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

About the company

Maler Blum is a painting and plastering company offering interior and exterior painting, plasterwork, wallpapering, decorative finishes and spray-coating services. The firm also provides color concept development and visualizations, sample services, as well as various insulation works including sound and fire protection and corrosion protection.

AI-generated
Offering

Products & services

Industry:Painting & Plastering
✓ Offered7
Painting
Interior and exterior painting, graffiti protection and renovations.
Plastering
Plastering work, stucco work, special renders and premium plaster finishes.
Wallpapering
Wallpapers, wall coverings, fabrics and sample service.
Decorative wall design
Earth plasters, Stucco Antico, Stucco Veneziano and glazes.
Spraying work
Coating of doors, door frames, shutters, prefabricated components and decorative elements.
Design and colour concepts
Colour concepts, visualisation and sample service.
Insulation work
Interior insulation, sound insulation, fire protection, concrete insulation and corrosion protection.
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3.8/5

Maler Blum

Trust & reputation

ranQ Trust Score of Maler Blum: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Maler Blum scores 55.2 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.67.924%
  • 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.40.910%
  • 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%
Maler Blum 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%
Maler Blum 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%
Maler Blum scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Maler Blum reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 4 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
4.5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Webereistrasse 47
8134 Adliswil
Opening hours
Mon
06:30 - 17:00
Tue
06:30 - 17:00
Wed
06:30 - 17:00
Thu
06:30 - 17:00
Fri
06:30 - 17:00
Sat
06:30 - 17:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-105.390.246
Founded
2002 · 24 years
Last commercial register change
May 8, 2024
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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