Summary Of Material Accounting Policy Information - Summary of Subsidiaries (Detail)
|
12 Months Ended |
Dec. 31, 2023 |
Dec. 31, 2022 |
| The Company [Member] | ASE [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the packaging and testing of semiconductors
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| The Company [Member] | USIINC [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| The Company [Member] | SPIL [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the assembly, testing and turnkey services of integrated circuit
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| The Company [Member] | ASE Social Enterprise Co., Ltd [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in social services, and was established in June 2022
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| The Company [Member] | ASE Global Integrated Solutions CoLtd [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in integration-relevant services, and was established in September 2023
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
100.00%
|
0.00%
|
| ASE [Member] | ASE Holding Limited [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Bermuda
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE [Member] | J & R Holding Limited ("J&R Holding") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Bermuda
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE [Member] | Innosource Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Virgin Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE [Member] | Omniquest Industrial Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Virgin Islands
|
|
| Percentage of Ownership (%) |
71.00%
|
71.00%
|
| ASE [Member] | ASE Marketing & Service Japan Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in marketing and sales services
|
|
| Establishment and Operating Location |
Japan
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE [Member] | ASE Test, Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the testing of semiconductors
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE [Member] | Luchu Development Corporation [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the development of real estate properties, and was disposed in December 2023 (Note 30)
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
0.00%
|
67.10%
|
| ASE [Member] | Advanced Microelectronic Products Inc. ("AMPI") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the manufacturing of integrated circuit
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
7.60%
|
7.60%
|
| ASE [Member] | ASE Singapore Pte. Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the packaging and testing of semiconductors
|
|
| Establishment and Operating Location |
Singapore
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE [Member] | ASE Electronics (M) Sdn. Bhd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the packaging and testing of semiconductors
|
|
| Establishment and Operating Location |
Malaysia
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASET [Member] | Luchu Development Corporation [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the development of real estate properties, and was disposed in December 2023 (Note 30)
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
0.00%
|
19.00%
|
| ASET [Member] | Advanced Microelectronic Products Inc. ("AMPI") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the manufacturing of integrated circuit
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
43.40%
|
43.40%
|
| ASET [Member] | Alto Enterprises Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Virgin Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASET [Member] | Super Zone Holdings Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Hong Kong
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASET [Member] | TLJ Intertech Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in information software services
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
60.00%
|
60.00%
|
| ASE Holding Limited [Member] | ASE Investment (Labuan) Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Malaysia
|
|
| Percentage of Ownership (%) |
70.10%
|
70.10%
|
| ASE Holding Limited [Member] | ASE Test Limited [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Singapore
|
|
| Percentage of Ownership (%) |
10.20%
|
10.20%
|
| ASE Holding Limited [Member] | ASE Technology Partners, Limited [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Cayman Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE Holding Limited [Member] | Integrated Solutions Enterprise Europe ("ITGEU") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Trading company
|
|
| Establishment and Operating Location |
Belgium
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| J&R Holding Limited [Member] | Omniquest Industrial Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Virgin Islands
|
|
| Percentage of Ownership (%) |
8.40%
|
8.40%
|
| J&R Holding Limited [Member] | ASE Test [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Singapore
|
|
| Percentage of Ownership (%) |
89.80%
|
89.80%
|
| J&R Holding Limited [Member] | J&R Industrial Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in leasing equipment and investing activity
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| J&R Holding Limited [Member] | ASE Japan Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the packaging and testing of semiconductors
|
|
| Establishment and Operating Location |
Japan
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| J&R Holding Limited [Member] | ASE (U.S.) Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
After-sales service and sales support
|
|
| Establishment and Operating Location |
U.S.A.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| J&R Holding Limited [Member] | Global Advanced Packaging Technology Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Cayman Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Innosource Limited Investor [Member] | Omniquest Industrial Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Virgin Islands
|
|
| Percentage of Ownership (%) |
20.60%
|
20.60%
|
| Innosource Limited Investor [Member] | ASE (Shanghai) Inc. ("ASEMTL") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the production of substrates
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
8.50%
|
8.50%
|
| Innosource Limited Investor [Member] | ASE Enterprise Management (Shanghai) Inc. ("ASEEMSH") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the leasing of properties and buildings, and was spun off from ASEMTL in November 2023
