 |
| Cotburn Wind Energy Limited | Administrative & support | 2010 |
| Cothill Farm | | 2000 |
| Cothrom Properties Ltd | Real estate | 2024 |
| Cottage Cars (Aberdeen) Ltd. | Wholesale & retail | 2008 |
| Coull Car Sales Ltd | Wholesale & retail | 1986 |
| Counselling Space Scotland Ltd | Real estate | 2019 |
| Countax Services Limited | Professional & scientific | 2017 |
| Countess Property Group Ltd | Real estate | 2026 |
| Countesswells Plumbing & Heating Limited | Construction | 2022 |
| Country Inns Limited | Hospitality | 1969 |
| Couper Seafoods Limited | Agriculture & fishing | 1987 |
| Courage Investments Limited | Transport & logistics | 2016 |
| Coutts Mennie Consultancy Ltd | Administrative & support | 2013 |
| Coutts Telecommunication Systems Limited | Administrative & support | 2011 |
| Couttsgibb Limited | Professional & scientific | 2010 |
| Couture Stitchworks Ltd | Wholesale & retail | 2023 |
| Cove Bay (Holdings) Ltd | Hospitality | 1991 |
| Cove Bay Hotel Ltd | Hospitality | 1979 |
| Cove Honey Bees Limited | Agriculture & fishing | 2022 |
| Cove Property Management Care Limited | Administrative & support | 2022 |
| Cove Rangers Football Club Limited | Arts & recreation | 1986 |
| Cove Retailers Ltd | Wholesale & retail | 2021 |
| Cove Smile Solutions Ltd | Health & social care | 2026 |
| Covebay Smile Centre Ltd | Health & social care | 2023 |
| Cowen Property Partners Ltd | Real estate | 2015 |
| Cowie Carpets Aberdeen Ltd | Construction | 2014 |
| Cowie Management Limited | Other services | 2023 |
| Cowie Subsea Limited | Professional & scientific | 2004 |
| Cozy Touch Living Ltd | Administrative & support | 2025 |
| CP Engineering (Aberdeen) Ltd | Construction | 2024 |
| CP Engineering Services Limited | Mining & quarrying | 2013 |
| CP Inspection Limited | Other services | 2010 |
| CPH Group Limited | Professional & scientific | 2018 |
| CPS (Scotland) Ltd | Other services | 2017 |
| CPS Grampian Ltd | Professional & scientific | 2014 |
| CQ (UK) Limited | Transport & logistics | 2009 |
| CR Online Auctions Limited | Wholesale & retail | 2025 |
| CR Property Rentals Ltd | Real estate | 2024 |
| CR Sales Limited | Wholesale & retail | 2021 |
| Cracherchlo Ltd | Transport & logistics | 2010 |
| Crackerjacks Childcare Ltd | Health & social care | 2024 |
| Crackin Limited | Wholesale & retail | 2012 |
| Cradle Education Consulting Limited | Education | 2024 |
| Crafted Clariti Ltd | Professional & scientific | 2025 |
| Crafted Technologies Limited | Professional & scientific | 2018 |
| Crafty Imports Ltd | Wholesale & retail | 2022 |
| Craib Piping Design Services Limited | Administrative & support | 2010 |
| Craibstone UK Ltd. | Other services | 2010 |
| Craig Anderson Mechanical Ltd | Wholesale & retail | 2023 |
| Craig Buchanan Joinery Ltd | Construction | 2013 |
| Craig Energy Services Limited | Professional & scientific | 2001 |
| Craig Group Limited | Financial services | 2017 |
| Craig International Limited | Administrative & support | 1997 |
| Craig International Supplies Limited | Professional & scientific | 2015 |
| Craig Renewables Ltd | Professional & scientific | 2025 |
| Craigden Ltd | Construction | 2016 |
| Craigellachie Fishings Limited | Agriculture & fishing | 1983 |
| Craigendarroch Investments Limited | Financial services | 2008 |
| Craigewen Engineering Services Ltd. | Professional & scientific | 1997 |
| Craighaugh Limited | Real estate | 2012 |
| Craigs Garden Services Limited | Other services | 2015 |
| Craigshannoch Limited | Professional & scientific | 1998 |