Citizens of McCann Worldgroup

McCann Worldgroup is one of the world's largest marketing communications networks, boasting a roster of five best-in-class companies collaborating toward the transformation of our clients' brands and growth of their businesses.

Today McCann Worldgroup includes: McCann Erickson, the world's largest advertising agency network; MRM, which focuses on digital communications and customer relationship management; Momentum, specialists in experiential marketing and promotion; McCann Healthcare, which handles medical/pharmaceutical communications; and WGEXP, a global production services provider.