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
8.50%
|
0.00%
|
| Omniquest Industrial Limited [Member] | ASE Corporation [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Cayman Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Alto Enterprises Limited [Member] | ASE Investment (Kun Shan) Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Kun Shan, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Super Zone Holdings Limited [Member] | Advanced Semiconductor Engineering (China) Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the packaging and testing of semiconductors, after-sale services, advisory and lease of factory
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE Investment Labuan Inc [Member] | ASE (Korea) Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the packaging and testing of semiconductors
|
|
| Establishment and Operating Location |
Korea
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE Technology Partners, Limited [Member] | ASE Technology Acquisition Corporation [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Cayman Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE Test [Member] | ASE Investment (Labuan) Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Malaysia
|
|
| Percentage of Ownership (%) |
29.90%
|
29.90%
|
| ASE Test [Member] | ASE Test Holdings, Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Cayman Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE Test [Member] | ASE Holdings (Singapore) Pte. Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Singapore
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE Test Holdings Ltd [Member] | ISE Labs, Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the testing of semiconductors
|
|
| Establishment and Operating Location |
U.S.A.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ISE Labs Inc [Member] | ISE Services, Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in turnkey services of semiconductors
|
|
| Establishment and Operating Location |
U.S.A.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Global Advanced Packaging Technology Limited [Member] | ASE Assembly & Test (Shanghai) Limited ("ASESH") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the packaging and testing of semiconductors and leasing of properties
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASESH [Member] | Wuxi Tongzhi Microelectronics Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the packaging and testing of semiconductors
|
|
| Establishment and Operating Location |
Wuxi, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASESH [Member] | ISE Labs, China, Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the testing of semiconductor
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASESH [Member] | Shanghai Ding Hui Real Estate Development Co., Ltd. ("DH") [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the development, construction and sale of real estate properties
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
60.00%
|
60.00%
|
| DH [Member] | Shanghai Ding Qi Property Management Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the management of real estate properties
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| DH [Member] | Shanghai Ding Wei Real Estate Development Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the management of properties, parking lot business and leasing of properties for shopping center
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| DH [Member] | Shanghai Ding Yu Real Estate Development Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the management of properties, parking lot business and leasing of properties for shopping center
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| DH [Member] | Kun Shan Ding Hong Real Estate Development Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the development, construction and leasing of properties for shopping center
|
|
| Establishment and Operating Location |
Kun Shan, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| DH [Member] | Shanghai Ding Xu Property Management Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the management of real estate properties
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| DH [Member] | Shanghai Ding Yao Estate Development Co Ltd [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the management of real estate properties
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| DH [Member] | Shanghai Ding Fan Business Management Co Ltd [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the management of commercial complex services and department store trading
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE Corporation [Member] | ASE Mauritius Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Mauritius
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE Corporation [Member] | ASE Labuan Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Malaysia
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASE Mauritius Inc [Member] | ASEEMSH [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the leasing of properties and buildings, and was spun off from ASEMTL in November 2023
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
91.50%
|
0.00%
|
| ASE Mauritius Inc [Member] | ASEMTL [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the production of substrates
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
91.50%
|
91.50%
|
| ASE Labuan Inc [Member] | ASE Electronics Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the production of substrates
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| USIINC [Member] | Huntington Holdings International Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Virgin Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Huntington Holdings International Co Ltd [Member] | Unitech Holdings International Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Virgin Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Huntington Holdings International Co Ltd [Member] | Real Tech Holdings Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
British Virgin Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Huntington Holdings International Co Ltd [Member] | Universal ABIT Holding Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
In the process of liquidation
|
|
| Establishment and Operating Location |
