The sporting goods giant previously used a roster of agencies within specific local markets, while utilising Carat as its regional media agency, an arrangement that also includes Europe, Africa and the United States.
The move comes just months after Adidas tapped TBWA as its global creative agency to work with its existing Amsterdam-based agency, 180.
Darren Chan, Adidas head of advertising in Asia-Pacific, said that strengthening brand consistency was now a top priority.
"As Adidas continues to strive for new heights in brand development, we see the necessity to consolidate the advertising and media network in this region."
Carat Asia-Pacific chief executive officer, David Liu, said the agency was given the new assignments after "making presentations in local markets to demonstrate our capability".
