As of March 2023, the total assets of Sumitomo Mitsui Banking Corporation amounted to around 235.3 trillion Japanese yen. Sumitomo Mitsui Banking Corporation is one of the largest banks in Japan. Over 800 group companies. It is the second-largest bank in Japan in terms of total assets and market capitalization and it owns one of the world's largest aircraft leasing companies - SMBC Aviation Capital.