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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,806 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringWallisellenewah AG
ewah AG Logo
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ewah AG

Summary

About the company

The core activity of ewah AG is consulting and supporting customers in the areas of water hygiene, air hygiene, environmental hygiene and construction consulting. The company offers comprehensive services to support customers in securing health and sustainability, including the analysis of existing systems, the identification of risks and the development of individual solutions.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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Water hygiene
Independent advisory for water hygiene, prevention and remediation of problem cases; drinking-water hygiene, swimming-pool water hygiene, cooling towers and water-installation inspections.
Construction consulting
Hygiene consulting and site supervision for new builds, renovations and existing buildings; hygiene concepts, client representation, project management, quality assurance, standards review and expert reports.
Air hygiene
Advisory on the hygienic inspection of HVAC systems; optimisation of performance, identification of deviations, support with accredited laboratories and root-cause analysis for malfunctions.
Environmental hygiene
Hygiene management, audits, inspections and expert reports for infection prevention, process, operational and construction hygiene, hygiene for installations and machinery, and hygiene training.

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Location

Richtistrasse 2
8304 Wallisellen
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-207.107.060
Founded
2024 · 2 years
Last commercial register change
November 28, 2024
Employees
11 to 20

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