Group TAC (株式会社グループ・タック Kabushiki Kaisha Gurūpu · Takku) is a Japanese animation and computer graphics studio located in Shibuya, Tokyo, and founded in 1968. They have worked on movies, videos, TV shows, and commercials, and have contributed to all stages of the process, including planning, production, sound effects, and so on. The company was headed by Atsumi Tashiro until Tashiro's death in July. In September 2010, Group TAC filed for bankruptcy.