Environmental engineer in the
Canton of St. Gallen

60 companies in Environmental engineer based in the Canton of St. Gallen — name and year of registration from the commercial register.

Companies

50 of 60 companies

Florauna GmbH Logo

Florauna GmbH

Since 1995 · 11–20 empl.5.0(7)

Florauna GmbH provides consulting and services in nature and landscape management. The company plans and supports ecological enhancement projects and works in areas including the environment and construction, agriculture, flora and fauna, vegetation, and environmental education.

Environmental engineerHabitat advisoryEcological enhancementsLandscape and habitat projects
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
InnovaMesstechnik GmbH Logo

InnovaMesstechnik GmbH

Since 2003 · 1–10 empl.4.8(21)

InnovaMesstechnik GmbH measures electromagnetic fields and geological interference zones in homes, workplaces and agricultural buildings. Its services also include indoor climate and EMF assessments, interference-zone analyses, and written reports with recommendations.

Environmental engineerElectrosmog MeasurementIndoor Climate MeasurementDisturbance Zone Analysis
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #2
Ingenias AG Logo

Ingenias AG

Since 1997 · 11–20 empl.5.0(3)

Ingenias AG is an engineering and consultancy firm working in environmental engineering, water and geology. Its services include the investigation and remediation of contaminated sites, building pollutants, landfill and waste management, water engineering and flood protection, as well as geology, ground investigations and geothermal energy.

Civil engineerEnvironmental engineeringHydraulic engineering and natural hazardsGeology, geothermal energy and ground investigation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Grundbauberatung AG Logo

Grundbauberatung AG

Since 1965 · 11–20 empl.

Grundbauberatung AG is a consultancy specialising in geology, geotechnical engineering and environmental sciences. Its services include ground investigations, hydrogeological and geothermal assessments, contaminated-site and building-material surveys, risk analyses, monitoring and environmental engineering.

Environmental engineerGeotechnicsGeologyHydrogeology / Hydrology
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Huber & Partner Wattwil AG Logo

Huber & Partner Wattwil AG

Since 1977 · 1–10 empl.

Huber & Partner Wattwil AG provides services in energy, buildings, the environment, transport infrastructure and water. Its activities include project and cost management for buildings, as well as planning and consulting for water supply, wastewater treatment, waterways and flood management.

Management consultantEngineering services for buildingsEnvironmental planning and environmental managementEngineering services in the water sector
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Wagner Umweltschutz AG Logo

Wagner Umweltschutz AG

Since 1978 · 1–10 empl.

Wagner Umweltschutz AG develops and supplies equipment for oil and chemical spill response and for soil and groundwater remediation. Its products include oil containment booms, oil collectors, skimmers, pumps and wastewater pretreatment systems; the company also provides services to treat contaminants in water and soil.

Environmental engineerOil boomsOil collectorDebris booms
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
PML Ingenieurbüro AG Logo

PML Ingenieurbüro AG

Since 1987 · 1–10 empl.

PML Ingenieurbüro AG is an engineering consultancy specialising in noise control, acoustics and environmental issues. Its services include noise assessments and forecasts, sound insulation planning, and support for clients and public authorities on construction and environmental matters.

Environmental engineerNoise protectionBuilding acoustics / sound insulation in building constructionRoom acoustics
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Tuffli & Partner AG Logo

Tuffli & Partner AG

Since 1989 · 21–50 empl.

Tuffli & Partner AG is an engineering consultancy that supports projects from concept development and planning through construction and maintenance. Its areas of work include transport infrastructure, utilities and waste management, environmental matters, noise and acoustics, safety, and client support and project management.

Civil engineerTransport infrastructureUtilities and waste managementStructural civil engineering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
Meyer & Schaltegger AG Logo

Meyer & Schaltegger AG

Since 1991 · 1–10 empl.

Meyer & Schaltegger AG is a consulting engineering firm specialising in noise control and acoustics. Its services include noise assessments and forecasts, planning noise remediation, noise and sound measurements, building and room acoustics studies, and computer modelling of sound propagation.

Environmental engineerNoise burden cadastre and EIANoise forecasts and planning of remediation measuresRoom and building acoustics
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
Scherrer Ingenieurbüro AG Logo

Scherrer Ingenieurbüro AG

Since 1994 · 1–10 empl.

Scherrer Ingenieurbüro AG is an engineering consultancy specialising in remote sensing, photogrammetry and geographic information systems. Its services include forest inventories and planning, nature conservation and agricultural projects, consulting, and engineering for access, water supply and natural hazard projects.

