Southwest Securities International Securities Ltd. operates as an investment holding company. The firm engages in the provision of various cross-boarder financial services. It operates through the following segments: Brokerage and Margin Financing, Corporate Finance, Asset Management and Proprietary Trading. The Brokerage and Margin Financing segment engages in the provision of brokerage services in securities, futures and options and insurance products, provision of margin financing services. The Corporate Finance segment engages in the provision of underwriting and placements and corporate finance advisory services. The Asset Management segment engages in the provision of asset management services. The Proprietary Trading segment involves in trading in securities, futures and options and fund investments. The company was founded in 1990 and is headquartered in Hong Kong.