Frequentis
Corporate brand
UnclaimedAustrian technology company supplying communication, information, and control-center systems for air traffic management, public safety, transport, defence, and maritime operations.
Last updated October 14, 2026
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Overview
Frequentis is an Austrian high-technology company headquartered in Vienna that develops communication, information, and control-center systems for organizations where coordinated decisions and reliable information exchange are critical. Its principal market is air traffic management, but its portfolio also serves police, fire and rescue services, defence organizations, railways, public transport operators, maritime authorities, and coastal-rescue services. The company combines voice communications, operational information, dispatching, control-room software, and related integration services rather than operating primarily as a consumer-facing technology brand. The company was founded in Vienna in 1947 by Emanuel Strunz and Walther Hamm during the post-war reconstruction period. Its first known contract involved assistance with the Vienna II radio station. In its early decades, Frequentis worked on a broad range of technical projects, including industrial steel-hardening facilities and ultrasound therapy equipment. It later developed a stronger specialization in communications and operational systems, including the air traffic control system at Vienna International Airport. Frequentis expanded its international position through contracts and subsidiaries serving national infrastructure operators. Hannes Bardach became managing director in 1983 and subsequently became the company’s owner. Internationalization included the establishment of a United States subsidiary in 1999. Major referenced projects included a GSM-R dispatcher contract for Deutsche Bahn in Germany in 2002, an integrated communications system for London’s Metropolitan Police in 2005, and a control-center project for Norway’s Nødnett public-safety radio network in 2006. Air traffic management remains the company’s core business. Frequentis supplies systems used by air navigation service providers and other aviation organizations for voice communications, aeronautical information, control-center operations, and related workflows. The company has also participated in European aviation infrastructure initiatives. It is a founding shareholder of GroupEAD Europe S.L., the service provider operating the European Aeronautical Database on behalf of EUROCONTROL. Frequentis has additionally worked on initiatives associated with the Single European Sky, including common voice-communications capabilities for Europe. The company has broadened its capabilities through acquisitions and strategic investments. In 2016 it acquired German ATM provider Comsoft GmbH, later operating the business as Frequentis Comsoft GmbH. In 2021 it acquired selected voice-communication product lines from L3Harris Technologies covering civil and military air traffic control. It acquired a 51 percent interest in Italian company Regola S.r.l. in 2022, took a 25 percent stake in Aviamaps Oy, subsequently known as Flyk Oy, in the same year, and acquired all of GuardREC ATC in 2023. These transactions strengthened Frequentis’s product coverage in air traffic management and adjacent operational-technology markets. Frequentis has a global operating footprint, with employees and associated companies in locations across more than 50 countries according to the referenced company description. Its customers are generally public authorities, infrastructure operators, air navigation service providers, emergency organizations, and other institutional users. The brand’s positioning is consequently based on safety, resilience, interoperability, specialist domain expertise, and long-term operational reliability rather than mass-market recognition. Frequentis AG shares began trading on 14 May 2019 in the General Standard segment of the Frankfurt Stock Exchange and on the prime market of the Vienna Stock Exchange under the symbol FQT. The company remains an active specialist supplier of mission-critical communication and information systems, with air traffic management at the center of its business and public safety, defence, transport, and maritime operations as important adjoining markets.
History
Frequentis was established in Vienna in 1947 by Emanuel Strunz and Walther Hamm. Its early work reflected the broad technical needs of post-war reconstruction. The company’s first reported contract was assistance with the Vienna II radio station, and its subsequent activities included projects outside its later core markets, such as steel-hardening facilities and ultrasound therapy equipment. Over time, Frequentis concentrated increasingly on communications and information systems for operationally demanding environments. One important early aviation achievement was construction of the air traffic control system at Vienna International Airport. This work helped establish the technical and sector expertise that later made air traffic management the company’s central market. Hannes Bardach became managing director in 1983 and later became the owner of Frequentis. Under his leadership, the company developed a more international orientation. A United States subsidiary was established in 1999. The company subsequently won several public-infrastructure projects, including Deutsche Bahn’s GSM-R dispatcher contract in 2002, an integrated communications system for London’s Metropolitan Police in 2005, and a control-center contract associated with Norway’s Nødnett public-safety radio network in 2006. Frequentis’s activities expanded beyond individual customer installations into broader European aviation infrastructure. The company became a founding shareholder of GroupEAD Europe S.L., which operates the European Aeronautical Database on behalf of EUROCONTROL. It has also been associated with work connected with the Single European Sky, including development efforts around a common European voice-communications system. The company’s growth strategy has included acquisitions in air traffic management and mission-critical communications. In January 2016, Frequentis acquired Comsoft GmbH, described as a leading German ATM provider. The business was subsequently renamed Frequentis Comsoft GmbH. In 2021, Frequentis acquired business units from L3Harris Technologies covering voice-communication products for civil and military air traffic control. The company then acquired 51 percent of Regola S.r.l. in January 2022, bought a 25 percent stake in Aviamaps Oy in September 2022, and acquired GuardREC ATC in full in July 2023. Frequentis now operates through a network of locations and associated companies in more than 50 countries. Its portfolio serves air navigation and airport organizations as well as police, fire and rescue services, defence users, railways, public transport, shipping, and coastal-rescue authorities. The common thread across these sectors is the need for dependable communications, shared operational information, dispatching, and control-center coordination. On 14 May 2019, Frequentis AG became publicly traded in the General Standard segment of the Frankfurt Stock Exchange and on the prime market of the Vienna Stock Exchange. Its shares trade under the symbol FQT. The company continues to present itself as a specialist technology provider whose principal competitive attributes are domain knowledge, safety-critical reliability, systems integration, and the ability to support long-lived public and infrastructure operations.
