Okasan Securities Group Inc., together with its subsidiaries, engages in securities business in Japan. The company offers asset management; online trading with consulting services; corporate services, support IPOs, propose M and A and business matching, IR activities, and implement the defined contribution plan; and securities trading services. It also handles the administration services; services on securities systems; business process outsourcing in securities administration; and property management and leasing. The company was formerly known as Okasan Holdings, Inc. and changed its name to Okasan Securities Group Inc. in October 2008. Okasan Securities Group Inc. was founded in 1923 and is headquartered in Tokyo, Japan.