Smart City Development Holdings Limited is an investment holding company that operates as a building contractor in Hong Kong. It reports through four segments: Construction Business, Securities Investment, Property Investment Business, and Money Lending Business. The Construction Business segment covers building construction and related works, electrical and mechanical engineering works, and alteration, addition, renovation, refurbishment, and fitting-out works. The company also provides decoration engineering services and engages in AI projects. It was formerly known as Deson Construction International Holdings Limited and changed its name to Smart City Development Holdings Limited in September 2020. Founded in 1988, it is headquartered in Kwun Tong, Hong Kong.