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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesWallisellenEcosens Holding AG
Ecosens Holding AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Ecosens Holding AG is a partner-managed environmental consultancy providing services for subsurface and contaminated-site issues (geology, groundwater, geothermie), building-related pollutant assessment (asbestos, indoor air measurements, radon), environmental planning (EIA, soil protection, construction-phase environmental supervision, studies) and legal/compliance support (environmental and climate law, due diligence, audits, workplace measurements, training).

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Products & services

Industry:Holding Companies
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4.2/5

Ecosens Holding AG

✓ Offered5
Contaminated sites & geology
Contaminated sites, subsoil investigations, groundwater, geothermal energy, soil and neophytes, shooting ranges.
Building
Asbestos and other building pollutants, indoor air, residential toxins, radon, sustainable construction planning, GI - Good Indoor Climate®, blower door measurements.
Environment & Planning
Environmental Impact Assessment, environmental construction monitoring, soil protection, nature and landscape, environmental studies and applied research.
Law & Compliance
Environmental and climate law, environmental due diligence, audits, occupational safety and health, workplace measurements, trainings, second opinion.
Radon dosimeter
Radon dosimeter for measuring radon concentration in indoor air; dosimeters are sent back after measurement.
Trust & reputation

ranQ Trust Score of Ecosens Holding AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Ecosens Holding AG scores 71.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.61.924%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.73.510%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.95.08%
Ecosens Holding AG scores 79.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.86.512%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Ecosens Holding AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Ecosens Holding AG scores 82.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.82.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ecosens Holding AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 17 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 17 reviews across all connected sources

Sources
GGoogle4.217
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Hammerweg 1
8304 Wallisellen
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-201.090.018
Founded
2016 · 10 years
Last commercial register change
March 12, 2025
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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