In the middle of the 1990s, Christian Langlois focused an advertising career as a Commercial Film Director for majors brands in fashion, Telecom, teen culture, extreme Sports... such a clients as Air Canada, Bombardier, MasterCard, Nestlé, Côte d'Or, Danone, At&t, Verizon, T-Mobile, Bell, Yellow Pages, Vidéotron, Telus, Toyota, GM, Budweiser, Black Label, Molson, General Mils, Zip, Bayer, Health Canada, RBK, CCM, Cirque du Soleil, Téléfilm Canada, ABC, CBS, FOX, CBC, SRC, TVA, Astral Média, TV5, MTV, Musiqueplus and enRoute. He has collaborated Worldwide with many production houses companies Propaganda Films (in Los Angeles), Cinelande, Jet Film, Objectif, La Fabrique d'images (Montreal), Radke Films, Partners films, The Garden (in Toronto), Velocity (in Cap Town) Milk & Honey (Praha),AOI (In Japan), Satellite My Love (in Paris) and recently with Les Enfants (in Montréal) and Industry Films (in Toronto).