| Chowdhury Developments Ltd | Construction | 2023 |
| Chris Dykes International Ltd. | Mining & quarrying | 2002 |
| Chris Fawkes Draughting Services Ltd | Professional & scientific | 2025 |
| Christ the Beauty of Holiness International Ministry | Other services | 2011 |
| Christides Engineering Services Limited | Extraterritorial | 2024 |
| Christie & Gill Limited | Real estate | 2019 |
| Christies (Fochabers) Limited | Agriculture & fishing | 1956 |
| Christies Croft Ltd | Hospitality | 2023 |
| Chubby Bags (UK) Limited | Manufacturing | 2001 |
| Chuck IT OOT Ltd | Water & waste | 2023 |
| Churchill Homes (Aberdeen) Limited | Construction | 1989 |
| Churchill Homes (Culter House) Limited | Real estate | 2014 |
| Churchill Homes (Loirston) Limited | Construction | 2016 |
| Churpi Ltd | Manufacturing | 2011 |
| Cidec Hire Limited | Administrative & support | 2025 |
| Cidec Property Limited | Real estate | 2025 |
| Ciel Capital (Scotland) Limited | Professional & scientific | 2016 |
| Ciel Lower Marsh (Scotland) LP | | 2016 |
| Cime Ltd | Professional & scientific | 2022 |
| Cimonjorr Ltd | Real estate | 2023 |
| Cintram Ltd | Information & communication | 2019 |
| Ciphergenic Ltd | Information & communication | 2025 |
| Circle Offshore Limited | Extraterritorial | 1999 |
| Cirrus Workspaces Limited | Administrative & support | 2024 |
| Cirrushq Ltd | Information & communication | 2011 |
| Cita Engineering Ltd | Information & communication | 2019 |
| Citi Aesthetics Limited | Health & social care | 2020 |
| Citi Hotel Aberdeen Limited | Hospitality | 2018 |
| Cito Cimo Commercial Ltd | Real estate | 2022 |
| Cito Cimo Letting Ltd | Real estate | 2020 |
| Cito Cimo Properties Ltd | Real estate | 2017 |
| City & Shire Heating Specialists Ltd | Construction | 2015 |
| City & Shire Property Factors Ltd | Financial services | 2021 |
| City 06 LLP | | 2007 |
| City Angel Limited | Construction | 1997 |
| City Cafe House Ltd | Hospitality | 2022 |
| City Cars (Scotland) Limited | Wholesale & retail | 2007 |
| City Gate Aberdeen Limited | Financial services | 2002 |
| City Heat (Grampian) Ltd | Construction | 2020 |
| City Home Helpers Limited | Other services | 2015 |
| City Hunter Limited | Real estate | 2003 |
| City Living Solutions Ltd. | Real estate | 2016 |
| City Plus Resources Limited | Professional & scientific | 2025 |
| City Restoration Project Ltd | Real estate | 2019 |
| City Smile Solutions Ltd | Health & social care | 2022 |
| City Wide Taxis Limited | Transport & logistics | 1989 |
| Cityandshireproperties Ltd | Real estate | 2025 |
| Citystage Leisure Limited | Hospitality | 2018 |
| Citystage Properties Limited | Real estate | 2013 |
| Cityvoe Limited | Wholesale & retail | 2004 |
| CJ Auto (Abdn) Ltd | Wholesale & retail | 2021 |
| CJ Food & Leisure Group Limited | Hospitality | 2023 |
| CJ Mackay Business Solutions Ltd | Professional & scientific | 2025 |
| CJ Sky Ltd | Mining & quarrying | 2021 |
| CJA Piping Design Ltd | Professional & scientific | 2017 |
| CJG Subsea Ltd | Professional & scientific | 2014 |
| CJK Joinery Limited | Construction | 2010 |
| CJN Drilling Ltd | Other services | 2010 |
| CJO Engineering Limited | Professional & scientific | 2023 |
| CJS Energy Limited | Real estate | 2025 |
| CJW Investments Ltd | Hospitality | 2019 |
| CK Beauty Therapy Limited | Extraterritorial | 2020 |
| CK Cleaning Solutions Limited | Administrative & support | 2025 |
| Ck-Ks Couriers Limited | Transport & logistics | 2009 |
| Ckat Pro Ltd | Real estate | 2025 |
| CL Drilling Services Limited | Mining & quarrying | 2023 |
| CL Offshore Project Management Limited | Mining & quarrying | 2008 |
| Clachan Geoscience Ltd | Mining & quarrying | 2019 |
| Clachmor Property Limited | Real estate | 2025 |
| Claidheamh-Mor Company Ltd | Professional & scientific | 2018 |
| Clairvoyant AI Ltd | Information & communication | 2021 |
| Clan Bennachie Limited | Real estate | 2023 |
| Clan Cancer Support | Health & social care | 1992 |
| Clan Millar Construction Ltd | Construction | 2018 |
| Clan NOW Limited | Administrative & support | 2016 |
| Clan Partners Limited | Administrative & support | 2020 |
| Clara Investments Ltd | Real estate | 2021 |
| Claremont Anaesthesia Limited | Health & social care | 2024 |
| Clarity Consulting Services (Aberdeen) Limited | Administrative & support | 2014 |
| Clark Aitken Limited | Administrative & support | 2015 |
| Clark and Rose (Removals) Limited | Transport & logistics | 2015 |
| Clark Commercials (Aberdeen) Limited | Wholesale & retail | 1978 |
| Clark Dental Clinic Holding Company Limited | Health & social care | 2025 |
| Clark Dental Clinic Ltd. | Health & social care | 2007 |
| Clark ERP Training Ltd | Information & communication | 2024 |
| Clark Financial Planning and Accounting Services Ltd | Professional & scientific | 2026 |
| Clark Group Services Ltd | Professional & scientific | 2026 |
| Clark More Properties Ltd | Real estate | 2019 |
| Clark Properties Limited | Construction | 2001 |
| Clark Roofing Limited | Construction | 2016 |
| Clarkson Heating Limited | Construction | 2015 |
| Claryn Motor Company Ltd | Wholesale & retail | 2022 |
| Clas Properties Limited | Real estate | 2013 |
| Clashach Consulting Ltd | Professional & scientific | 2019 |
| Claylands Services Ltd | Professional & scientific | 2024 |
| CLD Investment Group Ltd | Financial services | 2024 |
| CLD Shire Group Limited | Wholesale & retail | 2024 |
| Clean and Fresh Deeside Ltd | Manufacturing | 2023 |
| Clean Growth Investment Carried Interest GP II Limited | Financial services | 2024 |
| Clean Growth Investment Carried Interest II LP | | 2024 |