In Forrester's 27-criteria evaluation of innovation agencies, we identified the 10 most significant firms — AKQA, Critical Mass, frog, Huge, Isobar, Mutual Mobile, R/GA, Razorfish, SapientNitro, and T3 — researched, analyzed, and scored them. This report details our findings about how well each agency fulfills our criteria and where each stands in relation to others in order to help CMOs select the right partner for their innovation needs.