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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,806 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesWil SgHosch AG
Hosch AG Logo
Verified· 3 sources

Hosch AG

Summary

About the company

The core activity of HOSCH AG is water treatment, particularly the development and distribution of systems and plants for the decalcification, softening and purification of drinking water, as well as protection against corrosion and legionella.

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Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Water softening
Water softeners for single-family homes, multi-family homes, commercial and industrial applications; household systems, small systems, cartridge solutions and special water softeners without an electrical connection.
Corrosion protection
Corrosion protection in drinking water and heating systems; mineral inhibitor systems against rust water, leaks and pipe bursts, including central installation and a service subscription.
Drinking water hygiene
Protection against legionella and germs as well as disinfection of drinking water installations for hygienic water systems.
Service and maintenance
Mobile service for maintenance work, upkeep and advice; deployment via service locations, with support through the sanitary specialist trade.
Gloss rinse systems
Gloss rinse systems for spot-free vehicle cleaning, window surfaces and winter gardens; simple, fast and cost-effective application.
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Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle510
★TrustpilotSoon
PProvenExpertSoon

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Location

Hubstrasse 56
9500 Wil Sg
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.813.117
Founded
1975 · 51 years
Last commercial register change
June 6, 2017
Employees
11 to 20

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