Environmental engineer in the
Canton of Thurgau

32 companies in Environmental engineer based in the Canton of Thurgau — name and year of registration from the commercial register. The list below shows them all.

Companies

All 32 companies in the Canton of Thurgau

Zurbuchen Bodenschutz GmbH Logo

Zurbuchen Bodenschutz GmbH

Since 2008 · 11–20 empl.4.6(14)

Zurbuchen Bodenschutz GmbH plans and carries out soil protection and land recultivation projects. Its services include soil treatment and remediation, revegetation, and agricultural services; it also operates an organic farm specializing in arable crops and special crops.

FarmComprehensive servicesSoil refinementIn-situ biological soil remediation
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
Ingenias AG Logo

Ingenias AG

Since 1988 · 11–20 empl.5.0(3)

Ingenias AG is an engineering and consulting firm specialising in environmental matters, water and geology. Its services include contaminated-site and building-material investigations, landfill and waste planning, flood protection and river restoration, as well as ground, groundwater and geothermal studies.

Environmental engineerEnvironmental engineeringHydraulic engineering and natural hazardsGeology, geothermal energy and geotechnical site investigation
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #2
Bicon, Gesellschaft für angewandte Umweltwissenschaften AG Logo

Bicon, Gesellschaft für angewandte Umweltwissenschaften AG

Since 1989 · 1–10 empl.

The core activity of BiCon AG is the creation of plans and expert opinions in the environmental field, particularly in the areas of water development and water remediation.

Environmental engineerPlanning and expert reports in environmental sciences
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Kaden und Partner AG Logo

Kaden und Partner AG

Since 1994 · 11–20 empl.

Kaden und Partner AG provides ecological consulting, software development and drone photography. Its ecological services include project support, environmental impact reports, monitoring, and habitat restoration and management; its software work includes web, GIS and mobile applications.

Environmental engineerEcological expert consultingRenaturalisation and biotope maintenanceNature inventories and protection plans
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
HYDRA AG Logo

HYDRA AG

Since 2003 · 11–20 empl.

HYDRA AG conducts research and provides services in freshwater and environmental matters. Its work includes biological water monitoring, fish ecology surveys, river restoration, and planning and construction support for flood protection projects.

Research instituteWaterway assessment and developmentAquatic ecological consulting and expert informationPlanning and construction supervision of revitalisation and flood protection projects
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
CSD Ingenieure AG Logo

CSD Ingenieure AG

Since 2004 · 101–500 empl.

CSD Ingenieure AG is an engineering and consulting company working in the fields of the environment, climate, energy and water, as well as transport and building infrastructure. Its services include geology and geotechnics, contaminated-site remediation, environmental planning, water management and sustainable construction.

Civil engineerGeology / HydrogeologyGeotechnicsGeothermal energy
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
Naturkonzept AG Logo

Naturkonzept AG

Since 2004 · 11–20 empl.

Naturkonzept AG is an engineering and planning firm working in the fields of the environment, forestry and natural hazards. It supports projects from strategy development, assessments and expert reports through planning to practical implementation and monitoring, and provides services including biodiversity, soil, watercourse, forest-planning and hazard-mapping work.

Environmental engineerBiodiversityUVB and UBBSoil and BBB
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
WLS.CH GmbH Logo

WLS.CH GmbH

Since 2007 · 1–10 empl.

WLS.CH GmbH conducts scientific studies and prepares expert assessments in wildlife and wildlife management. Its services include wildlife monitoring, advice on wildlife corridors and road impacts, and technical and bioacoustic solutions.

Research instituteStudies and expert reports on wildlifeWildlife management and monitoringWildlife corridors and quiet zones
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
AllGeol AG Logo

AllGeol AG

Since 2009 · 21–50 empl.

AllGeol AG provides consulting and services in geology and geotechnical engineering, groundwater, contaminated sites and hazardous substances in buildings. Its areas of expertise also include geothermal energy.

Environmental engineerGeology / GeotechnicsContaminated SitesBuilding Contaminants
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
büro widmer ag Logo

büro widmer ag

Since 2010 · 1–10 empl.

büro widmer ag is a consulting engineering and planning firm specializing in transport, the environment and GIS. Its services include transport planning and analysis, environmental impact reports, noise and air-pollutant assessments, and GIS consulting and data analysis.

Civil engineerTransport planning and traffic assessmentsTraffic surveys and mobility analysesRoad safety
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
Monitron AG Logo

Monitron AG

Since 2020 · 11–20 empl.

Monitron AG plans, installs and operates measurement and monitoring systems for water, geotechnics, the environment, natural hazards, buildings and infrastructure. Its services include hydrometric measurements, ground investigations, environmental monitoring, early-warning systems and data management.

