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United Microelectronics Corporation (UMC) is a technology company in the chip manufacturing contractors industry, based in Hsinchu City, Taiwan, with about 20,000 full-time employees.
It reported revenue of 237.55 billion TWD for fiscal year 2025, up 2.3% from fiscal year 2024, and net income of 41.72 billion TWD. In Q2 2026 (the quarter ended June 30, 2026) revenue was 68.73 billion TWD, up 17.0% from a year before. Taiwan was its largest region in fiscal year 2025, with 39% of revenue. Its market capitalization was $57.58 billion as of October 9, 2026.
Figures from company filings and market data; latest fiscal year ended December 31, 2025; market data as of October 9, 2026.
United Microelectronics Corporation operates as a semiconductor wafer foundry in Taiwan, China, Hong Kong, Japan, Korea, the United States, Europe, and internationally. It manufactures and sells integrated circuits.
United Microelectronics reported 237.55 billion TWD in revenue for fiscal year 2025, up 2.3% from 232.30 billion TWD in fiscal year 2024. In Q2 2026 revenue was 68.73 billion TWD.
Taiwan: 39% of revenue by region in fiscal year 2025, followed by United States of America (22%).
$57.58 billion as of October 9, 2026.
Listed companies of a similar size in the same industry (chip manufacturing contractors) include Taiwan Semiconductor Manufacturing Company Limited (TSM), GlobalFoundries Inc. (GFS), Tower Semiconductor Ltd. (TSEM).