MediaVest will be the strategic lead and counsel for Yahoo's media planning and buying across the region. The agency will work with Yahoo in eight key markets — Taiwan, Hong Kong, India, Korea, Indonesia, Philippines, Vietnam and Singapore.
It is thought that the account is worth in the region of US$30 million, with a high proportion of the spend focused on Taiwan and India.
According to a source, the business was awarded without a formal pitch.
In February, Yahoo split its creative business in Southeast Asia between Leo Burnett, Ogilvy and Y&R.