Mercari, Inc., together with its subsidiaries, engages in the planning, development, and operation of the Mercari marketplace application in Japan and the United States. It operates through Japan Business, US, and Other segments. The company is also involved in the planning, development, and operation of financial services, such as money transfer services, as well as crypto asset and blockchain services. In addition, it engages in the operation of a professional soccer club; and sports facilities, including soccer stadiums. Further, the company engages in the planning and operation of soccer matches, other sports competitions, and various events; and internet service development activities. Mercari, Inc. was incorporated in 2013 and is headquartered in Minato, Japan.