McCann Erickson San Francisco is the San Francisco hub for McCann Worldgroup San Francisco, a conglomeration of agencies specializing in advertising, online advertising, relationship marekting, brand development and design. Our clients include Microsoft, for whom we operate as their global hub, AMD, Del Monte, Hitachi, General Motors, and The Oakland A’s to name a few. We are a fully integrated, media-and-discipline-agnostic group who believes that the creative mind is the most powerful force of all.