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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesLenzburgR. Widmer AG Lenzburg
R. Widmer AG Lenzburg Logo
Verified· 3 sourcesTrust Score
Summary

About the company

R. Widmer AG Lenzburg provides heating, sanitary (plumbing) and sheet-metal (spengler) services, covering planning, supply, installation and maintenance of building services systems. Offerings include energy-generation solutions (solar, heat pumps), lightning protection and an in-house sheet-metal workshop.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Heating systems
Planning, supply and installation of heating systems with heat pumps, oil, gas and wood heating systems, solar thermal systems, boiler refurbishments, underfloor and radiator heating, as well as service and maintenance.
Plumbing installations
Planning and refurbishment of bathrooms and sanitary facilities, including bathroom upgrades, pipework refurbishment, water softening systems, boiler descaling, rainwater systems and pressure boosting systems.
Energy generation
Planning and construction of solar and photovoltaic systems, integration of solar energy into heating systems, as well as maintenance, preservation of value, repairs and refurbishments.
Sheet metal work
Sheet metal work on flat and pitched roofs, flat roof work, roof and wall cladding, as well as service, maintenance and preservation of value work on new builds and refurbishments.
Lightning protection systems
Planning and installation of lightning protection systems for existing and new buildings, including surge protection devices, as well as maintenance and preservation of value.
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4.5/5

R. Widmer AG Lenzburg

Trust & reputation

ranQ Trust Score of R. Widmer AG Lenzburg: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

R. Widmer AG Lenzburg scores 90.9 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.85.824%
  • 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.100.010%
  • 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.95.08%
R. Widmer AG Lenzburg scores 89.3 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%
R. Widmer AG Lenzburg 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%
R. Widmer AG Lenzburg scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

R. Widmer AG Lenzburg reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.8 out of 5 stars from 50 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
4.8
of 5

Aggregated from 50 reviews across all connected sources

Sources
GGoogle4.850
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Industriestrasse 13
5600 Lenzburg
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 11:45, 13:00 - 15:45
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.117.394
Founded
1991 · 35 years
Last commercial register change
July 25, 2014
Employees
11 to 20
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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