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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringSt. GallenGebäudeanalyse Martin Felder SIA, Ingenieurbüro für Bauphysik, Akustik und Messtechnik
Gebäudeanalyse Martin Felder SIA, Ingenieurbüro für Bauphysik, Akustik und Messtechnik Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of the company "Gebäudeanalyse Martin Felder SIA" encompasses the provision of services in the fields of building physics, energy planning, damage analysis, and measurement technology. Specifically, the company offers the following services: building physics measurements and analyses, energy planning and consulting, damage analysis and assessment, noise protection and acoustics, measurement technology and 3D scanning, thermal bridge calculation and analysis, sound insulation and impact sound investigations, air tightness measurements and IR thermography, as well as moisture and damage analysis. The company supports customers with building physics and damage-related issues and offers its services throughout Switzerland.

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Products & services

Industry:Technical Consulting & Engineering
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Gebäudeanalyse Martin Felder SIA, Ingenieurbüro für Bauphysik, Akustik und Messtechnik

✓ Offered7
Energy planning
Energy planning for buildings: GEAK, energy consulting, system verification and verification of individual building components, as well as heat-bridge calculations.
Sound insulation and noise protection
Sound insulation according to SIA 181 and noise protection for outdoor areas, using measurement-based or calculation-based solutions.
Measurements
Measurement-based investigations regarding comfort, impact sound and airborne sound, airtightness, IR thermography, moisture and window sealing.
Damage analysis
Damage analyses for building-physics and damage-technical questions, in particular for moisture-related damage.
Municipal consulting
Consulting and guidance for municipalities on noise protection, sound insulation and the energy sector.
Room acoustics
Room-acoustic assessments and requirements for various uses, taking into account reverberation, clarity, speech intelligibility and sound impression.
Building physics for historic monuments
Building-physical investigations and consulting in the field of historic monuments.
Trust & reputation

ranQ Trust Score of Gebäudeanalyse Martin Felder SIA, Ingenieurbüro für Bauphysik, Akustik und Messtechnik: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Gebäudeanalyse Martin Felder SIA, Ingenieurbüro für Bauphysik, Akustik und Messtechnik 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%
Gebäudeanalyse Martin Felder SIA, Ingenieurbüro für Bauphysik, Akustik und Messtechnik scores 78.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • 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%
Gebäudeanalyse Martin Felder SIA, Ingenieurbüro für Bauphysik, Akustik und Messtechnik 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%
Gebäudeanalyse Martin Felder SIA, Ingenieurbüro für Bauphysik, Akustik und Messtechnik scores 4.9 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 35.4.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gebäudeanalyse Martin Felder SIA, Ingenieurbüro für Bauphysik, Akustik und Messtechnik reaches a ranQ Trust Score of 4.1 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 October 2026.

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

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Location

Dufourstrasse 121
9000 St. Gallen

At a glance

Legal form
Sole proprietorship
UID
CHE-114.166.966
Founded
2008 · 18 years
Last commercial register change
March 25, 2022
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.67.06%
  • 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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