Most Effective Agency Holding GroupsTop 5: WPP, Omnicom, Publicis Groupe, Interpublic (IPG), DentsuWPP jumped back into the top spot as Most Effective Agency Holding Group after getting unseated by Omnicom last year for the first time since 2012. EuropeVodafone (marketer), McDonald’s (brand), WPP (holding group), McCann Worldgroup (agency network), McCann Tel Aviv (agency office), Jam Session Agency (independent agency). Latin AmericaAB InBev (marketer), Burger King (brand), WPP (holding group), BBDO Worldwide (agency network), AlmapBBDO (agency office), Slap Global (independent agency). Middle East & AfricaUAE Government Media Office (marketer & brand), Publicis Groupe (holding group), Leo Burnett Worldwide (agency network), Leo Burnett Middle East (agency office), Dejavu Dubai (independent agency). North AmericaMolson Coors (marketer), McDonald’s (brand), IPG (holding group), DDB Worldwide (agency network), Alma DDB (agency office), Rethink (independent agency).