The Sumitomo Mitsui credit card limit is about 100,000 yen. Sumitomo Mitsui Banking Corporation (Sumitomo Mitsui Banking Corporation, abbreviated as SMBC) is headquartered in Tokyo. Trademark Yurakucho, Chiyoda-ku, was established on April 1, 2001. It was formed by the merger of Sumitomo Bank, a subsidiary of the Sumitomo Group, and Sakura Bank, a subsidiary of the Mitsui Group. Sumitomo Mitsui Banking Corporation, with total assets of 100 trillion yen, is a subsidiary of Japan's Mitsui The core enterprise of the Consortium and the Sumitomo Consortium is the second largest commercial bank in Japan and one of the top ten commercial banks in the world