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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionWidnauGebr. Lüchinger AG
Gebr. Lüchinger AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Gebr. Lüchinger AG is the planning, installation and maintenance of sanitary facilities, heating systems and ventilation systems. The company offers comprehensive services in these areas, including consulting, planning, execution and service, to provide efficient and innovative solutions for building technology systems.

AI-generated
Offering

Products & services

Industry:Metal ConstructionPlumbing & Building Services
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4.0/5

Gebr. Lüchinger AG

✓ Offered5
Heating installations, service and modernization
Heating installations for single-family homes, multi-family homes, commercial buildings and industry; consulting, planning, professional installation, service, modernization and replacement of heating systems.
Heat pump systems
Planning, installation, maintenance and optimization of heat pump systems for new builds and existing buildings; including consulting and integration into building automation.
Ventilation systems
Planning, installation, maintenance and optimization of ventilation systems for new builds, conversions and renovations; including comfort ventilation according to Minergie and building automation.
Sanitary installations
Sanitary installations for new builds and conversions as well as renovations; listed on the website as an area for sanitary installations that is continuously updated.
Customer service
Customer service for maintenance and operation of building technology systems; on request executed robustly, durably and adapted to requirements.
Trust & reputation

ranQ Trust Score of Gebr. Lüchinger AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Gebr. Lüchinger AG scores 59.3 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.75.024%
  • 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.40.910%
  • 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%
Gebr. Lüchinger AG scores 85.5 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%
Gebr. Lüchinger 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%
Gebr. Lüchinger AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gebr. Lüchinger AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Aegetholzstrasse 22a
9443 Widnau
Opening hours
Mon
07:00 - 17:30
Tue
07:00 - 17:30
Wed
07:00 - 17:30
Thu
07:00 - 17:30
Fri
07:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.800.226
Founded
1980 · 46 years
Last commercial register change
May 20, 2014
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.
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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