Concord Securities Co., Ltd., through its subsidiaries, provides brokerage and wealth management services in Taiwan. It operates through proprietary, brokerage, underwriting, and Other segments. The proprietary segment engages in trading securities and futures transactions for hedging. The brokerage segment offers securities brokerage and margin purchase and short sale services. The underwriting segment is involved in underwriting or firm commitment underwritings. It also offers proprietary trading, fixed income, and stock affair services, as well as financial derivatives. In addition, the company provides consultancy services; foreign and domestic futures proprietary; insurance agency services; and asset management, and investment, securities, and business management advisory services. Further, it is involved in financing customers' acquisition and short-sales. The company was incorporated in 1990 and is headquartered in Taipei, Taiwan.