British Cayman Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Real Tech Holdings Limited [Member] | USI Enterprise Limited ("USIE") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the service of investment advisory and warehousing management
|
|
| Establishment and Operating Location |
Hong Kong
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| USIE [Member] | USISH [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the designing, manufacturing and sales of electronic components
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
77.00%
|
77.20%
|
| USISH [Member] | Universal Global Technology Co., Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Hong Kong
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| USISH [Member] | Universal Global Technology (Kunshan) Co., Ltd. ("UGKS") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the designing and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Kun Shan, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| USISH [Member] | Universal Global Technology (Shanghai) Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the processing and sales of computer and communication peripherals as well as business in import and export of goods and technology
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| USISH [Member] | USI Electronics (Shenzhen) Co., Ltd. ("USISZ") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design, manufacturing and sales of motherboards and computer peripherals
|
|
| Establishment and Operating Location |
Shenzhen, China
|
|
| Percentage of Ownership (%) |
50.00%
|
50.00%
|
| USISH [Member] | Universal Global Technology (Huizhou) Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the research and manufacturing of new electronic applications, communications, computers and other electronics products and also provided auxiliary technical services as well as import and export services
|
|
| Establishment and Operating Location |
Huizhou, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| USISH [Member] | Universal Global Electronics (Shanghai) Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the sales of electronic components and telecommunications equipment
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| USISH [Member] | FINANCIERE AFG ("FAFG") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
France
|
|
| Percentage of Ownership (%) |
10.40%
|
10.40%
|
| Universal Global Technology Co., Limited [Member] | USI America Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the manufacturing and processing of motherboards and wireless network communication and provision of related technical service
|
|
| Establishment and Operating Location |
U.S.A.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Universal Global Technology Co., Limited [Member] | Universal Global Industrial Co., Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in manufacturing, trading and investing activity
|
|
| Establishment and Operating Location |
Hong Kong
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Universal Global Technology Co., Limited [Member] | Universal Global Scientific Industrial Co., Ltd. ("UGTW") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the manufacturing of components of telecommunication and cars and provision of related R&D services
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Universal Global Technology Co., Limited [Member] | Universal Scientific Industrial De Mexico S.A. De C.V. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the assembling of motherboards and computer components
|
|
| Establishment and Operating Location |
Mexico
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Universal Global Technology Co., Limited [Member] | USI Japan Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the manufacturing and sales of computer peripherals, integrated chip and other related accessories
|
|
| Establishment and Operating Location |
Japan
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Universal Global Technology Co., Limited [Member] | Universal Global Electronics Co., Ltd [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in accepting and outsourcing orders as well as sales of electronic components and service of technical advisory
|
|
| Establishment and Operating Location |
Hong Kong
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Universal Global Technology Co., Limited [Member] | Universal Scientific Industrial (France) [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in investing activities
|
|
| Establishment and Operating Location |
France
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Universal Global Technology Co., Limited [Member] | UNIVERSAL SCIENTIFIC INDUSTRIAL VIETNAM COMPANY LIMITED [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in IC assembly for wearable devices
|
|
| Establishment and Operating Location |
Vietnam
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Universal Global Technology Co., Limited [Member] | USISZ [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design, manufacturing and sales of motherboards and computer peripherals
|
|
| Establishment and Operating Location |
Shenzhen, China
|
|
| Percentage of Ownership (%) |
50.00%
|
50.00%
|
| Universal Global Technology Co., Limited [Member] | Universal Ample Technology Co Limited [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company, and was established in May 2023
|
|
| Establishment and Operating Location |
Hong Kong
|
|
| Percentage of Ownership (%) |
75.10%
|
0.00%
|
| Universal Global Industrial Co., Limited [Member] | Universal Scientific Industrial De Mexico S.A. De C.V. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the assembling of motherboards and computer components
|
|
| Establishment and Operating Location |
Mexico
|
|
| UGTW [Member] | Universal Scientific Industrial Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the manufacturing, processing and sales of computers, computer peripherals and related accessories
|
|
| Establishment and Operating Location |
R.O.C.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Universal Global Electronics (Shanghai) Co., Ltd. [member] | USI Science and Technology (Shenzhen) Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design of electronic components, service of technical advisory; wholesale of electronic components and communication peripherals as well as business in import and export of goods and management of properties
|
|
| Establishment and Operating Location |
Shenzhen, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Universal Scientific Industrial (France) [member] | FAFG [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
