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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet Metal WorkScharnachtalvon Känel und Sieber AG
von Känel und Sieber AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Känel + Sieber AG is the provision of services in the field of sheet metal work, particularly: sheet metal work, flat roof work, pitched roof work, metal facades, lightning protection and roof gardens. The company offers these services with over 35 years of experience and places emphasis on quality, reliability and innovation.

AI-generated
Offering

Products & services

Industry:Sheet Metal Work
✓ Offered6
Sheet metal work
Sheet metal work in copper, stainless steel chrom-nickel, zinc, aluminium or steel; gutters, downpipes, chimney surrounds, window sills, wall copings and cladding on pitched roofs, flat roofs and façades.
Flat roof
Flat roof waterproofing with bitumen, membrane or liquid plastic; finishes with gravel, substrate or boards, also for renovations and complex junctions.
Pitched roof
Roof coverings for pitched roofs with Prefa aluminium roof panels, Eternit or tiles; on request, complete roof renovations including rafter structure, thermal insulation and covering.
Ventilated metal façade
Back-ventilated metal façades for new builds and renovations; weather-resistant, virtually maintenance-free façades with different materials, colours and installation methods.
Lightning protection
Lightning protection systems for buildings; advice from lightning protection specialists to prevent damage to electrical installations, masonry and to avoid the consequences of fire.
Raised garden bed
Raised garden beds according to desired dimensions and ideas; made in length, width, height and colour from steel, stainless steel chrom or aluminium.
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4.0/5

von Känel und Sieber AG

Trust & reputation

ranQ Trust Score of von Känel und Sieber AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

von Känel und Sieber AG scores 61.1 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.73.224%
  • 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.52.910%
  • 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%
von Känel und Sieber 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%
von Känel und Sieber 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%
von Känel und Sieber AG 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

von Känel und Sieber AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 7 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
4.7
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.77
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Kientalstrasse 154
3722 Scharnachtal
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 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-110.075.112
Founded
2003 · 23 years
Last commercial register change
September 11, 2017
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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