BOCOM International Holdings Company Limited, an investment holding company, provides securities brokerage, margin financing, corporate finance and underwriting, investment and loans, asset management, and advisory businesses in Hong Kong and Mainland China. It operates through Brokerage, Corporate Finance and Underwriting, Asset Management and Advisory, Margin Financing, Investment and Loans, and Others segments. The Brokerage segment trades in stocks, bonds, futures, options, and other marketable securities. The Corporate Finance and Underwriting segment offers corporate finance services, including equity and debt underwriting, sponsor, and financial advisory services to institutional clients.