Stmn, Inc. engages in the provision of software as a service in the engagement field in Japan. The company offers TUNAG, an engagement management platform; FANTS, a community management platform; Leak Checker, a cloud security service, that supports IT asset management, information leakage prevention, labor management, etc. by managing and monitoring company's computers; and STAGE, a human resources recruitment solution. It is also involved in the community engagement business. The company was incorporated in 2016 and is headquartered in Nagoya, Japan.