Matsui Securities Co., Ltd. provides online securities brokerage services to retail investors in Japan. The company offers brokerage services of stocks, futures, and options; services for underwriting, offering, and secondary distribution and solicitation for selling; and foreign exchange margin trading services. It also engages in the investment trusts, wholesale business, asset management, and crypto asset-related businesses. Matsui Securities Co., Ltd. was founded in 1918 and is headquartered in Tokyo, Japan.