Mitsubishi Estate Co., Ltd. is one of Japan’s leading comprehensive real estate developers, established in 1937. Headquartered in Otemachi, Chiyoda-ku, Tokyo, the company is known for its urban development and redevelopment projects centered around the Marunouchi, Otemachi, and Yurakucho districts—collectively known as the “Otemachi-Marunouchi-Yurakucho area.” As part of its residential division’s new business initiatives, Mitsubishi Estate offers the smart home service HOMETACT to housing companies nationwide.