BBDO is a worldwide advertising agency network, with its headquarters in New York City. The agency originated in 1891 with the George Batten Company, and in 1928, through a merger with Barton, Durstine & Osborn, the agency became Batten, Barton, Durstine & Osborn. With more than 15,000 employees at 289 offices in 81 countries, it is the largest of three global networks of agencies in the portfolio of Omnicom Group.
BBDO was named "Network of the Year" in 2005 by trade publications Adweek, Advertising Age and Campaign. In 2006, then-mayor of New York Michael Bloomberg proclaimed January 10 as BBDO day in recognition of the strength of its advertising, as well as its contributions to New York City. BBDO was named "Network of the Year" by The Gunn Report for thirteen consecutive years beginning in 2006, and it has won "Network of the Year" seven times since 2007 at the Cannes Lions International Festival of Creativity. It was named "Global Network of the Year" by Adweek in 2011 and 2014.