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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesBelpZahnd AG, Spenglerei und san. Installationen
Zahnd AG, Spenglerei und san. Installationen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Zahnd AG is the provision of services in the areas of sanitation, plumbing, solar and heating, including planning, repair and installation.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered6
Plumbing
Kitchen and bathroom renovations, installation systems, water treatment, boilers; planning and implementation for renovation and new-build projects.
Sheet metal works
Roof windows, gutters, rainwater harvesting, repairs, chimney work for pitched and flat roofs, with or without solar.
Solar thermal
Solar thermal systems, systems with heating support, water heaters; needs assessment, profitability calculations and advice on funding options.
Heating system planning
Planning of heat generation as well as oil heating, heat pumps, gas heating and heating systems in combination with solar.
Planning bathroom and kitchen renovations
Precise and targeted planning for bathroom and kitchen renovations, including coordination of all trades and cost certainty.
Repair service
Boiler inspections, unclogging, leaking water taps, running WC systems and defective gutters; quick help when problems arise.
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3.9/5

Zahnd AG, Spenglerei und san. Installationen

Trust & reputation

ranQ Trust Score of Zahnd AG, Spenglerei und san. Installationen: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Zahnd AG, Spenglerei und san. Installationen scores 53.8 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.70.824%
  • 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.27.910%
  • 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%
Zahnd AG, Spenglerei und san. Installationen 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%
Zahnd AG, Spenglerei und san. Installationen 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%
Zahnd AG, Spenglerei und san. Installationen scores 8.6 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 35.8.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Zahnd AG, Spenglerei und san. Installationen 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 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Rubigenstrasse 15
3123 Belp
Opening hours
Mon
08:00 - 12:00, 13:00 - 18:00
Tue
07:30 - 12:00, 13:00 - 18:00
Wed
07:30 - 12:00, 13:00 - 18:00
Thu
07:30 - 12:00, 13:00 - 18:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.209.381
Founded
1967 · 59 years
Last commercial register change
September 6, 2010
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.100.06%
  • 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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