Tiong Seng Holdings Ltd operates as a construction and property development firm. It undertakes a wide range of projects of different variables such as residential, commercial, institutional, civil engineering, foundation and infrastructural projects. The firm has three segments, Construction: which derives the majority of revenue and relates to acting as main contractors in the construction and civil engineering projects and provision of construction; Engineering solutions: which relates to manufacturing and supplying precast and prefabricated components and provision of steel and mass-engineered timber. Property development: relates to the development and sales of properties. Most of its revenue is earned through construction services across Singapore. also has a presence in Malaysia.