Environmental engineer in the
Canton of Fribourg

54 companies in Environmental engineer based in the Canton of Fribourg — name and year of registration from the commercial register.

Companies

50 of 54 companies

Ecosens Romandie SA Logo

Ecosens Romandie SA

Since 2013 · 11–20 empl.4.2(17)

Ecosens Romandie SA provides environmental consulting in contaminated sites and geology, buildings and indoor air, environmental planning, and environmental law and compliance. Its services include assessments of soil and building pollutants, environmental impact studies, audits, and environmental research.

Environmental engineerContaminated sitesSoil investigationsGroundwater
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
RWB Fribourg SA Logo

RWB Fribourg SA

Since 1997 · 21–50 empl.5.0(3)

RWB Fribourg SA is an engineering consultancy working in civil engineering, building and infrastructure construction, and spatial planning. Its fields of activity also include water management, hydrology and hydraulics, contaminated sites, environmental management and energy.

Civil engineerCivil engineeringWaterSpatial planning
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #2
Fondation Emergence Logo

Fondation Emergence

Since 2001 · 1–10 empl.4.8(4)

Fondation Emergence offers training and seminars in geobiology, as well as geobiological consultations and assessments for residential and work spaces. The foundation also makes a room available for events and training sessions.

Environmental engineerGeobiology trainingExpertise and advice in geobiologyRoom rental
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #3
Geosud SA Logo

Geosud SA

Since 2000 · 51–100 empl.4.8(4)

Geosud SA is an engineering and surveying firm specialising in geomatics and territorial planning. Its services include land surveying, civil and rural engineering, environmental and forestry work, and geographic information systems.

Civil engineerLand managementConstruction surveyingTechnical surveying
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
ABA-GEOL SA Logo

ABA-GEOL SA

Since 1985 · 11–20 empl.

ABA-GEOL SA is a consultancy specialising in geology, hydrogeology, geotechnical engineering and environmental services. Its work includes geological and geotechnical studies, natural hazard assessments, contaminated-site investigations and support for building decontamination projects.

Environmental engineerGeotechnical studiesHydrogeological studiesNatural hazard studies and maps
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Triform S.A. Logo

Triform S.A.

Since 1991 · 11–20 empl.

Triform S.A. is an engineering consultancy specialising in water management and related environmental issues. It plans and supports projects in wastewater treatment, surface waters and urban water management, including flood protection and stormwater management.

Environmental engineerWastewater treatmentUrban hydraulicsSurface waters
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
CSD Ingénieurs SA Logo

CSD Ingénieurs SA

Since 1992 · 101–500 empl.

CSD Ingénieurs SA is an engineering consultancy providing advice, planning and engineering services in the fields of environment, climate, energy and water. Its activities also cover transport infrastructure, buildings, geology, natural hazards, waste management and contaminated-site remediation.

Civil engineerPotable water, from the resource to the networksCivil engineering, special works, public worksEnvironment, noise, impact studies, GIS
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Müller & Perrottet SA Logo

Müller & Perrottet SA

Since 1995 · 1–10 empl.

Müller & Perrottet SA is an engineering consultancy specialising in environmental matters.

Environmental engineerEngineering Office for Environmental Matters
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
TeXoL Sàrl Logo

TeXoL Sàrl

Since 2001 · 1–10 empl.

TeXoL Sàrl is a consultancy and engineering firm specialising in geotechnics, hydrogeology, geothermal energy and environmental matters. It investigates and assesses building sites, explores natural resources, plans nature-based urban spaces and rainwater management, and plans and carries out building projects and heat-pump systems.

Building services engineerConstruction site safety of terrainNatural resource explorationUrbanature facilities and rainwater management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
HydroSol Sàrl Logo

HydroSol Sàrl

Since 2005 · 1–10 empl.

HydroSol Sàrl is an engineering consultancy working in geology, hydrogeology, geotechnics and environmental services. Its work includes studies, project planning, consulting, expert assessments and measurements relating to water resources, natural hazards, geothermal energy and contaminated sites, including remediation.

