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

About the company

The core activity of Schaller & Studer GmbH is the execution of roofing, steep and flat roof work, including roofing work, skylight installations, repair work and the processing of natural stone slabs, in particular traditional Valais stone slab roofs.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered5
Roofing works
Roofing works for pitched and flat roofs, including system build-up from roof decking or concrete slab, with tile, metal, fibre-cement, EPDM and plastic membranes, polymer bitumen and green roofs.
Sheet metal roofing work
Sheet metal roofing work including gutters, downpipes, chimney flashings, board cladding, connection and protective sheets, and further metalwork on roof and facade.
Roof windows
Advice and installation for roof windows, including selection of the right model and accessories for more light and improved living comfort.
Service and minor repairs
Service work and minor roof repairs, annual inspections and winter maintenance, including fixing dripping gutters or blocked drains.
Roof renovation consulting
Consulting for roof renovations and roof build-ups, with detailed solutions developed with clients, architects or site management and an non-binding quotation.
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3.8/5

Schaller & Studer GmbH

Trust & reputation

ranQ Trust Score of Schaller & Studer GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Schaller & Studer GmbH scores 52.2 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.65.024%
  • 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.35.310%
  • 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%
Schaller & Studer GmbH scores 78.8 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.86.512%
  • 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%
Schaller & Studer GmbH 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%
Schaller & Studer GmbH scores 3.7 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 35.3.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schaller & Studer GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 3 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
4.3
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle4.33
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Saasermauer 7
3904 Naters
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-244.756.191
Founded
2016 · 10 years
Last commercial register change
April 29, 2019
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.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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