Austrian manufacturer of high-end printed circuit boards and semiconductor IC substrates.
Last updated August 31, 2026
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Overview
AT&S, formally AT & S Austria Technologie & Systemtechnik Aktiengesellschaft, is an Austrian electronics manufacturer specializing in advanced printed circuit boards and integrated-circuit substrates. The company serves sectors in which compact size, high signal integrity, thermal performance, reliability, and manufacturing precision are critical, including mobile devices, automotive electronics, industrial systems, medical technology, telecommunications, and high-performance computing. The business developed from an Austrian printed-circuit-board operation into an internationally organized supplier with production in Europe and Asia and sales support across major technology markets. Its portfolio includes conventional and high-density interconnect printed circuit boards, high-frequency and high-speed interconnect solutions, and IC substrates used to connect semiconductor packages with the systems in which they operate. IC substrates are particularly important in advanced processors and other high-performance semiconductor applications because they provide the electrical and mechanical interface between the chip package and the circuit board. AT&S has built a substantial international manufacturing footprint. The production network identified in reference material comprises facilities in Leoben and Fehring in Austria, Nanjangud in India, Chongqing and Shanghai in China, and Kulim in Malaysia. The company has also maintained sales and support offices in locations including San Jose, Chicago, Düren, Stockholm, Bengaluru, Seoul, Tokyo, Taipei, and Hong Kong. A South Korean manufacturing operation in Ansan was agreed for sale to Italian company SO.MA.CI.S. in 2024, subject to the transaction terms described by the company. The company supplies or has supplied technology customers across several categories. Reference material identifies AMD as a customer for high-end IC substrates for data-center processors, Apple as a customer relationship associated with mobile devices and substrates, Fairphone as a customer beginning in 2015, and Sony Ericsson as an awarded supplier relationship in 2017. AT&S also develops hybrid printed-circuit-board structures optimized for high-frequency applications, supporting the rollout of newer mobile communications networks such as 5G. AT&S became listed on the Vienna Stock Exchange in 2008. Its corporate development has included international expansion, increasing emphasis on semiconductor packaging technologies, and investment in research and development. In 2025, it opened the Hinterberg 3 competence center in Leoben for research, development, and IC-substrate production. The company described this facility as a European base for local development and production capabilities in a field strategically important to advanced microchips. Leadership changed materially after Andreas Gerstenmayer resigned as chief executive officer in September 2024 after more than fourteen years in the role. Michael Mertin was announced as his successor for a three-year term beginning in May 2025. The supervisory board also elected Andy Mattes as chairman in July 2025. Chief financial officer Petra Preining announced her retirement effective August 2025, and AT&S later announced Gerrit Steen as her successor from February 2026. These changes formed part of a planned transition to a three-member executive board consisting of the CEO, CFO, and chief technology officer.
History
AT&S was established in Austria in 1987 and developed as a specialist in printed-circuit-board technology. Its original industrial base was expanded over time through international production and sales operations, allowing the company to serve customers in multiple electronics markets. The business gradually moved beyond standard board manufacturing toward technically demanding applications requiring fine geometries, high signal performance, multilayer construction, and strong reliability. A major element of AT&S's development was its internationalization. Production sites were established or operated in Austria, China, India, and Malaysia, while commercial and technical support offices were placed near important customer and technology centers in Europe, North America, and Asia. This footprint enabled AT&S to combine European engineering and manufacturing capabilities with access to the principal global electronics supply chains. The company broadened its customer base across mobile devices, telecommunications, automotive and industrial electronics, medical applications, and semiconductor-related markets. Reference material records AT&S among Apple's top 200 worldwide suppliers in 2015 and 2016. In 2015, it also became a supplier to Fairphone. The company later received recognition as a supplier to Sony Ericsson in 2017. These relationships reflected AT&S's role in supplying compact, reliable interconnect technologies for consumer and communications hardware. AT&S's strategic focus increasingly included IC substrates. These components are positioned between semiconductor packages and circuit boards and must meet demanding requirements for electrical performance, miniaturization, thermal management, and manufacturing accuracy. The company supplies high-end substrates for applications including data-center processors, with AMD identified in reference material as a customer in this area. It has also developed hybrid PCB structures optimized for high-frequency signals, supporting communications infrastructure associated with the evolution of mobile networks and 5G. AT&S has been listed on the Vienna Stock Exchange since 2008. Public-company status supported greater visibility and access to capital while the company continued investing in advanced manufacturing and research. The business maintained production in Leoben and Fehring in Austria, Nanjangud in India, Chongqing and Shanghai in China, and Kulim in Malaysia. It also operated a South Korean facility in Ansan, which became the subject of a divestment agreement in 2024. In September 2024, AT&S agreed to sell AT&S Korea Co., Ltd. and the Ansan plant to SO.MA.CI.S. S.p.A. The announced equity value was approximately EUR 405 million. The same period brought a leadership transition: Andreas Gerstenmayer, who had been CEO since February 2010, resigned for personal reasons on September 30, 2024. In February 2025, the company announced Michael Mertin as the incoming CEO for a three-year term starting May 1, 2025. AT&S continued to reinforce its European technology base in 2025. On June 3, it opened the Hinterberg 3 competence center in Leoben, combining research and development with IC-substrate production. The company described the facility as the first and only European location with local capabilities for both developing and producing IC substrates, which are important components in high-performance microchips. Governance changes also continued in 2025. Andy Mattes was elected chairman of the supervisory board after the July annual general meeting. CFO Petra Preining announced her retirement effective August 31, 2025. In December 2025, AT&S announced Gerrit Steen as her successor from February 1, 2026, alongside a streamlined executive-board structure comprising the CEO, CFO, and CTO. AT&S therefore entered its next phase as a publicly listed specialist in advanced PCBs, semiconductor substrates, and high-frequency interconnect technology.
