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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringValsTruffer AG
Truffer AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Truffer AG is a natural stone company that extracts Valser quartzite and processes it in its own plant into building and design products. Its activities span the full value chain from raw material extraction to finished products, including roofs, interior and exterior floors, masonry, cladding, kitchen worktops and washbasins, and decorative stone objects.

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Products & services

Industry:Civil Engineering
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Truffer AG

✓ Offered3
Natural stone extraction and processing
Extraction of Valser quartzite in the quarry and processing into finished products in the company’s own plant in Vals, from raw material extraction to the finished natural stone product.
Valser natural stone products for construction and fit-out
Products made from Valser quartzite for masonry, brick slips inside and outside, floors inside and outside, kitchens, wash basins, roofs, bathrooms and stone objects.
Natural stone projects
Reference and project work with Valser quartzite in Switzerland, Europe, America, Asia and Oceania, among others for private houses, commercial buildings and public structures.
Trust & reputation

ranQ Trust Score of Truffer AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 100% · As of October 2026

Truffer AG scores 83.5 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.83.924%
  • 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.73.510%
  • 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.95.08%
Truffer AG scores 94.3 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.90.07%
Truffer AG scores 86.7 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).86.722%
Truffer AG scores 46.7 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 35.80.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.13.34%
Qualifications+0.00

Truffer AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 17 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 17 reviews across all connected sources

Sources
GGoogle4.917
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 2, 2023Media
Pia und Artemis Truffer: «Wir wollten nicht etwas wiederholen, das es schon gibt – deshalb hat uns dieser Entwurf am meisten entsprochen»
swiss-architects.com
December 17, 2012Media
Ein Stein von Welt
nzz.ch

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Location

Balma 168E
7132 Vals
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.084.231
Founded
1983 · 43 years
Last commercial register change
November 3, 2023
Employees
51 to 100
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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