Software Development in
Uzwil

Celsi AG

Since 1983 · 11–20 empl.

The core activity of CELSI AG is the development and implementation of software solutions with a focus on security, particularly in the areas of Smart Grid, Smart Metering and payment solutions. This also includes specific solutions such as ep2 eft/pos, CEPTEST and CelsiGuard. The company offers its customers comprehensive services, from needs analysis to the implementation of software projects, and positions itself as a software partner for companies in the energy sector and other industries that require secure connections and solutions.

ACS Solution AG

Since 1994 · 11–20 empl.·3.7(3)

ACS Solution AG provides process and machine automation services, including requirements analysis, electrical schematics, PLC programming, servo/motion technology, PID control, HMI and process control systems with integrated product traceability and ERP interfaces. The company's services include consulting and concept development, software (PLC, visualization, PCS/MES), hardware planning and cabinet construction, commissioning, testing and ongoing service/support.

ICS Automation AG

Since 2003 · 11–20 empl.·3.7(3)

ICS Automation AG is a system integrator for process and machine automation offering engineering, PLC and HMI software, PCS/MES solutions, hardware engineering and commissioning, as well as testing and 24/7 support. It provides services for traceability, interfaces, retrofits and digital‑twin simulations and serves customers in the food and other industrial sectors.

WG Verlag & Lizenzen AG

Since 1997 · 1–10 empl.·5.0(1)

WG Verlag & Lizenzen AG is a publisher and advertising agency providing graphic design, print, PR and marketing services. Its services include graphic and print production, press work, newsletter distribution, website development, Google search optimization, marketing concepts for print and film, and international licensing of products and brands.

Niederer Engineering GmbH

Since 2017 · 1–10 empl.·3.0(2)

The core activity of Niederer Engineering is the development and maintenance of software solutions, particularly in the field of embedded software engineering, application development, plugin development and database management. In addition, the company also offers services in the areas of project management, system and plant conception, as well as testing.

BIONYS AG

Since 2025 · 1–10 empl.

BIONYS AG develops diagnostic technologies for the detection of pathogens and biomarkers. Its core activity is portable point-of-need testing based on electrochemiluminescence (ECL) and signal amplification for fast and sensitive measurements.

Mentron KLG

Since 2026 · 1–10 empl.

Mentron KLG provides software development, process optimization, and AI solutions for businesses. Its core services include custom IT services, technical consulting, and implementation-focused projects in web development, machine learning, explainable AI, and MLOps. Mentron KLG also develops SymLearning, its own software for symbolic regression and formula discovery.

Camconsult Weber

Since 2011 · 1–10 empl.

Schneider & Stäheli Informatik

Since 2015 · 1–10 empl.