Reliance Securities Co.,Ltd. engages in the underwriting and trading of securities in Taiwan. It operates through the Brokerage, Underwriting, Proprietary Trading, General Management, and Other segments. Its activities include securities brokerage, securities sales, and proprietary trading in centralized markets or other trading venues, as well as futures trading support, fund distribution, and investment advisory services. Founded in 1989 and headquartered in Taipei, Taiwan, the company is a subsidiary of Sheng Yuan Ze Investment Limited Company.