三井住友銀行
The core subsidiary of SMBC group is the banking unit, Sumitomo Mitsui Banking Corporation (SMBC). Sumitomo Mitsui Financial Group acts as the holding company for the group. The other major subsidiaries include SMBC Nikko Securities, SMBC Trust Bank, Sumitomo Mitsui DS Asset Management, Sumitomo Mitsui Finance and Leasing and Japan Research Institute (JRI).