Environmental engineerStudies, projects, consulting, expertise and measurementsContaminated sites and environmentApplied geology
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
Jacques Studer ÖkoBüro Logo

Jacques Studer ÖkoBüro

Since 2008 · 1–10 empl.

Jacques Studer ÖkoBüro is an ecological consultancy working in environmental education, advice and planning for nature and biodiversity conservation. Its activities include courses and excursions, environmental impact assessments, habitat inventories, and the creation and management of biotopes and nature reserves.

Environmental engineerEnvironmental education / coursesEcological planning and advisoryEnvironmental impact assessments
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
Nucfilm GmbH Logo

Nucfilm GmbH

Since 2009 · 1–10 empl.

Nucfilm GmbH provides consulting and products for environmental monitoring. It develops analytical methods, mainly for studying natural radioactivity, and supplies Nucfilm discs for sample preparation in alpha spectrometry.

Environmental engineerConsulting and products for environmental monitoringNucfilmDiscs for alpha spectrometryAerial radiometry
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
EcoLogis Suisse SA Logo

EcoLogis Suisse SA

Since 2011 · 1–10 empl.

EcoLogis Suisse SA specialises in identifying pollutants in buildings. It diagnoses substances including asbestos, lead, PCBs, PAHs and HBCD, and supports and oversees remediation work.

Environmental engineerBuilding pollutant diagnosticsPollutant remediationSite supervision for remediation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
Hydrolina Sàrl Logo

Hydrolina Sàrl

Since 2011 · 1–10 empl.

Hydrolina Sàrl provides services in geology, geotechnics, hydrogeology and environmental matters, including contaminated sites and wastewater disposal. Its work includes consulting and project support, soil monitoring and irrigation management, with probes that measure soil moisture, salinity and temperature.

Environmental engineerGeology and GeotechnicsDrinking water and hydrogeologyEnvironment and contaminated sites
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
Particle Vision GmbH Logo

Particle Vision GmbH

Since 2011 · 1–10 empl.

Particle Vision GmbH provides chemical and physical analysis of particles and materials, as well as environmental monitoring services. Using automated morpho-chemical analysis and machine learning, it identifies the composition and sources of particulate pollution and characterizes material surfaces, filters, dust and powders.

Testing and inspection bodyEnvironmental monitoringIdentification of PM pollution sourcesMaterial analysis
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
Natura Consultus GmbH Logo

Natura Consultus GmbH

Since 2015 · 1–10 empl.

Natura Consultus GmbH is an applied ecology consultancy working in agroecology, nature conservation, species conservation, surveys and environmental education. It advises on natural habitats, prepares nature, landscape and environmental inventories, and manages protected areas and ecological network projects.

Environmental engineerApplied Ecology OfficeNetworking ProjectsNature Reserves
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
CSD Ingénieurs SA Logo

CSD Ingénieurs SA

Since 2019 · 101–500 empl.

CSD Ingénieurs SA is an engineering company working in the fields of the environment, climate, energy, water, transport and construction. Its services include planning and consultancy, geology and geotechnics, contaminated-site remediation, infrastructure projects and sustainable construction.

Civil engineerEnvironmental engineeringGeology and geotechnicsPotable water and water management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
Gruner Stucky SA Logo

Gruner Stucky SA

Since 2020 · 101–500 empl.

Gruner Stucky SA is an engineering and planning firm working in buildings, infrastructure and energy. It advises private and public clients and supports projects from strategic planning through implementation and operation.

Building services engineerGeotechnical engineeringBuilding technology and building HVAC engineeringFire protection and building physics
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #18
CSD Group SA Logo

CSD Group SA

Since 2022 · 11–20 empl.

CSD Group SA is an engineering group providing consultancy, planning and engineering services in the fields of the environment, climate, energy, water, transport and construction. Its activities include environmental studies, geology and geotechnics, infrastructure planning, renewable energy, waste management and the remediation of contaminated sites.

Civil engineerConsulting and PlanningClient Support and Overall Construction ManagementGeology and Geotechnics
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #19
Aquabios Sàrl Logo

Aquabios Sàrl

Since 2012 · 1–10 empl.

