Bison Finance Group Limited, an investment holding company, provides media sales, design services, and production of advertisements for transit vehicle exteriors and interiors, shelters, and outdoor signage advertising business in Hong Kong. The company offers bus-body, bus-interior, bus-shelter, and billboards advertising services, as well as integrated marketing services for advertising platforms. It also provides asset management, investment and fund advisory services, and other consultancy services; and securities brokerage and securities margin financing, underwriting, placing, and dealing services. In addition, the company offers advisory services on corporate finance; f fund management; software development; and provides management services.