Environmental engineerRemote Sensing / PhotogrammetryForest Inventories / Forestry PlanningNature Conservation / Agriculture
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
FUB - Forschungsstelle für Umweltbeobachtung AG Logo

FUB - Forschungsstelle für Umweltbeobachtung AG

Since 1997 · 11–20 empl.

FUB - Forschungsstelle für Umweltbeobachtung AG provides services in environmental analysis, particulate matter measurement, and bryology and ecology. Its work includes developing measurement concepts and carrying out sampling, analysis, monitoring, and evaluation.

Research instituteEnvironmental analyticsParticlesMosses and ecology
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
Renat GmbH Büro für Räumliche Entwicklung und Natur Logo

Renat GmbH Büro für Räumliche Entwicklung und Natur

Since 1998 · 1–10 empl.

Renat GmbH Büro für Räumliche Entwicklung und Natur is an office for spatial development and nature. The website currently provides no further details about its services or areas of activity.

Environmental engineerSpatial planning and natural space planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
Niederer + Pozzi Umwelt AG Logo

Niederer + Pozzi Umwelt AG

Since 2002 · 11–20 empl.

Niederer + Pozzi Umwelt AG provides engineering services in river engineering and flood protection, natural hazards and risk management, river restoration, environmental engineering, water use and hydrology. Its services include planning, project management, construction supervision and consulting, as well as expert assessments, reports, studies and modelling.

Civil engineerRiver engineering and flood protectionNatural hazards and risk managementRevitalisation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
CSD Ingenieure AG Logo

CSD Ingenieure AG

Since 2004 · 101–500 empl.

CSD Ingenieure AG is an engineering company that plans and supports projects in environmental engineering, geology and hydrogeology, geotechnics, energy, water and infrastructure. Its services include the investigation and remediation of contaminated sites, sustainable construction, and consulting and planning for buildings and transport infrastructure.

Civil engineerEnvironmental and engineering consultingContaminated site and pollutant remediationGeology and geotechnics
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
Dr. Paul Raschle Logo

Dr. Paul Raschle

Since 2006 · 1–10 empl.

Dr. Paul Raschle provides microbiological and biological consulting, expert assessments and damage investigations for construction, the conservation of cultural property and material protection. Areas of work include mould, wood pests, algae on façades and biological material deterioration.

Environmental engineerMicrobiological consultingTraining and expert guidance
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
IMPERGEOLOGIE AG Logo

IMPERGEOLOGIE AG

Since 2007 · 1–10 empl.

IMPERGEOLOGIE AG provides advice on geological, hydrogeological, soil science and environmental matters. Its services include natural hazard assessment, mineral resource exploration and extraction, environmental impact assessments, water use and protection, soil protection, contaminated sites, public outreach and project management.

Environmental engineerNatural hazardsWater useWater protection
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
IEP Ingenieure AG Logo

IEP Ingenieure AG

Since 2008 · 1–10 empl.

IEP Ingenieure AG provides consulting and engineering services in acoustics, building physics, heating, cooling and ventilation, environmental matters, and fire protection. It develops integrated building concepts and incorporates them into project planning.

Building services engineerAcousticsBuilding physicsHeating, cooling and air engineering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
Steidle Consulting GmbH Logo

Steidle Consulting GmbH

Since 2016 · 11–20 empl.

Steidle Consulting GmbH is an environmental consultancy advising on contamination, contaminated sites, waste, groundwater, surface water and wastewater. Its services include assessments and expert reports, sampling, field measurements and monitoring, as well as support for investigations and remediation work.

Environmental engineerConsulting & servicesWaste, impacts, contaminated sitesGroundwater, surface water, wastewater
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #18
Linknatur GmbH Logo

Linknatur GmbH

Since 2016 · 1–10 empl.

Linknatur GmbH is a nature and biodiversity consultancy that prepares ecological assessments and plans and supports projects to enhance nature and landscapes. Its work includes species and habitat surveys, biodiversity advice, invasive species and bird migration monitoring, environmental impact assessments and environmental education.

Environmental engineerEnvironmental PlanningPopulation SurveysAdvisory Services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #19
BTG Büro für Technische Geologie AG Logo

BTG Büro für Technische Geologie AG

Since 2022 · 11–20 empl.

BTG Büro für Technische Geologie AG is a geotechnical consultancy specializing in engineering geology, hydrogeology, geotechnics, contaminated sites and natural hazards. Its areas of work also include underground construction, water and energy, mineral resources and modelling.

Environmental engineerGeology / GeotechnicsNatural hazardsWater / Energy
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #20
Hunziker Betatech AG Logo

Hunziker Betatech AG

Since 2023 · 101–500 empl.