Environmental engineer
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #20
Atelier 11a - Jérôme Gremaud biologiste Logo

Atelier 11a - Jérôme Gremaud biologiste

Since 2020 · 1–10 empl.

Atelier 11a - Jérôme Gremaud biologiste is the practice of biologist Jérôme Gremaud in applied ecology.

Environmental engineerApplied ecology
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #21
TRIFORM EA SA Logo

TRIFORM EA SA

Since 2024 · 11–20 empl.

TRIFORM EA SA is an engineering consultancy specialising in environmental matters and acoustics. It works in a close partnership with the Triform SA engineering consultancy.

Environmental engineerWastewater treatmentUrban hydraulicsSurface waters
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #22
ATENA atelier nature Sàrl Logo

ATENA atelier nature Sàrl

Since 2019 · 1–10 empl.

The core activity of atena atelier nature sàrl encompasses the survey, management and protection of natural habitats, particularly in the fields of botany, agronomy and landscape planning. This also includes the development, implementation and communication of projects in the areas of nature conservation, landscape planning and agriculture. Additional activities include conducting botanical excursions, creating exhibitions, translating texts and educational work in the form of nature trails and other educational projects.

Environmental engineer
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #23
RWB Fribourg SA, succursale de Marly Logo

RWB Fribourg SA, succursale de Marly

Since 2018 · 11–20 empl.5.0(3)

RWB Fribourg SA, succursale de Marly is a branch of the RWB engineering company. Its activities cover spatial planning, water, energy, the environment, geology, geotechnics, metrology, civil engineering and information systems.

Civil engineerCivil engineeringSpatial planningWater
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #24
Fridésam SA Logo

Fridésam SA

Since 2014 · 1–10 empl.4.3(3)

Fridésam SA specialises in asbestos removal and decontamination. Its work includes removing asbestos, lead, PCBs and PAHs from buildings, with safety measures and follow-up checks after the work.

Environmental engineerAsbestos abatementDecontamination
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #25
pbplan ag Logo

pbplan ag

Since 1990 · 11–20 empl.4.5(2)

pbplan ag is an independent planning and engineering firm working in civil engineering and structural design, environmental services, geoinformatics, forestry, spatial development and mobility, and water management. Its work includes infrastructure projects, environmental reports, forestry planning, and water-management studies.

Civil engineerCivil infrastructure and structural designNatural hazards and renaturationSpatial development and mobility
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #26
Géolina SA Logo

Géolina SA

Since 1988 · 1–10 empl.5.0(2)

Géolina SA is a consultancy and services firm working in geology, geotechnics, hydrogeology and environmental studies. Its work includes ground investigations, natural hazard assessments, groundwater and construction-related advice, and building surveys for asbestos and other hazardous substances.

Environmental engineerGeotechnicsHydrogeologyGeology
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #27
HSE Conseils SA, succursale du canton de Fribourg Logo

HSE Conseils SA, succursale du canton de Fribourg

Since 2019 · 1–10 empl.5.0(1)

HSE Conseils SA, succursale du canton de Fribourg is a branch of a construction and environmental consultancy. Its services include building-pollutant assessments, site monitoring and laboratory analysis, as well as environmental management, occupational safety and training.

Occupational safetyConstruction pollutantsWaste managementConstruction water management
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #28
AB14 Sàrl Logo

AB14 Sàrl

Since 2014 · 1–10 empl.4.3(4)

AB14 Sàrl is a consultancy specialising in building physics and environmental studies. Its services include building acoustics and noise assessments, asbestos and other hazardous-substance diagnostics, thermal assessments and building energy certificates.

Environmental engineerBuilding acousticsNoise studyAsbestos and other hazardous substances diagnostics
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #29
ab ingénieurs sa Logo

ab ingénieurs sa

Since 2020 · 1–10 empl.4.1(8)

ab ingénieurs sa is a civil engineering consultancy. Its activities include structural engineering for buildings and civil structures, civil engineering and infrastructure, geotechnical engineering and specialist construction works, as well as environmental services and sustainable construction.