- 2025
Hinterberg 3 competence center opens
[2]AT&S opens a Leoben center for research, development, and IC-substrate production.
- 2024
South Korean plant sale agreed
[2]AT&S signs an agreement to sell AT&S Korea and the Ansan plant to SO.MA.CI.S. S.p.A.
- 2017
Recognized as a Sony Ericsson supplier
[1]AT&S is identified as an awarded supplier to Sony Ericsson.
- 2015
Fairphone supplier relationship begins
[1]AT&S becomes a supplier to Fairphone, while reference material also identifies the company among Apple's top 200 worldwide suppliers in 2015.
- 2008
Listing on the Vienna Stock Exchange
[1]AT&S becomes a publicly listed company on the Vienna Stock Exchange.
- 1987
AT&S is founded in Austria
[1]Austria Technologie & Systemtechnik is established as an Austrian printed-circuit-board technology company.
Products and positioning
A high-end technology supplier focused on advanced printed-circuit-board manufacturing, IC substrates, semiconductor packaging interfaces, and high-frequency interconnect solutions for demanding electronics applications.
Electronic interconnects
Printed circuit boards
AT&S designs and manufactures printed circuit boards that provide the electrical interconnection platform for electronic systems. Its capabilities extend to demanding multilayer, high-density, and application-specific constructions used in mobile devices, automotive systems, industrial equipment, medical products, telecommunications, and other reliability-sensitive applications.
Semiconductor packaging
IC substrates
IC substrates connect semiconductor packages to system boards and help distribute power and data from advanced chips. AT&S focuses on high-end substrates for demanding semiconductor applications, including data-center processors and high-performance microchips, where fine interconnect structures and electrical performance are essential.
Telecommunications and high-speed electronics
High-frequency and high-speed interconnect solutions
These solutions are designed for applications in which signal loss, electromagnetic behavior, and transmission performance are important. AT&S develops high-frequency optimized and hybrid PCB structures for communications equipment and other systems affected by the continuing expansion of high-speed mobile networks, including 5G.
Brand decisions
2025
Opening of the Hinterberg 3 IC-substrate competence centerProduct launchBackground
AT&S sought to strengthen European capabilities in the development and production of IC substrates for advanced semiconductor systems.
Action taken
The company opened the Hinterberg 3 facility in Leoben, combining research and development with IC-substrate production.
Aftermath
AT&S positioned the center as a specialized European base for semiconductor-substrate technology and high-performance microchip applications.
2025
Transition to a streamlined executive-board structureStrategyBackground
Leadership changes followed the appointment of Michael Mertin as CEO and the announced retirement of CFO Petra Preining.
Action taken
AT&S announced Gerrit Steen as incoming CFO from February 1, 2026, with an executive board structure consisting of the CEO, CFO, and CTO.
Aftermath
The change was intended to establish a more compact executive leadership arrangement.
2024
Agreement to sell AT&S Korea and the Ansan plantM&ABackground
AT&S signed an agreement with SO.MA.CI.S. S.p.A. concerning its South Korean subsidiary and production site in Ansan.
Action taken
The parties agreed to a sale with an announced equity value of approximately EUR 405 million.
Aftermath
The transaction represented a strategic divestment from the South Korean production site and was expected to change AT&S's manufacturing footprint.
Announced equity value. Approximately EUR 405 million (September 23, 2024)
Recent events
- Unconfirmed
ATS announces agreement to acquire SP Industries[3]
ATS announced that it entered into a definitive agreement to acquire SP Industries for US$445 million, subject to customary post-closing adjustments and regulatory filings. The transaction was expected to close in the fourth quarter of 2021 or no later than the first quarter of 2022.
Reported
ATS acquires NCC Automated Systems[4]
ATS Automation Tooling Systems Inc. acquired NCC Automated Systems Inc. for US$40 million.
Reported
AT&S earns Intel’s 2020 Preferred Quality Supplier Award[5]
AT&S announced that it earned Intel’s Preferred Quality Supplier Award for 2020, one of 26 suppliers to receive the award.
Sources5 sources
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