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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesChamWalter Besmer & Söhne AG
Walter Besmer & Söhne AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Walter Besmer & Söhne AG provides planning, installation, maintenance and repair services for heating and sanitary systems; services include leak detection, renovations and advice on energy-efficient solutions.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered6
Heating
Planning and installation of heating systems, including oil and gas heating systems, wood heating, heat pumps and solar installations; as well as maintenance, repairs and refurbishment of existing systems.
Plumbing
Planning and execution of plumbing installations for bathrooms, kitchens and pipework; including installations, maintenance, repairs, leak detection as well as solutions for new builds, renovations and refurbishments.
Planning and consulting
Planning of building services projects from the first idea to the finished concept; consulting for new builds and alterations, bathroom design, heating system installation and renovation concepts.
Alteration and refurbishment
Alterations and refurbishments for bathrooms and building services, including reconfiguration of rooms, modernization, new builds and alterations of bathrooms as well as refurbishment of existing systems.
Repair service
Fast and professional restoration in the event of faults or failures in heating and plumbing systems; including repairs and leak detection.
Maintenance and servicing
Regular maintenance and upkeep of heating and plumbing systems to ensure longevity, trouble-free operation and efficient use.
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4.0/5

Walter Besmer & Söhne AG

Trust & reputation

ranQ Trust Score of Walter Besmer & Söhne AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Walter Besmer & Söhne 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%
Walter Besmer & Söhne 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%
Walter Besmer & Söhne 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%
Walter Besmer & Söhne AG scores 8.0 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 35.8.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Walter Besmer & Söhne 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.

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Location

Gewerbestrasse 8
6330 Cham

At a glance

Legal form
Corporation
UID
CHE-106.912.673
Founded
1966 · 60 years
Last commercial register change
March 23, 2026
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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