France
|
|
| Percentage of Ownership (%) |
89.60%
|
89.60%
|
| Universal Ample Technology Co Limited Investor [Member] | Setus 80. GmbH [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company, and was established in May 2023
|
|
| Establishment and Operating Location |
Germany
|
|
| Percentage of Ownership (%) |
100.00%
|
0.00%
|
| Setus 80. GmbH [Member] | Hirschmann Car Communication Holding S.a.r.l. ("HIRSCHMANN") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Luxembourg
|
|
| Percentage of Ownership (%) |
100.00%
|
0.00%
|
| Hirschmann Car Communications GmbH [Member] | Hirschmann Car Communication S.A.S. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the research and development, and sales marketing
|
|
| Establishment and Operating Location |
France
|
|
| Percentage of Ownership (%) |
100.00%
|
0.00%
|
| FAFG [member] | MANUFACTURING POWER TUNISIA [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Tunisia
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| FAFG [member] | ASTEELFLASH MEXICO S.A. de C.V. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Mexico
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| FAFG [member] | ASTEELFLASH (BEDFORD) LIMITED [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
United Kingdom
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| FAFG [member] | ASTEELFLASH FRANCE [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
France
|
|
| Percentage of Ownership (%) |
99.90%
|
99.90%
|
| FAFG [member] | ASTEELFLASH TUNISIE S.A. [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Tunisia
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| FAFG [member] | ASTEELFLASH HONG KONG LIMITED [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
Hong Kong
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| FAFG [member] | ASTEELFLASH GERMANY GmbH [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Germany
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| FAFG [member] | ASTEELFLASH US HOLDING CORP [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Holding company
|
|
| Establishment and Operating Location |
U.S.A.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| FAFG [member] | AFERH TUNISIE [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the management, training and consulting of human resources
|
|
| Establishment and Operating Location |
Tunisia
|
|
| Percentage of Ownership (%) |
0.50%
|
0.50%
|
| FAFG [member] | ASTEEL ELECTRONICS MANUFACTURING SERVICES [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Tunisia
|
|
| Percentage of Ownership (%) |
0.10%
|
0.10%
|
| FAFG [member] | ASTEELFLASH PLZEN S.R.O. [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Czech Republic
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASTEELFLASH (BEDFORD) LIMITED [Member] | ASTEELFLASH TUNISIE S.A. [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Tunisia
|
|
| ASTEELFLASH TECHNOLOGIE [Member] | ASTEELFLASH FRANCE [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
France
|
|
| ASTEELFLASH FRANCE [Member] | ASTEELFLASH TUNISIE S.A. [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Tunisia
|
|
| ASTEELFLASH FRANCE [Member] | AFERH TUNISIE [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the management, training and consulting of organization and human resources
|
|
| Establishment and Operating Location |
Tunisia
|
|
| Percentage of Ownership (%) |
99.50%
|
99.50%
|
| ASTEELFLASH FRANCE [Member] | ASTEEL ELECTRONICS MANUFACTURING SERVICES [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Tunisia
|
|
| Percentage of Ownership (%) |
99.90%
|
99.90%
|
| ASTEELFLASH FRANCE [Member] | ASTEELFLASH TECHNOLOGIE [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in projection of plastic and the design and manufacturing of industrial components
|
|
| Establishment and Operating Location |
France
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASTEELFLASH FRANCE [Member] | ASTEELFLASH BRETAGNE [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
France
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASTEELFLASH HONG KONG LIMITED [Member] | Asteelflash Suzhou Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Suzhou, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| Asteelflash Suzhou Co., Ltd. [member] | ASTEELFLASH TUNISIE S.A. [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Tunisia
|
|
| ASTEELFLASH GERMANY GmbH [member] | ASTEELFLASH TUNISIE S.A. [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Tunisia
|
|
| ASTEELFLASH GERMANY GmbH [member] | ASTEELFLASH HERSFELD GmbH [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Germany
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASTEELFLASH GERMANY GmbH [member] | ASTEELFLASH EBERBACH GmbH [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Merged by ASTEELFLASH HERSFELD GmbH in November 2023
|
|
| Establishment and Operating Location |
Germany
|
|
| Percentage of Ownership (%) |
0.00%
|
100.00%
|
| ASTEELFLASH GERMANY GmbH [member] | ASTEELFLASH BONN GmbH [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Merged by ASTEELFLASH HERSFELD GmbH in November 2023
|
|
| Establishment and Operating Location |
Germany
|
|
| Percentage of Ownership (%) |
0.00%
|
100.00%
|
| ASTEELFLASH GERMANY GmbH [member] | ASTEELFLASH SCHWANDORF GmbH [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Merged by ASTEELFLASH HERSFELD GmbH in November 2023
|
|
| Establishment and Operating Location |
Germany
|
|
| Percentage of Ownership (%) |
0.00%
|
100.00%
|
| ASTEELFLASH GERMANY GmbH [member] | ASTEELFLASH DESIGN SOLUTIONS HAMBOURG GmbH [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Germany
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASTEELFLASH GERMANY GmbH [member] | EN ELECTRONIC NETWORK SRL [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Romania
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASTEELFLASH MEXICO S.A. de C.V. [member] | ASTEELFLASH TUNISIE S.A. [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Tunisia
|
|
| Hirschmann [member] | Hirschmann Car Communication Kft. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the manufacturing and sales of antennas, RF amplifiers, connectors and wave straps
|
|
| Establishment and Operating Location |
Hungary
|
|
| Percentage of Ownership (%) |
100.00%
|
0.00%
|
| Hirschmann [member] | Hirschmann Car Communication, Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the research and development, and sales marketing
|
|
| Establishment and Operating Location |
U.S.A.
