Deep Source Holdings Limited, an investment holding company, engages in the processing, distribution, and trading of bulk commodities and related products in the People's Republic of China, Hong Kong, and Singapore. The company also provides securities and derivatives financial services, margin financing services, fund management services, futures contract brokerage services, clearing services, financial derivatives consulting services, commodity trading services, inter-dealer broking in over-the-counter markets, derivative trading services, and structured trade finance operation services. In addition, it engages in money lending business; the brokerage of physical commodities, trade facilitation services in physical gold and silver; distribution and trading of petrochemicals products; loan financing activities; and freight services agency business. The company was formerly known as Theme International Holdings Limited and changed its name to Deep Source Holdings Limited in July 2025. The company was incorporated in 1993 and is headquartered in Sheung Wan, Hong Kong. Deep Source Holdings Limited is a subsidiary of Wide Bridge Limited.