Edelman is the world's largest public relations firm, with 66 offices and more than 4,500 employees worldwide, as well as affiliates in more than 30 cities. It was named Adweek's 2011 PR Agency of the Year; PRWeek's 2011 Large PR Agency of the Year; The Holmes Report's 2011 Global Agency of the Year and its 2011 North American Large Agency of the Year; and one of the Best Places to Work by Advertising Age in 2010 and 2012.