Environmental engineerBuildings and InfrastructureWaterGeotechnics
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
SINUS AG Kreuzlingen Logo

SINUS AG Kreuzlingen

Since 2006 · 1–10 empl.5.0(4)

SINUS AG Kreuzlingen specialises in noise and vibration control. The company carries out noise and vibration measurements and prepares expert reports and compliance assessments. Its services also include building acoustics, sound insulation, noise remediation, road-surface acoustic measurements and traffic counts.

Environmental engineerNoise measurements & monitoringExpert reports & documentationNoise remediation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
Baubiologie Gsell GmbH Logo

Baubiologie Gsell GmbH

Since 2022 · 1–10 empl.

Baubiologie Gsell GmbH advises on healthy and sustainable building and prepares building assessments. It investigates physical, biological and chemical influences in buildings, including radon, mould and pollutants, and provides recommendations and construction support.

Environmental engineerBuilding biologyConstruction expert reportsRadon measurements and radon advisory
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #13
bafob GmbH Logo

bafob GmbH

Since 2021 · 11–20 empl.1.0(1)

bafob GmbH provides consulting, investigations and construction management in areas including building, healthy indoor environments, museums and collections, and laboratory analysis. It conducts research on pollutants and offers training and continuing education, including courses on asbestos, building pollutants and mould.

Construction managerPollutant diagnosticsBuilding physics and building damageThermal protection certification and GEAK-plus consulting
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #14
m-sa moos Logo

m-sa moos

Since 2021 · 1–10 empl.3.0(2)

m-sa moos provides expert assessments of building damage and construction defects. Its services include investigations and reports, leak detection, assessment of water and damp damage, mould and fire damage, as well as radon, electromagnetic pollution and indoor air quality measurements.

EngineerLeak detectionBuilding damage and defect reportsRoot cause analysis
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #15
Planium GmbH Logo

Planium GmbH

Since 2008 · 1–10 empl.

Planium GmbH provides services in environmental and landscape planning and landscape architecture. Its work includes project and process coordination, environmental law advice, assessments and environmental impact reports, GIS and CAD services, and planning for water engineering and ecological enhancement projects.

Environmental engineerProcess planning and coordination of environmental projectsSpecialist work in environmental lawCAD/GIS services
No score yet
Knaus GmbH Altlasten Umwelt Logo

Knaus GmbH Altlasten Umwelt

Since 2018 · 1–10 empl.

Knaus GmbH Altlasten Umwelt is a specialist consultancy for contaminated sites and environmental issues. It investigates and supports work involving contaminated sites and shooting ranges, contaminated soil and invasive plants, and provides building checks and pollutant assessments, including for asbestos.

Environmental engineerContaminated sitesShooting rangesContaminated soil / neophytes
No score yet
SC

SRM Consulting J. Stiefel

Since 1994 · 1–10 empl.

Environmental engineer
No score yet
ST

Strahm Tec AG

Since 1999 · 1–10 empl.

Environmental engineer
No score yet
SW

Seven Waves GmbH

Since 2002 · 1–10 empl.

Environmental engineer
No score yet
DA

Dplus AG

Since 2005 · 1–10 empl.

Environmental engineer
No score yet
HA

HOLINGER AG

Since 2008 · 1–10 empl.

Engineer
No score yet
U&

urban & nature GmbH

Since 2012 · 1–10 empl.

Environmental engineer
No score yet
RI

RSU Ingenieure GmbH

Since 2012 · 1–10 empl.

Environmental engineer
No score yet
HA

HS Akustik AG

Since 2012 · 1–10 empl.

Environmental engineer
No score yet
IP

Ingenieurbüro P. Meuwly AG, Zweigniederlassung Kreuzlingen

Since 2012 · 1–10 empl.

Construction manager
No score yet
R-

revag - Reto Valär

Since 2013 · 1–10 empl.

Environmental engineer
No score yet
BA

BährX AG

Since 2018 · 1–10 empl.

Environmental engineer
No score yet
WS

Weis Solutions

Since 2020 · 1–10 empl.

Environmental engineer
No score yet
OG

Oehninger-Tech GmbH

Since 2021 · 1–10 empl.

Environmental engineer
No score yet
RI

Roland Ilg Beratungen

Since 2024 · 1–10 empl.

Environmental engineer
No score yet
NG

Noveon GmbH

Since 2025 · 1–10 empl.

Engineer
No score yet

Environmental engineer in the Canton of Thurgau

32Environmental engineerCommercial register (Zefix) · as of November 15, 2026
2010Median year of registrationCommercial register (Zefix) · as of November 15, 2026
32in the Canton of ThurgauCommercial register (Zefix) · as of November 15, 2026
1,361in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Environmental engineer in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 15, 2026