- 2023
GuardREC ATC acquisition
[1]Frequentis acquired 100 percent of GuardREC ATC.
- 2022
Regola and Aviamaps transactions
[1]Frequentis acquired a majority interest in Regola and a minority stake in Aviamaps, later known as Flyk.
- 2021
L3Harris product-line acquisition
[1]Frequentis acquired selected L3Harris voice-communication product lines for civil and military air traffic control.
- 2019
Public listing
[1]Frequentis AG shares began trading in Frankfurt and Vienna on 14 May 2019 under ticker FQT.
- 2016
Comsoft acquisition
[1]Frequentis acquired German ATM provider Comsoft GmbH, later renamed Frequentis Comsoft GmbH.
- 2006
Norwegian Nødnett control-center project
[1]Frequentis obtained a contract connected with building the control centre for Norway’s public-safety radio network.
- 2005
London Metropolitan Police communications project
[1]The company won a contract to create an integrated communications system for London’s Metropolitan Police.
- 2002
Deutsche Bahn GSM-R dispatcher contract
[1]Frequentis won a GSM-R dispatcher contract from Deutsche Bahn in Germany.
- 1999
United States subsidiary established
[1]Frequentis expanded its international presence by establishing a US subsidiary.
- 1983
Hannes Bardach becomes managing director
[1]Hannes Bardach became managing director and later became the company’s owner.
Products and positioning
A specialist provider of resilient, interoperable, mission-critical communications and control-center technology for aviation, public safety, transport, defence, and maritime users.
Air traffic management
Air traffic management systems
Frequentis’s core portfolio supports air navigation and airport operations through integrated communication, information, and control-center capabilities. The systems are designed for environments in which controllers and operational staff must coordinate aircraft movements, exchange reliable information, and maintain continuity under demanding conditions. The portfolio includes voice communications, aeronautical information, and related ATM workflows.
Mission-critical communications
Voice Communication Systems
Voice communication products provide the communications layer used by air traffic control and other operational control rooms. Frequentis has developed and acquired product lines serving civil and military aviation, with emphasis on dependable connectivity, operator coordination, and integration with wider control-center environments.
Aviation information systems
Aeronautical Information Management
Aeronautical information management capabilities support the collection, processing, and distribution of information needed by aviation organizations. They form part of the broader ATM environment and are intended to help operational users work from consistent, structured information.
Public safety
Public-safety dispatch and control-center systems
Frequentis supplies communications and control-center solutions for police, fire, rescue, and emergency organizations. These systems support dispatching, incident coordination, radio and voice communications, and information sharing among agencies that must respond quickly to complex events.
Transport and maritime operations
Transport and maritime communication systems
The company also applies its mission-critical communications expertise to railways, public transport, shipping, maritime operations, and coastal rescue. The solutions are intended for control rooms and operational teams that require dependable voice communication, dispatching, and coordinated information management.
Brand decisions
2023
Acquire GuardREC ATCM&ABackground
Frequentis continued consolidating capabilities in air traffic control technology.
Action taken
Frequentis acquired 100 percent of GuardREC ATC.
Aftermath
The acquisition added GuardREC ATC to Frequentis’s wholly owned business portfolio.
2022
Acquire majority interest in RegolaM&ABackground
Frequentis continued expanding through targeted ownership positions in companies relevant to mission-critical and operational communications.
Action taken
Frequentis acquired a 51 percent interest in Regola S.r.l.
Aftermath
Frequentis obtained majority ownership of the Italian company.
2022
Take a stake in AviamapsM&ABackground
The investment supported Frequentis’s wider aviation technology ecosystem.
Action taken
Frequentis acquired a 25 percent stake in Aviamaps Oy, later known as Flyk Oy.
Aftermath
The transaction gave Frequentis a minority position in the aviation-related company.
2021
Acquire L3Harris air-traffic-control product linesM&ABackground
Frequentis aimed to broaden its voice-communication offering for aviation customers.
Action taken
The company acquired business units from L3Harris Technologies covering voice-communication product lines for civil and military air traffic control.
Aftermath
The transaction increased Frequentis’s coverage of civil and defence-related ATM communications.
2019
Public-market listingStrategyBackground
Frequentis pursued access to public equity markets while remaining a specialist provider of infrastructure and safety-critical technology.
Action taken
Frequentis AG shares were admitted to trading in Frankfurt’s General Standard and on Vienna’s prime market under FQT.
Aftermath
The listing established public-market trading for the company in both Germany and Austria.
2016
Acquire Comsoft GmbHM&ABackground
Frequentis sought to strengthen its position in the air traffic management market through the purchase of German ATM specialist Comsoft.
Action taken
Frequentis acquired Comsoft GmbH and subsequently operated the business under the Frequentis Comsoft name.
Aftermath
The transaction expanded Frequentis’s ATM capabilities and presence in Germany.
Sources2 sources
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