BBDO is the world's most awarded advertising agency. With 15,000 employees in 289 offices across 81 countries, it is the second largest global advertising agency network, with its headquarters in New York. The agency began in 1891 with George Batten's Batten Company, and later in 1928, through a merger of BDO (Barton, Durstine & Osborn) and Batten Co., the agency became BBDO.