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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesPainting & PlasteringSt-Aubin FrStéphan Gugelmann
Stéphan Gugelmann Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Stéphane Gugelmann is the provision of services in the field of construction and decoration, specifically: painting, wallpapering, insulation, renovation and new construction, and decorative glass fiber work. The company offers these services to private and commercial customers in the Romandy region.

AI-generated
Offering

Products & services

Industry:Painting & Plastering
✓ Offered4
Interior and exterior painting
Interior/exterior painting and render for facades and interiors, using traditional, mineral or ecological paints, with carefully executed finishes and durable protection.
Wallpaper and wall coverings
Custom wallpaper and wall coverings, with installation, removal and advice for classic wallpaper, glass-fibre or decorative coverings.
Perimeter insulation
Thermal and acoustic insulation of facades, in new builds and renovations, including for Minergie projects.
Small plastering work
Small plastering and render work for finishing and renovation work on houses, apartments and small buildings.
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3.8/5

Stéphan Gugelmann

Trust & reputation

ranQ Trust Score of Stéphan Gugelmann: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Stéphan Gugelmann scores 53.8 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.70.824%
  • 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.27.910%
  • 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%
Stéphan Gugelmann scores 78.5 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.55.07%
Stéphan Gugelmann 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%
Stéphan Gugelmann scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stéphan Gugelmann reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route de la Bahise 8
1566 St-Aubin Fr

At a glance

Legal form
Sole proprietorship
UID
CHE-440.427.128
Founded
2011 · 15 years
Last commercial register change
December 21, 2011
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.
67.0
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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