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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPainting & PlasteringGelterkindenStefan Buess AG
Stefan Buess AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Stefan Buess AG provides restoration and decorative painting services as well as reconstruction and project supervision for historic buildings. The firm also carries out general painting work, concrete cosmetic treatments and decorative surface techniques, including cleaning, conservation and retouching.

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Products & services

Industry:Painting & Plastering
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4.5/5

Stefan Buess AG

6
Painting work
Internal and external painting work, façade coatings, modern painting on construction sites and colour consulting for residential and commercial premises.
Concrete cosmetic repair
Concrete cosmetic finishing and damage repair with colour retouches, reprofiling, puttying techniques, glazes, surface refinishing and protective coatings.
Decorative work
Imitations of wood, stone and marble, wallpaper and puttying techniques for decorative surfaces and interior design.
Restoration
Cleaning, care and conservation of historic and listed buildings, including façade paintings, decorative interior designs and historic floors.
Reconstruction
Uncovering, retouching and additions to restore historic surfaces and reconstruct missing parts of cultural heritage.
Project supervision
Investigations and documentation for restoration projects, including material and colour analyses, damage assessment, reports, monitoring and archival research.
Trust & reputation

ranQ Trust Score of Stefan Buess AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Stefan Buess AG scores 91.7 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.92.624%
  • 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.92.510%
  • 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%
Stefan Buess AG scores 89.3 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.70.07%
Stefan Buess 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%
Stefan Buess AG scores 4.9 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 35.4.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stefan Buess AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 37 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 37 reviews across all connected sources

Sources
GGoogle537
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Tecknauerstrasse 17
4460 Gelterkinden
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:15
Tue
07:00 - 12:00, 13:00 - 17:15
Wed
07:00 - 12:00, 13:00 - 17:15
Thu
07:00 - 12:00, 13:00 - 17:15
Fri
07:00 - 12:00, 13:00 - 16:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.282.258
Founded
1974 · 52 years
Last commercial register change
February 4, 2020
Employees
11 to 20
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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