D.A.Consortium Inc. (DAC) is a leader in the online advertising industry. Established in 1996 during the early days of online advertising, DAC has played a key role in the market’s formation and development. As a media representative, DAC provides comprehensive support to publishers, ad agencies and other partner companies by purchasing and selling ad space, planning and reporting. It also manages ads through one of Japan’s largest trading desks, develops high-tech solutions and offers a wide range of advertising-related digital marketing services.

Media Service


DAC’s Solution Service offers a diverse range of services to help media companies increase their advertising revenues and media value and to support ad agencies and advertisers meet their KPI.

In addition, DAC offers solutions and services created in collaboration with data holders, MA tool providers and DMP companies both in Japan and overseas.


The DAC Group is expanding its digital advertising business globally with a focus on China, Southeast Asia and the U.S.


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