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DirectoryBusiness & Technical ServicesEngineerGümligenvarrin & müller Ingenieurbüro für Gebäudetechnik AG
varrin & müller Ingenieurbüro für Gebäudetechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

varrin & müller Ingenieurbüro für Gebäudetechnik AG is an engineering consultancy for building services. Its work includes electrical installation projects, lighting, communication and security systems, energy studies, consulting, expert assessments and technical representation of clients.

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Service area

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Products & services

Industry:Engineer
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3.9/5

varrin & müller Ingenieurbüro für Gebäudetechnik AG

✓ Offered6
Electrical installation projects
Electrical installation projects in building and civil engineering, including lighting projects, communication systems and security installations.
Energy consulting and energy optimisation
Energy studies, implementation of measures for energy optimisation and lighting renovation using the energy-saving potential.
Preliminary studies and expert reports for conversion projects
Surveys and expert reports in the preliminary study phase of conversion projects as well as technical clarifications.
Tender documents
Preparation of neutral tender documents in all specialist fields.
Advisory services and expert reports
Advisory services, expert reports and technical support for construction projects and specialist fields.
Technical client representation
Technical representative of the client during projects and execution phases.
Trust & reputation

ranQ Trust Score of varrin & müller Ingenieurbüro für Gebäudetechnik AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

varrin & müller Ingenieurbüro für Gebäudetechnik AG scores 49.8 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.35.08%
varrin & müller Ingenieurbüro für Gebäudetechnik AG scores 92.0 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.70.07%
varrin & müller Ingenieurbüro für Gebäudetechnik AG scores 86.7 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).86.722%
varrin & müller Ingenieurbüro für Gebäudetechnik AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

varrin & müller Ingenieurbüro für Gebäudetechnik AG reaches a ranQ Trust Score of 3.9 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 November 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

Worbstrasse 210
3073 Gümligen

At a glance

Legal form
Corporation
UID
CHE-106.065.665
Founded
1994 · 32 years
Last commercial register change
June 30, 2026
Employees
11 to 20

Active in 1 of 26 cantons

  • BEBern
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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.95.03%
    • Full methodology

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