 It currently has offices in New York, Chicago, San Francisco, London, Paris, Amsterdam, Mexico City, Bangalore, Shanghai, Hong Kong, and Düsseldorf.mcgarrybowen's clients include Maserati, Staples, Intel, American Express, Marriott International, Chevron, Crayola, Kraft Foods, Disney, JCPenney, Brand USA, and Clorox Specialty Brands.Until 2008 it was ranked as the largest independent advertising agency in New York and 11th in the U.S., as ranked by "AdAge" 2005.