Guotai Haitong Securities Co., Ltd. provides wealth management, investment banking, institutional and trading, and investment management services in Mainland China, Hong Kong, and internationally. It offers securities and futures brokerage, financial products, investment advisory, stock pledging, margin financing and securities lending, and agreed securities repurchase and other services; and sponsorship, equity and debt underwriting, structured debt financing, M&A financial advisory services, and diversified corporate solutions to corporate and government clients. The company also provides research and institutional brokerage services, such as prime brokers, seat leasing, custody and outsourcing, and QFII and other services to institutional clients; trading and investment services, including investment transactions in stocks, fixed income, foreign exchange, large commodities, and their derivative financial instruments, as well as integrated financial solutions for clients' investment, financing, and risk management; and equity investment services. In addition, it offers asset and fund management services to institutions and individuals; and brokerage, research, leasing, and corporate financing services; logistics and catering management; and information consulting services. Further, the company engages in the real estate and property management; warehousing; investment and corporate management consulting; venture capital investment and management; industrial investment; administrative management; foreign exchange dealing; and securities trading activities. The company was formerly known as Guotai Junan Securities Co., Ltd. and changed its name to Guotai Haitong Securities Co., Ltd. in April 2025. The company was founded in 1992 and is based in Shanghai, China.