UTAC (United Test and Assembly Center and 聯合科技控股有限公司) is a company that provides semiconductor assembly and test services primarily for fabless companies, integrated device manufacturers, and wafer foundries. It offers integrated circuit testing, packaging, design, package analysis, turnkey solutions, failure analysis, bumping, wafer probe, wafer processing, black-box encryption, and other services. The company caters to the in-communications, consumer, computing, automotive, and security devices as well as devices for industrial and medical applications.