On the Record · ASE Technology Holding
ASE Technology Holding subsidiaries, as it lists them
The subsidiaries ASE Technology Holding lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| Advanced Semiconductor Engineering, Inc. | R.O.C. |
| ASE Social Enterprise Co., Ltd. | R.O.C. |
| ASE Global Integrated Solutions Co., Ltd. | R.O.C. |
| A.S.E. Holding Limited | Bermuda |
| J & R Holding Limited | Bermuda |
| Innosource Limited | British Virgin Islands |
| Omniquest Industrial Limited | British Virgin Islands |
| ASE Marketing & Service Japan Co., Ltd. | Japan |
| ASE Test, Inc. | R.O.C. |
| Advanced Microelectronic Products Inc. | R.O.C. |
| ASE Singapore Pte. Ltd. | Singapore |
| ASE Electronics (M) Sdn. Bhd. | Malaysia |
| ASEP Cayman Ltd. | British Cayman Islands |
| HydroTron Power Co., Ltd. | R.O.C. |
| Alto Enterprises Limited | British Virgin Islands |
| Super Zone Holdings Limited | Hong Kong |
| TLJ Intertech Inc. | R.O.C. |
| ASE Investment (Labuan) Inc. | Malaysia |
| ASE Test Limited | Singapore |
| Integrated Solutions Enterprise Europe | Belgium |
| J&R Industrial Inc. | R.O.C. |
| ASE Japan Co., Ltd. | Japan |
| ASE (U.S.) Inc. | U.S.A. |
| Global Advanced Packaging Technology Limited | British Cayman Islands |
| ASE (Shanghai) Inc. | Shanghai, China |
| ASE Enterprise Management (Shanghai) Inc. | Shanghai, China |
| ASE Corporation | British Cayman Islands |
| ASE Investment (Kun Shan) Limited | Kun Shan, China |
| Advanced Semiconductor Engineering (China) Ltd. | Shanghai, China |
| ASE (Korea) Inc. | Korea |
| ASE Cheonan, Inc. | Korea |
| ASE Test Holdings, Ltd. | British Cayman Islands |
| ISE Labs, Inc. | U.S.A. |
| ISE Services, Inc. | U.S.A. |
| ASE Assembly & Test (Shanghai) Limited | Shanghai, China |
| Wuxi Tongzhi Microelectronics Co., Ltd. | Wuxi, China |
| ISE Labs, China, Ltd. | Shanghai, China |
| Shanghai Ding Hui Real Estate Development Co., Ltd. | Shanghai, China |
| Shanghai Ding Qi Property Management Co., Ltd. | Shanghai, China |
| Shanghai Ding Wei Real Estate Development Co., Ltd. | Shanghai, China |
| Shanghai Ding Yu Real Estate Development Co., Ltd. | Shanghai, China |
| Kun Shan Ding Hong Real Estate Development Co., Ltd | Kun Shan, China |
| Shanghai Ding Xu Property Management Co., Ltd. | Shanghai, China |
| Shanghai Ding Yao Estate Development Co., Ltd. | Shanghai, China |
| Shanghai Ding Fan Business Management Co., Ltd. | Shanghai, China |
| ASE Mauritius Inc. | Mauritius |
| ASE Labuan Inc. | Malaysia |
| ASE Electronics Inc. | R.O.C. |
| Advanced Semiconductor Engineering (HK) Limited | Hong Kong |
| Cyland Corp. | The Philippines |
| USI Inc. | R.O.C. |
| Universal Scientific Industrial (Shanghai) Co., Ltd. | Shanghai, China |
| Huntington Holdings International Co., Ltd. | British Virgin Islands |
| Unitech Holdings International Co., Ltd. | British Virgin Islands |
| Real Tech Holdings Limited | British Virgin Islands |
| Universal ABIT Holding Co., Ltd. | British Cayman Islands |
