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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesLangnau Am AlbisWälti & Sohn AG
Wälti & Sohn AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Wälti & Sohn AG provides sanitary and heating services, offering maintenance, repairs, renovations and project coordination for private customers. Services include repairs to toilets, taps and radiators, boiler servicing, pipe replacement, as well as consultation, planning and execution coordination for bathroom and heating renovations.

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Products & services

Industry:Plumbing & Building Services
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Wälti & Sohn AG

✓ Offered
3
Plumbing service
Plumbing service for WC, shower/bath, washbasin and installations in the basement; repairs, maintenance, descaling, filter installation, remediation of water damage and replacement installations.
Heating service
Heating service for radiators, heating panels, valves and heating distribution; repairs, troubleshooting, consultation for replacing the heating system, optimization, sludge removal and integration of renewable energies.
Renovation, bathroom renovation and refurbishment
Conversion, bathroom renovation and refurbishment of a house or floor; preliminary design, cost estimate, detailed planning, scheduling, material ordering, execution and project coordination from a single source.
Trust & reputation

ranQ Trust Score of Wälti & Sohn AG

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Wälti & Sohn AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Wälti & Sohn AG scores 64.1 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.50.012%
  • 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%
Wälti & Sohn 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%
Wälti & Sohn AG scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

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Location

Gartenweg 2
8135 Langnau Am Albis
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:30
Tue
08:00 - 12:00, 13:30 - 17:30
Wed
08:00 - 12:00, 13:30 - 17:30
Thu
Closed
Fri
Closed
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-190.443.228
Founded
2023 · 3 years
Last commercial register change
January 13, 2023
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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