Civil engineerCivil engineering and infrastructureBuildings and civil engineering worksGeotechnics and special works
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #30
Prona Romandie SA Logo

Prona Romandie SA

Since 2022 · 1–10 empl.5.0(1)

Prona Romandie SA is an engineering and consulting firm working in environmental and personal protection and occupational safety. Its services include acoustics, building physics, water management, nature and landscape, contaminated sites, and building pollutants.

Occupational safetyEnvironmental impact studies and environmental monitoring of construction sitesEnvironmental consultingWater management and protection
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #31
AJdetect Sàrl Logo

AJdetect Sàrl

Since 2025 · 1–10 empl.

AJdetect Sàrl provides diagnostics for building pollutants, including asbestos, PCBs, PAHs and heavy metals. Its services include identifying suspect materials, arranging laboratory analyses and preparing reports, as well as measuring airborne asbestos fibres after remediation work.

Environmental engineerAsbestos and pollutant diagnosticsAir measurements according to VDI standard
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #32
Manuel Tâche Logo

Manuel Tâche

Since 2022 · 1–10 empl.5.0(1)

Manuel Tâche provides diagnostics for asbestos and other building pollutants, including PCBs, PAHs and heavy metals. Services include building inspections and sampling before renovation, conversion or demolition, as well as reports and air-quality checks after asbestos removal.

Environmental engineerAsbestos diagnostics before workAir quality control after asbestos removal
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #33
Wasserwerkstatt AG Logo

Wasserwerkstatt AG

Since 2025 · 1–10 empl.

Wasserwerkstatt AG is a consultancy specialising in applied hydrogeology and water-related issues. It investigates and assesses groundwater and spring-water resources, supports their development and protection, and assists water-related projects through mediation and participatory processes.

MediatorApplied hydrogeologySolution workshop
No score yet
GA

Geotest AG

Since 1992 · 1–10 empl.

Environmental engineer
No score yet
PC

Pronat Conseils SA

Since 1993 · 1–10 empl.

Environmental engineer
No score yet
BC

biol conseils sa, succursale de Fribourg

Since 1993 · 1–10 empl.

Environmental engineer
No score yet
BA

Büro A. Fröhlich Altlasten- und Umweltberatung

Since 2000 · 1–10 empl.

Environmental engineer
No score yet
IH

Info Habitat GmbH

Since 2001 · 1–10 empl.

Environmental engineer
No score yet
D-

DECHETS - DATA, Marcel Aebischer

Since 2006 · 1–10 empl.

Environmental engineer
No score yet
CM

Cantin Mikaël

Since 2006 · 1–10 empl.

Environmental engineer
No score yet
SG

Sirkom GmbH

Since 2008 · 1–10 empl.

Environmental engineer
No score yet
MI

Maric Ingénieurs et Géologues SA, succursale de Châtel-Saint-Denis

Since 2011 · 1–10 empl.

Environmental engineer
No score yet
5E

5P2P Expertises Sàrl

Since 2014 · 1–10 empl.

Environmental engineer
No score yet
M&

Müller & Perrottet SA

Since 2015 · 1–10 empl.

Environmental engineer
No score yet
ES

Exade Sàrl, succursale de Châtel-Saint-Denis

Since 2017 · 1–10 empl.

Environmental engineer
No score yet
N+

Niederer + Pozzi Umwelt AG, succursale Suisse romande

Since 2019 · 1–10 empl.

Civil engineer
No score yet
D2

DNE 2020 Sàrl

Since 2020 · 1–10 empl.

Environmental engineer
No score yet
BS

BEG SA Géologie & Environnement, succursale de Villaz (FR)

Since 2021 · 1–10 empl.

Environmental engineer
No score yet
DC

De Cérenville SA

Since 2021 · 1–10 empl.

Environmental engineer
No score yet

Environmental engineer in the Canton of Fribourg

54Environmental engineerCommercial register (Zefix) · as of November 15, 2026
2013Median year of registrationCommercial register (Zefix) · as of November 15, 2026
54in the Canton of FribourgCommercial 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

Fribourg18