The Kosei Securities Co., Ltd. provides investment and financial services in Japan. The company engages in the buying and selling securities, securities index futures, securities options, and foreign market securities futures; and underwriting and offering of securities or solicitation of sales to specified investors. It also provides intermediation, brokerage, and agency services for the buying and selling of securities, as well as for entrustment of the same. The Kosei Securities Co., Ltd. was incorporated in 1961 and is headquartered in Osaka, Japan.