Hunziker Betatech AG is an engineering company providing services in water, construction and the environment. Its work includes planning and consultancy for wastewater and water supply, waterways, civil and structural engineering, energy, building services, and BIM and digital applications.

Civil engineerWater supplyWastewater disposal and treatmentCivil engineering services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #21
falun GmbH Logo

falun GmbH

Since 2022 · 11–20 empl.

falun GmbH is a specialist advisory service for agriculture, the environment and nature. It advises farms on biodiversity and supports farms and municipalities with administrative services, assessments, concepts, and project planning and implementation.

Agricultural servicesBiodiversity consultingMunicipal agricultural secretariatLandscape quality project support
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #22
Nachhaltiges Bauen Burmeister (NBB) Logo

Nachhaltiges Bauen Burmeister (NBB)

Since 2018 · 1–10 empl.

Nachhaltiges Bauen Burmeister (NBB) provides energy consulting for buildings as well as measurement and analysis services for the construction sector. Its services include energy certificates, building modernisation concepts, thermal bridge calculations, Blower Door tests, pollutant analysis and mould advice.

Environmental engineerEnergy consultingMeasurement technologyHazardous substance consulting
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #23
Company200 Matthias Denk Logo

Company200 Matthias Denk

Since 2019 · 1–10 empl.

Company200 Matthias Denk provides engineering services in natural hazards, water and the environment. Its work includes planning and project supervision, flood and property protection, ecological restoration, consulting, and research and development of technical solutions.

Civil engineerEngineering servicesResearch and developmentTechnical translations
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #24
Dr. Bernasconi AG Logo

Dr. Bernasconi AG

Since 2008 · 11–20 empl.5.0(2)

Dr. Bernasconi AG is a consultancy in geology and hydrogeology. It investigates ground conditions and groundwater, and provides geotechnical studies, groundwater protection, geothermal planning, and advice on natural hazards and contaminated sites.

Environmental engineerHydrogeological and geological consultingSubsoil investigations and ground modelsSubsurface probing
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #25
dBAkustik GmbH Logo

dBAkustik GmbH

Since 2011 · 1–10 empl.5.0(1)

dBAkustik GmbH is an independent planning and consulting firm specialising in environmental and building acoustics. It conducts noise measurements and calculations, prepares noise and sound insulation assessments and expert reports, and advises on noise protection measures and noise-related legal matters.

Environmental engineerNoise protectionSound insulationBuilding acoustics
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #26
Raumverstand GmbH Logo

Raumverstand GmbH

Since 2018 · 1–10 empl.5.0(2)

Raumverstand GmbH provides building biology consultancy and assessments for homes and other indoor spaces. Its services include measurements of pollutants, radon, electromagnetic fields and indoor climate, with analysis and recommendations, as well as advice on building materials and room design.

Environmental engineerBuilding biology consulting and living space assessmentContaminant measurement and analysisRadon measurement
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #27
Stephan Bischof GmbH Logo

Stephan Bischof GmbH

Since 2022 · 1–10 empl.

Stephan Bischof GmbH provides advice on building contaminants, including their identification, remediation and site monitoring, as well as asbestos remediation and mould removal. Its services also include technical advice on surface sealing and coaching for managers in the construction industry.

CoachIndoor pollutant consultingExecutive coachingNano products & surface sealing
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #28
babb. GmbH Logo

babb. GmbH

Since 2020 · 1–10 empl.5.0(1)

babb. GmbH provides architectural services for new buildings, renovations and conversions, including projects involving heritage conservation. It investigates buildings for asbestos, PCBs, PAHs and heavy metals, and supports the planning and supervision of contaminant-removal work.

ArchitectArchitectureBuilding contaminants
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #29
clar AG Logo

clar AG

Since 2021 · 1–10 empl.5.0(1)

clar AG provides building assessments to identify hazardous construction materials such as asbestos, PCBs and PAHs, and investigates pollutants and mould in indoor environments. Its services also include ventilation system checks and maintenance, as well as advice on measures to address identified hazards.

Environmental engineerBuilding contaminant screeningVentilation hygieneSick building analysis
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #30
Fuchs Ökoberatung GmbH Logo

Fuchs Ökoberatung GmbH

Since 2023 · 1–10 empl.5.0(1)

Fuchs Ökoberatung GmbH provides consulting and project services in forestry, environmental management and landscape care. Its services include planning and construction supervision, tree-care concepts, success monitoring, invasive plant control, and ecological enhancement and species conservation.

Environmental engineerAdvisory, planning and construction supportTree care concepts and tree monitoringProject management for nature and environment
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #31
Elias Bamert e.U. Logo

Elias Bamert e.U.

