United Microelectronics

Hsinchu, Taiwan Founded: 1980 • Age: 46 yrs Listed
Semiconductor foundry services and IC fabrication are provided.

About United Microelectronics

United Microelectronics is a publicly listed company based in Hsinchu (Taiwan) founded in 1980. Semiconductor foundry services and IC fabrication are provided. United Microelectronics has completed 2 acquisitions, including HeJian and Nippon Steel. Its website umc.com draws about 83 thousand monthly visits. Its focus areas include Semiconductors and Design Services.

Company details

United Microelectronics was founded in 1980 in Hsinchu, Taiwan. Operations in the semiconductor sector are conducted through foundry services and integrated circuit fabrication. A portfolio of process technologies is maintained for customer needs. Research and development efforts are prioritized to support microelectronics advancements. Global facilities enable service to diverse industries in electronics and related fields.

  • Headquarters Hsinchu, Taiwan
  • Stage Public
  • Sectors
    Technology
  • Website category Computers Electronics and Technology · Computer Hardware
  • Email
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  • Phone
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  • Website umc.com
  • Social LinkedIn
  • Legal Name United Microelectronics Corp.
Key Metrics
  • Annual Revenue
    $237.55 B
    2.26
    as on Dec 31, 2025
  • Net Profit
    $40.36 B
    -17.26
    as on Dec 31, 2025
  • EBITDA
    $101.09 B
    2.82
    as on Dec 31, 2025
  • Investments & Acquisitions
    HeJian

    & 1 more

IPO & Listings of United Microelectronics

United Microelectronics is a publicly listed company on the TWSE with ticker symbol 2303 in Taiwan, operating in the Electronic technology sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.

  • IPO date19 Sep 2000
  • Listed onNYSE: UMC
  • Listed entityUnited Microelectronics Corp.
  • Exchange sectorElectronic technology
  • ISINTW0002303005
  • Share price142.00 TWD (+0.35% on the day) · 2026-10-14
  • Market capitalisation1,778,668,265,625.00 TWD
  • Price to earnings21.7
  • EPS (diluted, trailing year)6.54 TWD
  • Dividend yield1.79%
  • Volume (last session)110,349,913

Financials of United Microelectronics

Exchange-reported annual figures
YearRevenueNet incomeEBITDA
2025237.55B TWD40.36B TWD101.09B TWD
2024232.30B TWD48.78B TWD98.32B TWD
2023222.53B TWD60.99B TWD94.17B TWD
2022278.71B TWD87.20B TWD142.86B TWD
2021213.01B TWD55.78B TWD93.27B TWD
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Detailed financial statements for United Microelectronics

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Investments & Acquisitions by United Microelectronics

United Microelectronics has strategically engaged in corporate development activities, having acquired 2 companies. Notable acquisitions include HeJian and Nippon Steel.

Acquisitions
Company NameDescriptionDomainLocationFoundedAcquiredAmount
Semiconductor and electronics components are manufactured by HeJian.
hjtc.com.cnSuzhou, China2003Jun 2009β€’β€’β€’β€’
Steel bars, plates, and pipes are manufactured and supplied.
nipponsteel.comChiyoda, Japan1970Sep 1998β€’β€’β€’β€’
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Timeline of United Microelectronics

4 dated milestones of United Microelectronics across 29 years, from founding to its latest funding, stage changes and deals.

  1. Founded United Microelectronics is founded.
  2. Acquisition Acquires Nippon Steel.
  3. IPO Lists on the stock exchange (IPO).
  4. Acquisition Acquires HeJian.

Web traffic of United Microelectronics

The website of United Microelectronics (umc.com) receives about 82.6K visits a month and ranks #466,163 among all websites worldwide, #1,890 in Computer Hardware.

  • Monthly visits
    82.6K

    ▲ 28.5% vs previous month

  • Unique visitors
    23.5K

    per month

  • Global rank
    #466,163

    among all websites

  • Category rank
    #1,890

    Computers Electronics and Technology · Computer Hardware

Similar websites

Websites whose visitors overlap most with United Microelectronics. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
tsmc.com
100%
1M#54,157View details
micron.com
99%
1.4M#30,596View details
chenbro.com
71%
24.4K#1,090,157View details
teamgroup.com.tw
teamgroup.com.tw
71%
–
adfastec.com
adfastec.com
71%
–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
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Related news about United Microelectronics

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Frequently Asked Questions about United Microelectronics

United Microelectronics was founded in 1980.

United Microelectronics is headquartered in Hsinchu, Taiwan.

United Microelectronics was founded in 1980 in Hsinchu, Taiwan. Operations in the semiconductor sector are conducted through foundry services and integrated circuit fabrication. A portfolio of process technologies is maintained for customer needs. Research and development efforts are prioritized to support microelectronics advancements. Global facilities enable service to diverse industries in electronics and related fields.

Yes, United Microelectronics is publicly traded on TWSE under the ticker symbol 2303.

United Microelectronics has made 2 acquisitions, including HeJian, and Nippon Steel.

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