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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringVuadensGrisoni-Zaugg S.A.
Grisoni-Zaugg S.A. Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Grisoni-Zaugg S.A. is a company within Groupe Grisoni. It provides construction services aligned with the group’s competencies, including building construction, civil engineering, railway works, deconstruction and asbestos removal, geothermal projects and timber construction.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered8
Civil engineering
Civil engineering for public and private infrastructures, with road construction, structures, surfacing, low-temperature asphalt mixes, cold recycled surfacings, soil stabilisation and continuous concrete.
Building
Building for new builds, renovation, extension and transformation, in particular industrial buildings, shopping centres, residential projects and wastewater treatment or water treatment plants.
Special works
Special works for excavation shoring, reinforcement, soil surveys, work at height and technical interventions on industrial sites, structures and difficult-to-access areas.
Deconstruction and asbestos abatement
Deconstruction and asbestos abatement for stripping, clean-out, demolition of infrastructures, sawing and boring, coring, asbestos remediation, decontamination and structural reinforcement.
Railway works
Railway works for stations, infrastructures, emergencies and track laying, with interventions for the conversion, renewal and safety of railway structures.
General contractor
General contractor for design and implementation of turnkey projects, with financial estimation, administrative procedures, coordination of the trades and support for PPE buyers.
Geothermal & hydrogeology
Geothermal and hydrogeology for boreholes, coaxial boreholes, wells in an aquifer, geostructures, deep wells, horizontal drains, well tests and environmental diagnosis MIHPT.
Timber construction
Timber construction for traditional and prefabricated timber roof trusses, timber frame construction, renovation and transformation, joinery, furniture and interior and exterior fittings.
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4.1/5

Grisoni-Zaugg S.A.

Trust & reputation

ranQ Trust Score of Grisoni-Zaugg S.A.: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

Grisoni-Zaugg S.A. scores 59.8 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.54.124%
  • 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.65.210%
  • 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.70.08%
Grisoni-Zaugg S.A. scores 95.5 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.82.07%
Grisoni-Zaugg S.A. scores 86.7 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).86.722%
Grisoni-Zaugg S.A. scores 50.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Grisoni-Zaugg S.A. reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.9 out of 5 stars from 12 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.9
of 5

Aggregated from 12 reviews across all connected sources

Sources
GGoogle3.912
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

April 9, 2026Media
Fünf Familienunternehmen gründen zirkulit Beton AG
punkt4.info

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Location

Rue de Planchy 20
1628 Vuadens
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:30
Tue
07:30 - 12:00, 13:30 - 17:30
Wed
07:30 - 12:00, 13:30 - 17:30
Thu
07:30 - 12:00, 13:30 - 17:30
Fri
07:30 - 12:00, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.821.401
Founded
1947 · 79 years
Last commercial register change
July 1, 2026
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.100.03%
    • Full methodology

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