Environmental engineer in
Dübendorf

GSAS AG

Since 2005 · 11–20 empl.·4.9(13)

GSAS AG provides investigations and analysis of hazardous substances in buildings and materials. Its services include sampling and measurements, particularly for asbestos, hazardous-material diagnostics, and consulting and measurement support during remediation.

Entracers GmbH

Since 2020 · 1–10 empl.

Entracers GmbH provides consulting on and implementation of gas monitoring and screening strategies in environmental and engineered systems. Its services include field gas sampling, measurements and laboratory analyses, as well as rental of portable miniRUEDI mass spectrometers and sampling equipment.

upwater AG

Since 2022 · 1–10 empl.

upwater AG develops measurement technology and provides analyses and consulting for wastewater treatment plants. Its services include off-gas monitoring, DNA analysis of microbial processes, and optimization consulting on emissions, energy use and process stability.

GSA Becker AG

Since 2010 · 11–20 empl.·4.5(8)

GSA Becker AG investigates hazardous substances in buildings and provides contaminant measurement and contract analysis services. Its work includes collecting and analysing material samples, measuring airborne asbestos fibres, advising on contamination risks and monitoring remediation work.

Michael Wichser + Partner AG Dübendorf

Since 2006 · 1–10 empl.·3.7(6)

Michael Wichser + Partner AG Dübendorf provides services in acoustics and building physics. Its work includes noise control, building and room acoustics, building-physics advice and measurements, and energy concepts for new buildings and renovations.

SK Umwelt GmbH

Since 2021 · 1–10 empl.

SK Umwelt GmbH provides investigations, consulting and project support in contaminated sites, soil and environmental matters. Its services include site assessments and remediation support, soil protection for construction projects, measures to manage invasive non-native plants, environmental reports and construction environmental monitoring.

AquaTerra, D.Winter

Since 2017 · 1–10 empl.

AquaTerra Claude Meier

Since 2018 · 1–10 empl.

AquaTerra GmbH

Since 2024 · 1–10 empl.

Peter Bach EdenCT

Since 2024 · 1–10 empl.