BlockFin Holdings Limited, through its subsidiaries, provides asset management, investment and fund advisory services, 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. The company was formerly known as Bison Finance Group Limited and changed its name to BlockFin Holdings Limited in November 2025. BlockFin Holdings Limited was incorporated in 2000 and is based in North Point, Hong Kong.