BlockFin Holdings Limited, through its subsidiaries, provides asset management, investment and fund advisory services, and other consultancy services. It also offers securities brokerage, including securities margin financing, underwriting, placing, and dealing services, as well as 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. Incorporated in 2000, it is based in North Point, Hong Kong.