Sumitomo Mitsui Trust Group, Inc. operates as a trust bank in Japan and internationally. The company engages in various businesses, such as wealth management, corporate, investor service, asset management, real estate, and other businesses. It also offers asset management and administration services; real estate brokerage, ESG consulting, and custody functions; and investment and treasury, and client services. The company was formerly known as Sumitomo Mitsui Trust Holdings, Inc. and changed its name to Sumitomo Mitsui Trust Group, Inc. in October 2024. Sumitomo Mitsui Trust Group, Inc. was founded in 1924 and is headquartered in Tokyo, Japan.