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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesLangenthalASAG Asbest- und Schadstoffsanierung AG
ASAG Asbest- und Schadstoffsanierung AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ASAG Asbest- und Schadstoffsanierung AG provides asbestos removal, hazardous-material remediation, building pollutant diagnostics and demolition services. Services include sampling and analysis, remediation planning and execution, and compliant disposal for private owners, architects, companies and public clients.

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Products & services

Industry:Specialized Construction Activities
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4.0/5

ASAG Asbest- und Schadstoffsanierung AG

Diagnostics
Building hazardous substance diagnostics with review of documents, on-site inspection, sampling, laboratory analysis, assessment and measures planning; hazardous substance cadastre as well as risk and cost estimates.
Asbestos abatement
Asbestos abatement from analysis through to disposal; building inspection, remediation planning, securing the remediation zone, removal, cleaning, decontamination and release.
Hazardous substance remediation
Hazardous substance remediation for contaminated buildings with removal of PCBs, PAHs, lead, CFCs, radon, slag and mould; planning, execution and handover.
Demolition work
Demolition work with controlled dismantling, gutting, disposal, clean-outs and clearing/removal of unwanted items; including material analyses, remediation concept and removal of built-in components.
Trust & reputation

ranQ Trust Score of ASAG Asbest- und Schadstoffsanierung AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

ASAG Asbest- und Schadstoffsanierung AG scores 62.0 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.50.824%
  • 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.58.610%
  • 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.100.08%
ASAG Asbest- und Schadstoffsanierung AG scores 82.0 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.83.012%
  • 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.70.07%
ASAG Asbest- und Schadstoffsanierung 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%
ASAG Asbest- und Schadstoffsanierung AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ASAG Asbest- und Schadstoffsanierung AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 out of 5 stars from 9 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
3.7
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle3.79
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Murgenthalstrasse 70a
4900 Langenthal
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-410.204.807
Founded
2017 · 9 years
Last commercial register change
November 14, 2022
Employees
11 to 20
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.100.06%
  • 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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