Business Details
Erchenwilerstrasse 2, Freidorf TG, TG
9306, Switzerland
Certified by Koller GmbH • May 24, 2026
+41714551131
Certified by Koller GmbH • May 24, 2026
http://www.koller-spengler.ch
Certified by Koller GmbH • May 24, 2026
About
Certified by Koller GmbH • May 24, 2026
Sanitary facilitiesTinsmithLightning protection equipment
Koller GmbH in Freidorf TG has delivered trusted craftsmanship since 1877 in plumbing, sheet metal work and roofing. As a fifth-generation family business, the company specializes in new builds, renovations, remodeling and maintenance services. From bathroom installations, boiler servicing, water softening and rainwater systems to roofing, façade cladding and lightning protection, Koller combines tradition with modern expertise for durable, high-quality solutions.
Location
Certified by Koller GmbH • May 24, 2026
Hours
Certified by Koller GmbH • May 24, 2026
Monday8:00 AM - 12:00 PM1:00 PM - 5:00 PM
Tuesday8:00 AM - 12:00 PM1:00 PM - 5:00 PM
Wednesday8:00 AM - 12:00 PM1:00 PM - 5:00 PM
Thursday8:00 AM - 12:00 PM1:00 PM - 5:00 PM
Friday8:00 AM - 12:00 PM1:00 PM - 5:00 PM
SaturdayClosed
SundayClosed
Brand Certified Facts from Koller GmbH
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Certified May 24, 2026Yext Knowledge Graph
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