mF International Limited, a holding company, engages in the development and provision of financial trading solutions in Hong Kong, mainland China, and Southeast Asia. It offers real-time mission critical forex, bullion/commodities trading platform solutions, financial value-added services, mobile applications, and financial information for brokers and institutional clients; and various services, including mF4 trading platform, trader pro, bridge and plugins, customer relationship management system, electronic communication network system, liquidity solutions, cross-platform Broker+ solution, social trading applications, and other value-added services. The company also provides liquidity providers related services and other financial value-added services; and engages in the business of algorithm trading research and development, and investment activities. It serves financial institutions, including brokers, investment banks, institutional clients, liquidity providers, and financial services providers.