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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,877 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesGamsenJosef Zehnder AG
Josef Zehnder AG Logo
Verified· 3 sources

Josef Zehnder AG

Summary

About the company

The core activity of Josef Zehnder AG is the provision of services in the field of sanitation and heating, including planning, execution and repair of sanitation and heating systems, as well as conversions and renovations of bathrooms.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered3
Plumbing work
Sanitary work for new builds, conversions, repairs and maintenance; bathroom renovations, installation and replacement of sanitary fixtures, pipework, clearing blockages, boiler maintenance and locating water damage.
Heating work
Heating work for new construction, heating replacement and service; installation of heat pumps, pellet and wood heating systems, replacement of oil boilers, floor heating and boiler service.
Conversions and renovations
Conversions and renovations of bathrooms and building services; planning, execution and coordination as a general contractor, including quotations, contracts, schedules and invoicing cost control.
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Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.77
★TrustpilotSoon
PProvenExpertSoon

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Location

Fabrikstrasse 2
3900 Gamsen
Opening hours
Mon
07:30 - 11:45, 13:00 - 17:15
Tue
07:30 - 11:45, 13:00 - 17:15
Wed
07:30 - 11:45, 13:00 - 17:15
Thu
07:30 - 11:45, 13:00 - 17:15
Fri
07:30 - 11:45, 13:00 - 16:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.010.454
Founded
1975 · 51 years
Last commercial register change
May 7, 2012
Employees
1 to 10

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