Since 2025 · 1–10 empl.

Elias Bamert e.U. provides talks, guided excursions and training on biodiversity, ecology and environmental topics. Its services also include ecological consultancy, species monitoring, and photography and videography for scientific projects.

Environmental engineerLecturesField trip leadershipOffers for schools
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #32
ecoboss - Ökologische Beratung Daniel Bosshard Logo

ecoboss - Ökologische Beratung Daniel Bosshard

Since 2025 · 1–10 empl.

ecoboss - Ökologische Beratung Daniel Bosshard is an ecological consultancy specialising in nature, landscapes and biodiversity. Its services include conservation regulations, habitat mapping, management and species-conservation plans, urban biodiversity planning, environmental education and project management.

Environmental engineerEcological ConsultingProtection Ordinances and InventoriesHabitat Mapping and Inventories
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #33
Livadi - André Matjaz Logo

Livadi - André Matjaz

Since 2025 · 1–10 empl.

Livadi - André Matjaz is a business with contact details in Degersheim. The website lists the company name, address, telephone number and email contact.

Environmental engineer
ranQ Trust Score 3.5 out of 5.0, rated Solid, Rank #34
Löhrer Baudiagnostik GmbH Logo

Löhrer Baudiagnostik GmbH

Since 2026 · 1–10 empl.

Löhrer Baudiagnostik GmbH investigates buildings for contaminants such as asbestos, PAHs, PCBs and heavy metals. It takes samples for laboratory analysis and provides specialist site supervision for remediation, along with advice and disposal concepts.

Environmental engineerHazardous Materials AnalysisSpecialist Site Management for Pollutant RemediationDisposal of Contaminated Materials
ranQ Trust Score 3.4 out of 5.0, rated Solid, Rank #35
naturflug GmbH Logo

naturflug GmbH

Since 2026 · 1–10 empl.

naturflug GmbH provides services in field ornithology and dragonfly studies. Its work includes species surveys, bird assessments for wind energy projects, advice and conservation measures for building-nesting birds, as well as guided excursions and identification courses.

Environmental engineerSurveysField trips & courses
ranQ Trust Score 3.4 out of 5.0, rated Solid, Rank #36
waldoekologiekuster gmbh Logo

waldoekologiekuster gmbh

Since 2009 · 1–10 empl.

waldoekologiekuster gmbh works in forestry and ecology. Its activities include planning and construction management, carrying out projects, and providing courses and training.

ForesterPlanning and advisory services for forestry and ecologyExecution of forestry and ecology workTraining and continuing education for forestry and ecology
No score yet
Beluma GmbH Logo

Beluma GmbH

Since 2016 · 1–10 empl.

The core activity of Beluma GmbH is the implementation of asbestos air measurements, in particular the measurement of the content of respirable asbestos fibers in indoor air, in accordance with VDI guideline 3492.

Environmental engineerAsbestos air measurements
No score yet
TA

Tergeso AG

Since 1988 · 1–10 empl.

Environmental engineer
No score yet
GA

Geotest AG

Since 1989 · 1–10 empl.

Environmental engineer
No score yet
BC

B3 Conterlärm GmbH

Since 1996 · 1–10 empl.

Environmental engineer
No score yet
ÖH

Ökobüro Hugentobler AG

Since 1999 · 1–10 empl.

Environmental engineer
No score yet
S&

Sutter & Partner

Since 1999 · 1–10 empl.

Environmental engineer
No score yet
DL

D.O. Ljungberg & Co.

Since 2001 · 1–10 empl.

Environmental engineer
No score yet
EG

Ecotrans GmbH

Since 2002 · 1–10 empl.

Environmental engineer
No score yet
SD

Stoffwechsel-Zentrum Dr. Stoffel GmbH

Since 2002 · 1–10 empl.

Environmental engineer
No score yet
EN

ecolife nagy

Since 2004 · 1–10 empl.

Environmental engineer
No score yet
AH

A. Heuberger / Engineering

Since 2004 · 1–10 empl.

Occupational safety
No score yet
UA

Umweltlink AG

Since 2011 · 1–10 empl.

Environmental engineer
No score yet
WK

Werner Keller Ingenieurbüro

Since 2012 · 1–10 empl.

Engineer
No score yet

Environmental engineer in the Canton of St. Gallen

60Environmental engineerCommercial register (Zefix) · as of November 15, 2026
2011Median year of registrationCommercial register (Zefix) · as of November 15, 2026
60in the Canton of St. GallenCommercial 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

Largest places

St. Gallen16