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