, often abbreviated simply as
ADK or sometimes called , is a
Japanese advertising agency. Headquartered at
Toranomon Hills,
Minato, Tokyo since June 2014 (formerly at
Tsukiji,
Chuo, Tokyo), the firm is Japan's third largest advertising agency, after
Dentsu and
Hakuhodo. The agency has 38 offices in over 15 countries. One of the offices,
Asatsu-DK Europe, was established in 1993 in
Amsterdam,
Netherlands. The
WPP Group holds a 20% share in Asatsu-DK.