George Cortina's styling has been featured in the photographs of Mikael Jansson, Karl Lagerfeld, Peter Lindbergh, Mert Alas & Marcus Piggott, Paolo Roversi, Mario Sorrenti, Solve Sundsbo, Mario Testino, and Inez van Lamsweerde and Vinoodh Matadin. His advertising clients include Agent Provocateur, Brandon Maxwell, Bvlgari, Calvin Klein, Carolina Herrera, Clarins, Dundas, Giorgio Armani, Frame, H&M, Hugo Boss, Joe Fresh, Pantene, Roberto Cavalli and Sephora.