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| Brand | Department | Company | Product |
| Cameroon flag | Flag | Image Corporate | |
| Canada flag | Flag | Image Corporate | |
| Canal + | Marketing | Canal + | |
| Cat | Animals | Studio Turquoise | |
| Catamaran | Leisure | Studio Turquoise | |
| Charlotte | Leisure | Studio Turquoise | |
| Chile flag | Flag | Image Corporate | |
| Chimay | Belgian Beer | Bieres de Chimay - Abbaye de Scourmont | |
| Chimay bleue | Belgian Beer | Bieres de Chimay - Abbaye de Scourmont | |
| Chimay rouge | Belgian Beer | Bieres de Chimay - Abbaye de Scourmont | |
| Chimay triple | Belgian Beer | Bieres de Chimay - Abbaye de Scourmont | |
| China flag | Flag | Image Corporate | |
| Coiffure Nuance | Marketing | Coiffure Nuance | |
| Compaq | Marketing | Compaq Computer | |
| Congo Kinshasa flag | Flag | Image Corporate | |
| Conquest Frontier Wars | Marketing | Ubi Soft | |
| Cos Greece | Travel | Studio Turquoise | |
| Cote d’ivoire flag | Flag | Image Corporate | |
| Croix-Rouge de Belgique | Communication | Croix-Rouge de Belgique | |
| Cuba flag | Flag | Image Corporate | |
| Cuvée des Trolls | Belgian Beer | Brasserie Dubuisson Frères | |
| Cuvee Des Trolls | Belgian Beer | Brasserie Dubuisson Frères | |
| Cyprus flag | Flag | Image Corporate | |
| Czechs Republic flag | Flag | Image Corporate |