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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerNäfelsAkustik und Bauphysik Franz Hämmerli
Akustik und Bauphysik Franz Hämmerli Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Akustik und Bauphysik Franz Hämmerli is an engineering consultancy for acoustics, building physics, energy, sustainability, and fire protection. The company provides advisory and planning services in sound insulation, room and environmental acoustics, building physics, building technology, energy, and fire protection planning and quality assurance.

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Service area

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Products & services

Industry:EngineerCivil engineer
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Akustik und Bauphysik Franz Hämmerli

✓ Offered5
Acoustics and Noise Protection
Sound insulation, room and environmental acoustics, vibrations, and machine and industrial noise; assessments, calculations, measurements, compliance evidence, and expert reports for new builds, conversions, and permitting.
Building Physics and Construction Engineering
Building physics, construction engineering, and control for new builds and conversions; thermal protection, moisture, airtightness, damage prevention, construction details, independent site checks, and expert reports.
Energy and Sustainability
Consulting, calculations, and compliance evidence for heat generation, thermal insulation, indoor climate, embodied energy, greenhouse gas emissions, and standards such as MINERGIE, SNBS, and GEAK.
Fire Protection Planning, Consulting and Quality Assurance
Fire protection planning, fire safety consulting, quality assurance QSS 1 to QSS 4, condition assessments, operational inspections, integrated testing of fire control systems, and training.
Preliminary Reviews and Training
Preliminary reviews for competitions and zoning plans, plus training and consulting on acoustics, building physics, energy, sustainability, and construction technology for clients, architects, contractors, and authorities.
Trust & reputation

ranQ Trust Score of Akustik und Bauphysik Franz Hämmerli: 3.5 out of 5.0

Trust Score3.5/ 5.0

Solid

x

Data basis 54% · As of November 2026

Akustik und Bauphysik Franz Hämmerli 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%
Akustik und Bauphysik Franz Hämmerli scores 42.4 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.0.012%
  • 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.82.07%
Akustik und Bauphysik Franz Hämmerli 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%
Akustik und Bauphysik Franz Hämmerli scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Akustik und Bauphysik Franz Hämmerli reaches a ranQ Trust Score of 3.5 out of 5.0 — rated «Solid». 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

Loch 8
8752 Näfels

At a glance

Legal form
Sole proprietorship
UID
CHE-409.098.473
Founded
2026 · 0 years
Last commercial register change
September 2, 2026
Employees
21 to 50

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