 Following both agencies' acquisition by Dentsu in 2008, mcgarrybowen became a sibling agency to 360i.mcgarrybowen was named as "AdAge" Agency of the Year in 2009, and 2011, as well as the No.2 agency on "AdAge" Agency A List for 2010.

mcgarrybowen opened their first international office in London in April 2012, following a merger with sister agency Dentsu London, and almost immediately won the £25 million European launch campaign for Honda's fourth-generation CR-V.