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

About the company

The core activity of Zeuch AG encompasses work related to the building envelope, specifically: sheet metal work, roofing (pitched roof, flat roof), facade cladding, lightning protection systems, roof windows, photovoltaics, and maintenance and repair of roofs and facades. The company thus offers a wide range of services in the field of building envelopes and positions itself as a competent partner for builders and property owners.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered8
Sheet metal work
Sheet metal work, metal roofs, gutters, downpipes, sheet metal cladding for flat and pitched roofs, as well as roof dormer and façade cladding.
Pitched roof
Pitched roof work with vapour barriers, thermal insulation, underlays, PREFA, tile, slate and metal roofs, snow retention systems, VELUX roof windows and roof renovations.
Flat roof
Flat roof work with planning and installation, vapour barriers, thermal insulation, bituminous and liquid plastic waterproofing, green roofs, terrace coverings, skylights, fall protection and renovations.
Facades
Facade construction with natural slate façades, Swisspearl and metal façades, as well as repairs of timber shingle façades.
Lightning protection
Planning and installation of lightning protection systems, including advice; information on lightning protection systems and subsidy applications is provided.
Roof windows
Installation and replacement of VELUX roof windows, as well as heat and sun protection and service maintenance for flat and pitched roofs.
Maintenance
Maintenance of flat and pitched roofs with flat roof inspections, pitched roof inspections, inspection of green roofs, lightning protection inspections and roof window service.
Photovoltaics
Photovoltaic solutions with solar tiles and large-format solar modules, also as an alternative to conventional roofing coverings during roof renovations.
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4.1/5

Zeuch AG

Trust & reputation

ranQ Trust Score of Zeuch AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Zeuch AG scores 61.9 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.57.924%
  • 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.100.08%
Zeuch AG 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%
Zeuch 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%
Zeuch AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Zeuch AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 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
3.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle3.84
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

St. Gallerstrasse 159
9200 Gossau Sg
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:00
Tue
07:00 - 12:00, 13:15 - 17:00
Wed
07:00 - 12:00, 13:15 - 17:00
Thu
07:00 - 12:00, 13:15 - 17:00
Fri
07:00 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-100.611.210
Founded
1989 · 37 years
Last commercial register change
August 19, 2026
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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