Sources: American Marketing Association [pdf] (US list); RFL Communications (global list, via Research Live [pdf])
Notes: Nielsen and Kantar are the top market research organizations both in the US and globally, with Nielsen far and away the leader, according to separate rankings recently released by the AMA and RFL Communications. IMS Health and Ipsos S.A. also rank within the top 5 on both lists, with IBM’s Information and Analytics Group coming in at #3 on RFL’s global list, based on an IDC estimate. The AMA’s top 10 is largely consistent from last year: notable results include J.D. Power and Associates moving up a spot to #10 and comScore’s fastest revenue growth, of 18.8%. (more…)