UNITED MICROELECTRONICS CORP

United Microelectronics Corporation is a semiconductor wafer foundry headquartered in Hsinchu City, Taiwan. The company manufactures integrated circuits and provides fabrication services to customers across multiple geographies, including Taiwan, China, Hong Kong, Japan, South Korea, the United States, and Europe. Founded in 1980, UMC operates as a contract manufacturer for semiconductor design companies that lack in-house fabrication capacity.

The company serves four primary end markets: mobile and wireless communications, Internet of Things and wearables, computing and data processing, and automotive applications. Beyond wafer manufacturing, UMC offers backend services and design support to enable customers to bring products to market. The company also provides venture capital investments, research and development services, and consulting in energy and solar engineering sectors, along with insurance services.

UMC employs approximately 20,000 full-time staff globally and maintains a market capitalization of $26.3 billion. The company generates revenue primarily from semiconductor foundry services across its fabrication facilities, supplemented by its diversified service and support offerings. As a pure-play foundry operator, UMC competes in the merchant semiconductor manufacturing market alongside peers providing similar contract fabrication capabilities to design companies worldwide.