1. 360i
It's hard to ignore this Dentsu agency. The shop, which was on Ad Age's A-List for 2010, said that its annual revenue in 2011 grew 40% from $75 million the year prior, thanks to big wins as digital agency of record for JC Penney, Smirnoff vodka and Guinness beer. It has continued to expand its relationship with Kraft Foods and Coca-Cola , most recently taking on duties for the latter's new Freestyle soda fountain. 360i is also carving out a niche for a new area of expertise, "social-media listening," whereby it keeps track of the sentiment of online communities for marketers. The agency leads the way in industry insight, producing a dizzying array of position papers on of-the-moment topics from social commerce and location-based service to text messaging and digital coupons. Those capabilities may explain why retention of accounts is so high; 360i kept 95% of its clients last year.
Read the full article over at Ad Age!