| USI Enterprise Limited | Hong Kong |
| Universal Ample Technology Co., Limited | Hong Kong |
| Hirschmann Mobility Holding GmbH | Germany |
| Hirschmann Car Communication GmbH | Germany |
| Hirschmann Car Communication Kft. | Hungary |
| Hirschmann Car Communication, Inc. | U.S.A. |
| Hirschmann Car Communication S.A.S. | France |
| Hirschmann Car Communication (Shanghai) Co., Ltd. | Shanghai, China |
| Universal Global Technology Co., Limited | Hong Kong |
| Universal Global Technology (Kunshan) Co., Ltd. | Kun Shan, China |
| Universal Global Technology (Shanghai) Co., Ltd. | Shanghai, China |
| Universal Global Electronics (Shanghai) Co., Ltd. | Shanghai, China |
| USI Electronics (Shenzhen) Co., Ltd. | Shenzhen, China |
| Universal Global Technology (Huizhou) Co., Ltd. | Huizhou, China |
| Universal Optoelectronics Co., Ltd | Shanghai, China |
| EugenLight Technologies | Chengdu, China |
| Universal Global Industrial Co., Limited | Hong Kong |
| Universal Global Scientific Industrial Co., Ltd. | R.O.C. |
| USI America Inc. | U.S.A. |
| Universal Scientific Industrial De Mexico S.A. De C.V. | Mexico |
| USI Japan Co., Ltd. | Japan |
| Universal Scientific Industrial (France) | France |
| UNIVERSAL SCIENTIFIC INDUSTRIAL VIETNAM COMPANY LIMITED | Vietnam |
| Universal Scientific Industrial Co., Ltd. | R.O.C. |
| USI Science and Technology (Shenzhen) Co., Ltd. | Shenzhen, China |
| FINANCIERE AFG | France |
| MANUFACTURING POWER TUNISIA | Tunisia |
| ASTEELFLASH MEXICO S.A. de C.V. | Mexico |
| ASTEELFLASH (BEDFORD) LIMITED | United Kingdom |
| ASTEELFLASH FRANCE | France |
| ASTEELFLASH TUNISIE S.A. | Tunisia |
| ASTEELFLASH HONG KONG LIMITED | Hong Kong |
| Asteelflash Holding GmbH. | Germany |
| ASTEELFLASH US HOLDING CORP. | U.S.A. |
| ASTEELFLASH PLZEN S.R.O. | Czech Republic |
| ASTEEL ELECTRONICS MANUFACTURING SERVICES | Tunisia |
| ASTEELFLASH TECHNOLOGIE | France |
| AFERH TUNISIE | Tunisia |
| Asteelflash Suzhou Co., Ltd. | Suzhou, China |
| USI Asteelflash Poland Sp. z o.o. | Poland |
| Asteelflash Germany GmbH. | Germany |
| ASTEELFLASH DESIGN SOLUTIONS HAMBOURG GmbH | Germany |
| EN ELECTRONICNETWORK SRL | Romania |
| ASTEELFLASH USA CORP. | U.S.A. |
| Siliconware Precision Industries Co., Ltd. | R.O.C. |
| SPIL (B.V.I.) Holding Limited | British Virgin Islands |
| Siliconware Precision Malaysia Sdn. Bhd. | Malaysia |
| Siliconware USA, Inc. | U.S.A. |
| SPIL (Cayman) Holding Limited | British Cayman Islands |
| Siliconware Technology (Suzhou) Limited | Suzhou, China |
| Goodcare Holdings Inc. | R.O.C. |
| Goodcare Health Inc. | R.O.C. |
| TW Future Homecare Inc. | R.O.C. |
| TC SPRING CO.,LTD. | R.O.C. |
From the subsidiary exhibit of the 20-F for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from ASE Technology Holding’s annual reports (20-F for 2025, 20-F for 2024, 20-F for 2023) and the financial data it files with the SEC, as of 2026-04-01. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.