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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerWinterthurSoundtherm AG
Soundtherm AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Soundtherm AG is an engineering consultancy for building physics, acoustics and energy. It provides services including measurements, assessments, compliance documentation and consulting for construction projects.

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Presence

Service area

Offering

Products & services

Industry:Engineer
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3.8/5

Soundtherm AG

✓ Offered5
Measurements
Building acoustics measurements, room acoustics measurements, measurements of noise from building services systems, noise emissions from the HLKS systems, moisture measurements and thermographic recordings.
Expert reports
GEAK and funding grants, noise assessment reports under the LSV and Cercle Bruit, as well as simulations for summer thermal protection for new-build and refurbishment projects.
Verification documents
Energy performance certificate according to SIA 380/1, sound insulation verification according to SIA 181, on-site electricity generation EN-104, heating and domestic hot water systems EN-103, as well as Minergie applications.
Consulting
Building-physics detail solutions, construction build-ups and material specification, plan checks, thermal bridges, noise propagation and quality control in building physics with Minergie QS-Bau.
ACADEMY
Courses, events and workshops for continuing education in building physics, energy, acoustics, fire protection, sustainability and building technology.
Trust & reputation

ranQ Trust Score of Soundtherm AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 54% · As of November 2026

Soundtherm AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Soundtherm AG scores 53.4 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.25.012%
  • 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.55.07%
Soundtherm AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
Soundtherm AG scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Soundtherm AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

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

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Location

Technoparkstrasse 2
8406 Winterthur

At a glance

Legal form
Corporation
UID
CHE-364.317.240
Founded
2025 · 1 year
Last commercial register change
March 6, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHWinterthur
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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