How many employees work at ASE Technology Holding?

ASE Technology Holding Co., Ltd. has 19,822 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 0.6%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025

About ASE Technology Holding

ASE (Advanced Semiconductor Engineering, Inc), a member of ASE Technology Holdings (NYSE:ASX) is one of the world's largest providers of outsourced semiconductor manufacturing services in assembly and test (OSAT), and, a leading provider of electronic manufacturing services (EMS) through its sister company, USI.  Addressing global proliferation of sophisticated electronics geared towards improving lifestyle and efficiency, ASE is strategically integrating synergies between its well established OSAT and EMS business units. ASE is at the forefront of a new class of EMS that delivers modularized, miniaturized ICs with system-level precision to enable high-performance and highly integrated devices. As a result, ASE is truly bridging the gap between silicon and system makers. From traditional semiconductor players to players innovating applications within IoT, wearables, automotive, AR/VR, connectivity and many more, success within an increasingly dynamic market hinges on creating and sustaining highly productive manufacturing partnerships. ASE has proven ability to collaborate closely with customers, to understand markets and create value propositions, and to deliver advanced packaging and SiP solutions to meet growth momentum across a broad range of end markets. Manufacturing facilities are strategically located within key electronics manufacturing hubs, including Taiwan, China, Korea, Japan, Malaysia, and Singapore. Serving customers across the global electronics ecosystem, regional sales offices are located in Sunnyvale (USA), Brussels (Europe), Hsinchu (Taiwan), Shanghai/Beijing (China), Shenzhen (China), Yokohama (Japan), Gyeonggi-do (Korea) and Singapore. For more, please visit: aseglobal.com. Also, please follow ASE on Twitter: @aseglobal.

As of September 2025

ASE Technology Holding
workforce metrics

Headcount

19.8k

Avg. Salary

$29k

Tenure

4.6yr

Growth Rate

0.6%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of ASE Technology Holding annual worldwide employee count from 2023 to 2025.

  • ASE Technology Holding total number of employees in 2025 was 19,841.898, a 0.6% increase from 2024.
  • ASE Technology Holding total number of employees in 2024 was 19,669.277, a 0.6% increase from 2023.
  • ASE Technology Holding total number of employees in 2023 was 19,547.412, a 0.2% increase from 2022.

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Employee Geographic Breakdown

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Employee Role Breakdown

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Employee Compensation

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Active Job Postings

Interactive chart of ASE Technology Holding annual active job postings from 2023 to 2025.

  • ASE Technology Holding active job postings in 2025 was 1,173, a 51.4% increase from 2024.
  • ASE Technology Holding active job postings in 2024 was 684, a 101.0% increase from 2023.
  • ASE Technology Holding active job postings in 2023 was 225, a 72.3% decline from 2022.

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Employee Sentiment

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