Adaptive Regelsysteme Gesellschaft m.b.H. (ADRESYS)
Austrian developer of smart-textile workplace-safety systems (ANGEL React) and high-voltage testing products, part of the OMICRON group.
Last updated September 28, 2026
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Overview
Adaptive Regelsysteme Gesellschaft m.b.H., trading as ADRESYS, is an Austrian technology company based in Salzburg. It operates as a subsidiary of OMICRON electronics GmbH, the globally active specialist in testing, analysis and diagnosis equipment for the energy sector. ADRESYS describes itself as an innovation-driven unit with a start-up character inside the larger OMICRON group, working under the motto "break the rules…innovate!". ADRESYS has two closely related fields of activity. The first is product development for its parent company: the company states that it develops the most modern products for testing in electrical high- and medium-voltage installations, in close cooperation with OMICRON electronics. The second, and the one most visible to end users, is its own brand ANGEL React — a range of smart-textile emergency-call systems for lone workers. The ANGEL React system automatically detects immobility, falls and electrical accidents and calls for help when the wearer is no longer able to do so. The product family includes the ANGEL React Clip System, the ANGEL React Shirt System, a T-shirt, an emergency switch (Notfallschalter) and indoor location technology (Innenraumortung) with a Location Beacon for higher indoor positioning accuracy. A Watchdog component is described as rapidly cutting off voltage sources. Beyond hardware, ADRESYS offers services around ANGEL React: consulting on indoor positioning, pre-registration of devices for easier commissioning, motivation packages intended to improve safety culture and usage rates, anonymised user statistics and accident figures for teams with more than five systems, support for offline scenarios where mobile or internet connectivity is unavailable, and customised solutions for the app and the help-coordination portal, including interfaces to internal alarm or user-management systems. The company also positions itself as a partner for companies that want to introduce smart workwear, offering tailored work clothing and systems. ADRESYS frames its mission around occupational safety: "Safe working is our promise" is a recurring statement, and the company says its philosophy puts people — specifically the technological benefit for workers — at the centre. It also states an ambition to revolutionise the smart-textile solutions industry by integrating advanced technology into wearable textiles that can withstand everyday washing and wearing, developing prototypes, testing them and supporting other companies on the path to smart workwear. Its development team is based at the Salzburg innovation location. Because ADRESYS is a subsidiary of the privately held OMICRON electronics GmbH, it is not separately listed on a stock exchange. Its public profile is built mainly around the ANGEL React brand and its role as a development arm for OMICRON's high- and medium-voltage testing portfolio.
History
Adaptive Regelsysteme Gesellschaft m.b.H. (ADRESYS) is an Austrian company headquartered at Oberndorferstraße 35/C in Salzburg. It forms part of the OMICRON group, whose parent, OMICRON electronics GmbH, is described by ADRESYS as the world's leading manufacturer of innovative solutions for testing, analysis and diagnosis of equipment in energy technology. ADRESYS operates as a subsidiary within that group, and its public communications emphasise that it combines the advantages of a large organisation with the autonomy of a start-up. The company's development work has historically been tied to its parent's core business: ADRESYS states that it develops the most modern products for testing in electrical high- and medium-voltage installations, and that these products are continuously adapted to remain innovative. This work is carried out in close cooperation with OMICRON electronics, and the company describes its ambition to set groundbreaking standards in the energy industry. Over time, ADRESYS expanded into a second, more consumer- and worker-facing field: smart textiles and occupational safety. Under the brand ANGEL React, it created a family of emergency-call systems for lone workers. The ANGEL React system automatically recognises immobility, falls and electrical accidents and summons help when the wearer cannot. The range grew to include the ANGEL React Clip System and ANGEL React Shirt System, a T-shirt, an emergency switch, and indoor location technology supported by a Location Beacon for greater positioning accuracy. A Watchdog component was added to cut off voltage sources rapidly. Alongside the hardware, ADRESYS built a service layer around ANGEL React. This includes consulting on indoor positioning, a pre-registration service to simplify commissioning, motivation packages aimed at improving safety culture and long-term usage rates, anonymised user statistics and accident reporting for teams with more than five systems, support for offline scenarios where no reliable mobile or internet connection exists, and customised solutions for the app and the help-coordination portal, such as interfaces to internal alarm systems or user-management portals. The company also offers work clothing and systems tailored to company requirements. ADRESYS frames its mission as revolutionising occupational safety through innovative technology and ensuring the well-being of lone workers, with maximum reliability of its emergency-call systems as a central goal. It also states an intention to revolutionise the smart-textile industry by integrating advanced technology into wearable textiles that meet everyday washing and wearing demands, developing prototypes, testing them and supporting other companies in adopting smart workwear. Its development team is based at the Salzburg innovation location, and the company works under the motto "break the rules…innovate!". Because ADRESYS is a subsidiary of the privately held OMICRON electronics GmbH, it does not have its own stock listing. Its identity in the market is therefore expressed primarily through the ANGEL React product brand and through its role as a development partner for OMICRON's high- and medium-voltage testing portfolio.
ADRESYS operates as a subsidiary of OMICRON electronics GmbH, based in Salzburg, Austria.
Launch of the ANGEL React brand for lone-worker emergency-call systems.
Expansion of the ANGEL React range to include the Clip System and Shirt System.
Introduction of indoor location technology with the Location Beacon for higher positioning accuracy.
Addition of the Watchdog component for rapid voltage source cut-off.
Development of ANGEL React services including indoor-positioning consulting, pre-registration, motivation packages, statistics, offline support and customised app/portal solutions.
Products and positioning
Innovation-driven smart-textile and workplace-safety specialist within the OMICRON group, combining start-up agility with the reach of a global parent; focused on lone-worker safety and high/medium-voltage testing technology.
ANGEL React Clip System
Clip-based emergency-call system that automatically detects immobility, falls and electrical accidents and calls for help.
ANGEL React Shirt System
Smart-textile shirt-based emergency-call system for lone workers.
ANGEL React T-Shirt
Smart-textile T-shirt within the ANGEL React product family.
ANGEL React Notfallschalter (emergency switch)
Emergency switch product within the ANGEL React range.
ANGEL React Innenraumortung (indoor location) with Location Beacon
Indoor positioning solution; the Location Beacon provides higher accuracy for indoor location.
Watchdog
Component that rapidly cuts off voltage sources.
Smart textile components
Smart textile components and processes developed by ADRESYS.
High- and medium-voltage testing products (for OMICRON)
Products for testing in electrical high- and medium-voltage installations, developed in close cooperation with OMICRON electronics.
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