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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringMaienfeldPernette + Wilhelm Ingenieure
Pernette + Wilhelm Ingenieure Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Pernette + Wilhelm Ingenieure is an independent engineering, planning and consulting firm active in the fields of building physics, mechanical engineering and measurement and test engineering. Services include integrated planning and assessment for energy use, thermal and moisture protection, building and room acoustics, damage analysis, and the development and application of measurement and testing systems.

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Offering

Products & services

Industry:Technical Consulting & EngineeringMechanical Engineering Industry
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3.8/5

Pernette + Wilhelm Ingenieure

✓ Offered3
Building physics
Advisory, assessment and planning across the fields of building and room acoustics, energy, thermal protection and moisture protection, vibrations, building simulations, as well as expert reports and assessments.
Mechanical engineering
Engineering services for cranes and nuclear cranes, ropeway technology, as well as damage analytics and expert reports in mechanical engineering.
Measurement and test engineering
Measurement and test engineering for evidence preservation, acquisition of basic data, recording of initial conditions, quality control, and development of customer-specific measuring instruments and test rigs.
Trust & reputation

ranQ Trust Score of Pernette + Wilhelm Ingenieure: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Pernette + Wilhelm Ingenieure scores 51.4 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.66.724%
  • 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.27.910%
  • 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.35.08%
Pernette + Wilhelm Ingenieure scores 81.0 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.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%
Pernette + Wilhelm Ingenieure scores 81.7 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).81.722%
Pernette + Wilhelm Ingenieure 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

Pernette + Wilhelm Ingenieure reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 2 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
4.5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle4.52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hier entsteht die Karte
7304 Maienfeld

At a glance

Legal form
General Partnership
UID
CHE-108.417.203
Founded
1996 · 30 years
Last commercial register change
March 8, 1996
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.
79.0
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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