Environmental engineer in
Winterthur

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

Companies

All 10 companies in Winterthur

AFRY Schweiz AG Logo

AFRY Schweiz AG

Since 1992 · 51–100 empl.

AFRY Schweiz AG provides technical consulting, engineering design, project management, construction management and management consulting services. Its work serves clients in infrastructure, energy, and industrial and digital solutions.

Civil engineerConsulting and engineering servicesPlanning and delivery of building and infrastructure projectsEnvironmental consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
AllGeol AG Logo

AllGeol AG

Since 2003 · 21–50 empl.

AllGeol AG provides consulting and services in geology and geotechnical engineering, groundwater, contaminated sites and building pollutants. Its areas of expertise also include geothermal energy and related fields.

Environmental engineerGeology / GeotechnicsContaminated sitesBuilding contaminants
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
VITALITREE BAUMEXPERTISE Timo Scheurer Logo

VITALITREE BAUMEXPERTISE Timo Scheurer

Since 2016 · 1–10 empl.

VITALITREE BAUMEXPERTISE Timo Scheurer provides independent tree assessments and expert reports on tree health, safety, life expectancy and conservation value. Its services also include tree protection and monitoring on construction sites, as well as tree care and development plans.

Environmental engineerTree appraisals and expert reportsTree protection on construction sitesTree care and development concepts
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
ABSON Sanierungstechnik AG Logo

ABSON Sanierungstechnik AG

Since 2000 · 11–20 empl.4.2(5)

The core activity of ABSON Sanierungstechnik AG is the professional remediation of hazardous substances in private and publicly used buildings, including planning, implementation and special disposal of hazardous substances.

Environmental engineerHazardous substance remediation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
HOLINGER AG Logo

HOLINGER AG

Since 1968 · 11–20 empl.5.0(2)

HOLINGER AG is an engineering company that develops solutions for the water cycle and plans and supports projects. Its areas of expertise include wastewater, construction, energy, digital planning, industry, urban drainage, the environment, hydraulic engineering and water supply.

Civil engineerConstructionWastewaterUrban drainage
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #5
SG

SimSol GmbH

Since 2005 · 1–10 empl.

Environmental engineer
No score yet
SS

Sanär Service / Resu-Tec GmbH

Since 2007 · 1–10 empl.

Environmental engineer
No score yet
BB

BCL Beratung Zürcher

Since 2010 · 1–10 empl.

Environmental engineer
No score yet
FA

FRIEDLIPARTNER AG, Zweigniederlassung Winterthur

Since 2021 · 1–10 empl.

Civil engineer
No score yet
MW

Milzow Water Consulting

Since 2026 · 1–10 empl.

Environmental engineer
No score yet

Environmental engineer in Winterthur

10Environmental engineerCommercial register (Zefix) · as of November 15, 2026
2007Median year of registrationCommercial register (Zefix) · as of November 15, 2026
173in the Canton of ZurichCommercial 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