Sumitomo Mitsui Trust Group is a major financial services company based in Japan. It specializes in various services, including banking, asset management, and real estate. The group was formed through the merger of Sumitomo Trust and Banking and Mitsui Trust and Banking in 2011, creating a strong entity in the financial sector. The group operates numerous subsidiaries and has a significant presence in both domestic and international markets. It focuses on providing comprehensive financial solutions to individuals, corporations, and institutional clients, emphasizing trust and long-term relationships in its business practices.