Kather Sanitär Heizung GmbH (Amriswil) delivers plumbing, heating and ventilation services across Switzerland. Since 2003, we support private, commercial and industrial projects—from single-family homes to large-scale builds. We handle planning, installation, upgrades, maintenance and fast troubleshooting. Our services include sanitary installations, bathroom renovations, modern heating systems (heat pumps, oil, gas, wood), underfloor heating, radiators, and ventilation solutions for residential and commercial properties, including heat recovery systems. Expect high-quality materials, efficient processes and personal service.

Prongué & Partner delivers tailored consulting and implementation in software development, data management, testing, and process analysis. We guide businesses from needs assessment through system integration to quality assurance. Our expertise covers the digitalization of business processes, workflow optimization, and the creation of secure, future-proof IT solutions. With an agile, results-driven approach, we deliver sustainable outcomes that increase efficiency, reduce risks, and support growth.