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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTesting & Inspection CentersChamQS Service Gauch
QS Service Gauch Logo
Verified· 3 sourcesTrust Score
Summary

About the company

QS Service Gauch provides quality-assurance and technical services for ventilation systems, including commissioning and airflow measurements, maintenance, hygiene inspections, thermal-imaging surveys and duct pressure testing.

AI-generated
Offering

Products & services

Industry:Testing & Inspection Centers
✓ Offered9
Maintenance of ventilation systems
Regular maintenance of ventilation systems to ensure proper operation, improve air quality, reduce energy consumption, and address safety issues.
Commissioning and air flow measurements for ventilation systems
Commissioning of ventilation systems including inspection of the installation, functional testing, measurement of air flow rate, testing of the emergency shut-off, and documentation of the results.
Hygiene inspection of ventilation systems
Inspection of ventilation systems with air quality measurements, contact samples, filter checks, and preparation of a maintenance and cleaning plan.
Ventilation system service
Troubleshooting, inspections, measurements and tests for ventilation systems, as well as replacement, repair and adjustment of settings in case of malfunctions.
Comfort measurement
Assessment of thermal comfort in indoor areas considering air temperature, humidity, air velocity, mean radiant temperature and operating conditions.
Noise level measurement
Measurement of the noise level of ventilation or building services systems to detect disturbing noises, vibrations and mechanical problems.
Thermal imaging inspection
Inspection with a thermal imaging camera to detect temperature differences, leaks, moisture, electrical overloads and faults.
Ventilation duct pressure test
Pressure testing of ventilation ducts to check tightness, including air pressure measurement and, optionally, a smoke test to locate leaks.
Filter ordering
Ordering replacement filter parts for ventilation systems via the website.
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3.8/5

QS Service Gauch

Trust & reputation

ranQ Trust Score of QS Service Gauch: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

QS Service Gauch scores 52.7 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.68.224%
  • 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.17.610%
  • 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.50.08%
QS Service Gauch scores 76.4 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.95.212%
  • 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%
QS Service Gauch 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%
QS Service Gauch scores 11.1 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 35.11.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

QS Service Gauch reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Alte Steinhauserstrasse 35
6330 Cham

At a glance

Legal form
Sole proprietorship
UID
CHE-164.817.234
Founded
2013 · 13 years
Last commercial register change
January 23, 2019
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.
67.0
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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