Sotsu Co., Ltd. is a Japanese advertising agency and, since March 2020, a subsidiary of Bandai Namco Holdings, having substantial relations with it before the acquisition, especially with its now-corporate sibling, Bandai Namco Filmworks.

Bandai Namco Filmworks Inc. , previously and still famously known as Sunrise Inc., is a Japanese company owned by Bandai Namco Holdings with its business focused on production, planning and management for anime.