Una filial de Sumitomo Mitsui Financial Group
Las empresas del grupo financiero Sumitomo Mitsui incluyen:
Sumitomo Mitsui Banking Corporation, Sumitomo Mitsui Credit Card Co., Ltd., Sumitomo Mitsui Banking Credit Co., Ltd., Japan Research Institute, Daiwa Sumitomo Investment Consulting Co. ., Ltd., Daiwa Securities SMBC Co., Ltd. 20,71, Nikko Securities, Bank of East Asia 4,05, etc.