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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustryArvigoGNEISS SA
GNEISS SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

GNEISS SA operates a quarry and processes Calanca gneiss for a range of construction and design applications. The company supplies natural stone products for roofs, façades, floors, stairs, kitchens, bathrooms, fountains, and custom-made projects.

AI-generated
Offering

Products & services

Industry:Glass, Ceramics, Stone & Construction Materials Industry
✓ Offered5
Gneiss extraction
Gneiss Calanca extraction in the Arvigo quarry, with selection of the blocks and transport to the laboratories for subsequent processing.
Natural stone processing
Manual and mechanical processing of Gneiss Calanca in the laboratory, with cutting, splitting, polishing, grinding and brushing, including with CNC machines.
Gneiss elements for building and furnishing
Gneiss Calanca elements for roofs, facades, window sills and thresholds, indoor and outdoor floors, staircases and masonry.
Gneiss creations for gardens and outdoor areas
Gneiss Calanca creations for fountains, pergolas, swimming pools and water features, tables and seating, palisades and privacy screens.
Special gneiss creations
Special Gneiss Calanca creations for specific projects, with custom processing and finishes suitable for particular applications.
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4.3/5

GNEISS SA

Trust & reputation

ranQ Trust Score of GNEISS SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

GNEISS SA scores 71.1 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.74.424%
  • 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.49.510%
  • 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.88.08%
GNEISS SA scores 90.2 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.95.212%
  • 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.82.07%
GNEISS SA scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
GNEISS SA scores 54.3 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 35.54.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GNEISS SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 6 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
4.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.86
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Via alla Sega 7
6543 Arvigo
Opening hours
Mon
08:00 - 12:00, 13:00 - 16:45
Tue
08:00 - 12:00, 13:00 - 16:45
Wed
08:00 - 12:00, 13:00 - 16:45
Thu
08:00 - 12:00, 13:00 - 16:45
Fri
08:00 - 12:00, 13:00 - 16:45
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-165.281.129
Founded
2013 · 13 years
Last commercial register change
January 4, 2024
Employees
21 to 50
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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