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

About the company

The core activity of Malerei Ullmann is the provision of painting and coating services.

AI-generated
Offering

Products & services

Industry:Painting & Plastering
✓ Offered6
Painting work
Painting and coating of walls, ceilings, wood and metal; wall and façade paints, lacquers, varnishes, oils and waxes.
Wallpapering
Wallpapering of interior rooms as a dedicated focus area, listed on the home page and in the page title.
Plastering work
Plastering of walls and surfaces, including plastic plaster.
Renovations
Renovation work related to painting, wallpapering and plastering, including for construction projects.
Facade renovations
Facade renovations for new builds and existing buildings.
Natural paints and natural products
Use of natural paints and natural varnishes for protection of wood and metal, wall and façade paints, lacquers/lasures, as well as varnishes, oils and waxes.
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4.1/5

M. Ullmann

Trust & reputation

ranQ Trust Score of M. Ullmann: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

M. Ullmann scores 71.3 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.79.424%
  • 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.52.910%
  • 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.70.08%
M. Ullmann 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%
M. Ullmann 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%
M. Ullmann scores 2.3 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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

M. Ullmann reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 7 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 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Mariabergstrasse 30
9400 Rorschach

At a glance

Legal form
Sole proprietorship
UID
CHE-103.718.821
Founded
1996 · 30 years
Last commercial register change
January 8, 2004
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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