The Guardian |
Omnicom, Publicis merge into biggest ad firm
USA TODAY Deal boosts pricing power offset by regulatory hurdles and possible client conflicts at world's biggest advertisers. ad firms. Publicis Group CEO Maurice Levy, left, embraces Omnicom Group CEO John Wren during a press conference on Sunday in Paris. Merger of Publicis and Omnicon makes biggest ad firm Leo Burnett parent in huge ad merger deal Publicis and Omnicon tie $ 35bn knot to oust WPP |