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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesFlumenthalGroup Wyss AG
Group Wyss AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Group Wyss AG is a construction company specialising in plastering, rendering and stucco as well as drywall and lightweight construction systems. It also provides façade insulation and renovation, wall and ceiling systems (including acoustic ceilings), seamless wall and floor coatings, underlayment floors, fire protection and electrosmog protection (accuraum®), and offers coordination support for builders, planners and architects.

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Products & services

Industry:Holding Companies
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Group Wyss AG

✓ Offered9
Plastering work
Plastering work for construction and renovation, complemented by plastering work, stucco work and consulting and execution services for conversion projects.
Drywall and lightweight construction
Drywall and lightweight construction with freestanding walls as well as insulating and protective wall and ceiling linings.
Plastering and stucco work
Plastering and stucco work with breathable, load-bearing mineral products for interior areas and building envelopes.
Facade insulation and facade renovation
Energy-saving facade insulation and facade renovations for building envelopes with energy-optimised execution.
Wall and ceiling systems
Wall and ceiling systems with drywall, acoustic ceilings, as well as reference work for wall and ceiling systems.
Seamless wall and floor coatings
Seamless wall and floor coatings as well as underlay floors for heavily used indoor areas.
Underlay floors
Underlay floors for load-bearing floor build-ups in new-build, conversion and renovation projects.
Fire protection
Fire protection services for construction projects and building protection.
Radiation protection with accuraum®
Radiation protection with accuraum® for healthy living and healthy sleep.
Trust & reputation

ranQ Trust Score of Group Wyss AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Group Wyss AG scores 78.6 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.76.324%
  • 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.67.110%
  • 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.100.08%
Group Wyss AG scores 69.9 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.39.612%
  • 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.96.07%
Group Wyss 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%
Group Wyss AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Group Wyss AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 13 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 13 reviews across all connected sources

Sources
GGoogle4.713
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Scharlenweg 5
4534 Flumenthal
Opening hours
Mon
07:30 - 11:30
Tue
07:30 - 11:30
Wed
07:30 - 11:30
Thu
07:30 - 11:30
Fri
07:30 - 11:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-177.049.071
Founded
2024 · 2 years
Last commercial register change
May 31, 2024
Employees
101 to 500
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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