|
|
| Percentage of Ownership (%) |
100.00%
|
0.00%
|
| Hirschmann [member] | Hirschmann Car Communication (Shanghai) Co., Ltd. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the sales of antennas, RF amplifiers and wave straps, PCBs, and tuners
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
100.00%
|
0.00%
|
| Hirschmann [member] | Hirschmann Car Communications GmbH [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the research and development, manufacturing and sales of PCBAs and tuners
|
|
| Establishment and Operating Location |
Germany
|
|
| Percentage of Ownership (%) |
100.00%
|
0.00%
|
| UGHK [member] | Universal Scientific Industrial Poland Sp. z o.o. ("USIPL") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components and new electronic applications
|
|
| Establishment and Operating Location |
Poland
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASEEMSH [member] | DH [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the development, construction and sale of real estate properties (spun off from ASEMTL in November 2023)
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
40.00%
|
0.00%
|
| ASEMTL [member] | Advanced Semiconductor Engineering (HK) Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the trading of substrates
|
|
| Establishment and Operating Location |
Hong Kong
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASEMTL [member] | Universal Scientific Industrial (Shanghai) Co., Ltd. ("USISH") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the designing, manufacturing and sales of electronic components
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
0.80%
|
0.80%
|
| ASEMTL [member] | DH [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the development, construction and sale of real estate properties (spun off to ASEEMSH in November 2023)
|
|
| Establishment and Operating Location |
Shanghai, China
|
|
| Percentage of Ownership (%) |
0.00%
|
40.00%
|
| ASTEELFLASH US HOLDING CORP. [member] | ASTEELFLASH USA CORP. [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
U.S.A.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| ASTEELFLASH USA CORP. [member] | ASTEELFLASH TUNISIE S.A. [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the design and manufacturing of electronic components
|
|
| Establishment and Operating Location |
Tunisia
|
|
| SPIL [Member] | SPIL (B.V.I.) Holding Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in investing activities
|
|
| Establishment and Operating Location |
British Virgin Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| SPIL [Member] | Siliconware Precision Malaysia Sdn. Bhd. [Member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the assembly and testing, and was established in September 2023
|
|
| Establishment and Operating Location |
Malaysia
|
|
| Percentage of Ownership (%) |
100.00%
|
0.00%
|
| SPIL (B.V.I.) Holding Limited [Member] | Siliconware USA, Inc. [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in marketing activities
|
|
| Establishment and Operating Location |
U.S.A.
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| SPIL (B.V.I.) Holding Limited [Member] | SPIL (Cayman) Holding Limited [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in investing activities
|
|
| Establishment and Operating Location |
British Cayman Islands
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|
| SPIL (Cayman) Holding Limited [Member] | Siliconware Technology (Suzhou) Limited ("SZ") [member] |
|
|
| Disclosure of subsidiaries [Line Items] |
|
|
| Main Business |
Engaged in the packaging and testing of semiconductors
|
|
| Establishment and Operating Location |
Suzhou, China
|
|
| Percentage of Ownership (%) |
100.00%
|
100.00%
|