| Colosseum Studio Limited | Arts & recreation | 2022 |
| Colourbox Discount World Limited | Wholesale & retail | 2010 |
| Colourpurple Ltd | Real estate | 2019 |
| Colsea Systems Ltd | Administrative & support | 2012 |
| Coltfield Limited | Real estate | 2020 |
| Colthill Limited | Professional & scientific | 2017 |
| Coltrak Ltd | Information & communication | 2017 |
| Colville Place Developments Limited | Real estate | 2020 |
| Coma Engineering Services Limited | Administrative & support | 2012 |
| Combat Sports Supplies Ltd | Extraterritorial | 2026 |
| Combined Pumps Corp Ltd | Manufacturing | 1998 |
| Combined Pumps Corporation International Limited | Manufacturing | 2026 |
| Comfiden Ltd | Hospitality | 2024 |
| Comfmed UK Ltd | Wholesale & retail | 2025 |
| Comfort Nest Care Limited | Administrative & support | 2025 |
| Commercial Moves Group Limited | Transport & logistics | 2016 |
| Common Profyt Games Ltd | Information & communication | 2020 |
| Company Connecting Limited | Information & communication | 2014 |
| Compass Print Group Limited | Manufacturing | 2015 |
| Compass Print Holdings Limited | Manufacturing | 2007 |
| Compass Print Limited | Professional & scientific | 1997 |
| Compassionate Counselling Limited | Administrative & support | 2022 |
| Comper & Company Limited | Real estate | 2017 |
| Competas Energy Limited | Administrative & support | 2024 |
| Competentia UK Limited | Administrative & support | 2010 |
| Complementary Health Orthopaedic and Alternative Therapy Limited | Health & social care | 2017 |
| Complete Home Repairs Ltd | Households | 2023 |
| Complete Performance Development Limited | Administrative & support | 2010 |
| Completion Products Holdings Limited | Financial services | 2024 |
| Completions Information Management Consultancy Limited | Professional & scientific | 2025 |
| Comportment in Safety Ltd | Extraterritorial | 2019 |
| Computech Designs Limited | Information & communication | 2002 |
| Computer CAB (Aberdeen) Ltd. | Transport & logistics | 1983 |
| Comros Limited | Administrative & support | 2016 |
| Concept Generators Limited | Professional & scientific | 2018 |
| Concept IPR Limited | Mining & quarrying | 2001 |
| Concept Promotional Merchandise Ltd. | Professional & scientific | 2000 |
| Concha Dusk Ltd | Real estate | 2025 |
| Concorde Britannia Aberdeen Limited | Real estate | 2026 |
| Concorde OIL & GAS Ltd | Mining & quarrying | 2018 |
| Concrete Groundwork’S Group Limited | Construction | 2020 |
| Condor Multi-Services Ltd | Professional & scientific | 2016 |
| Confetti & Cartwheels Ltd | Hospitality | 2019 |
| Connect Marketplace Ltd | Wholesale & retail | 2022 |
| Connect NDT Limited | Professional & scientific | 2000 |
| Connect Scotland Limited | Administrative & support | 2025 |
| Connelly Subsea Services Limited | Professional & scientific | 2014 |
| Connon Brothers Limited | Wholesale & retail | 1991 |
| Connor the Physio Ltd | Health & social care | 2024 |
| Conquer Dawn Management Ltd | Professional & scientific | 2021 |
| Consilia Fortem Consulting Limited | Administrative & support | 2013 |
| Consilium Micropack Limited | Professional & scientific | 2016 |
| Constitution Street Ltd | Real estate | 2024 |
| Constone Facility Management Ltd | Water & waste | 2025 |
| Construct Caledonia Limited | Construction | 2017 |
| Construction Consultant Services Ltd | Other services | 2006 |
| Consultants on the Quay Ltd | Professional & scientific | 2025 |
| Contentli Limited | Information & communication | 2022 |
| Contextus Properties Ltd | Real estate | 2022 |
| Continence UK Limited | Information & communication | 2006 |
| Continental Alloys & Services Limited | Administrative & support | 1999 |
| Continued Independence UK Ltd | Health & social care | 2016 |
| Contlaw Services Limited | Professional & scientific | 2011 |
| Contour Cafe Limited | Hospitality | 2014 |
| Contract Consultancy Services (CCS) Limited | Professional & scientific | 2009 |
| Contract Solutions (Grampian) Ltd | Administrative & support | 2009 |
| Control Cutter Limited | Mining & quarrying | 2019 |
| Converged Communication Solutions Limited | Information & communication | 2005 |
| Converged Rural Broadband Limited | Information & communication | 2023 |
| Converged Solutions Group Limited | Professional & scientific | 2023 |
| Conxera Limited | Information & communication | 2026 |
| Cookie Cult Limited | Hospitality | 2023 |
| Cooks Construction Services Ltd | Construction | 2020 |
| Cooper & Macgregor Ltd | Professional & scientific | 2017 |
| Cooper & Mcnulty Inns Limited | Hospitality | 2025 |
| Cooper Cottages Limited | Administrative & support | 2018 |
| Cooper Engineering Consultancy Limited | Professional & scientific | 2017 |
| Cooper Mitchell Property Limited | Real estate | 2024 |
| Coops Bars Limited | Hospitality | 2022 |
| Copal Studio Ltd | Construction | 2022 |
| Copland Motors Limited | Wholesale & retail | 1986 |
| Coppa Coffee Limited | Hospitality | 2015 |
| Copper Pots Montessori Ltd | Health & social care | 2022 |
| Copperwell Ltd | Professional & scientific | 2019 |
| Coral Bark Ltd | Real estate | 2025 |
| Corbie Property Ltd | Real estate | 2022 |
| Cordatus Partners Limited | Real estate | 2006 |
| Cordatus Real Estate Limited | Real estate | 2012 |
| Cordiner US Investments Limited | Financial services | 2017 |
| Cordiners Promotions Limited | Administrative & support | 2000 |
| Cordiners Securities Limited | Agriculture & fishing | 2000 |
| Cordon Electrical Ltd | Construction | 2025 |
| Core Business Consulting Limited | Professional & scientific | 2025 |
| Core Citi Edinburgh Limited | Real estate | 2021 |
| Core Citi Lets Aberdeen Limited | Real estate | 2018 |
| Core Citi Limited | Construction | 2009 |
| Core Citi Offices Ltd | Hospitality | 2013 |
| Core Citi Solutions Ltd | Construction | 2013 |
| Core Energies Limited | Professional & scientific | 2006 |
| Core Pilates Club Ltd | Health & social care | 2024 |