Yongnam Holding Ltd. through its subsidiaries, engages in the provision of engineering and construction services. It operates through the following geographical segments: Singapore, Hong Kong, and Rest of Asia Pacific. The Singapore geographical segment operate in all four of the group's business segments. The Hong Kong geographical segment specialist civil engineering business segment. The Res of Asia Pacific segment manages specialist civil engineering and design and build business segments. The company was founded by Tin Nam Tan on October 19, 1994 and is headquartered in Singapore.