Mitsubishi Estate Co. is a Japanese real estate and development company founded in 1937. It is part of the Mitsubishi conglomerate and specializes in the construction and management of commercial, residential, and mixed-use properties. Mitsubishi Estate is known for its influence on the Japanese real estate market, and its portfolio includes some of the most famous and largest properties in Tokyo, including office buildings and shopping centers. In addition to real estate, the company is also involved in urban development and environmental projects.