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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesPainterBaselGP Maler AG
GP Maler AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

GP Maler AG carries out interior and exterior painting for private, commercial and public buildings. Its services include renovations, painting for new-build projects, façade refurbishment, and spray-painting and coating work.

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Service area

Offering

Products & services

Industry:Painter
✓ Offered6
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4.5/5

GP Maler AG

Painting work for interior and exterior areas
Painting work for private, commercial and public buildings for both interior and exterior areas, including advice on materials and colour design as well as planning of the execution.
Renovations
Renovation work for interior and exterior areas, with advice on mineral products and wallpaper collections, as well as sample selection and on-site consultations.
New-builds
Painting work for new-build projects, with advice on the project and the use of high-quality, durable materials from established manufacturers.
Facade renovations
Facade renovations and facade design, tailored to the building style, the surrounding structures and the desired overall concept.
Spray painting
Spray and coating work for windows, shutters, doors, radiators and steel doors, including pre-treatment, primer, glazes and paints.
Personal painter service
Personal painter service with expert advice on coatings and colour design, tailored to the respective surfaces and projects.
Trust & reputation

ranQ Trust Score of GP Maler AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of November 2026

GP Maler AG scores 92.5 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.96.924%
  • 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.100.010%
  • 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%
GP Maler AG scores 85.5 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%
GP Maler AG scores 86.7 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).86.722%
GP Maler AG scores 10.9 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 35.10.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GP Maler 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 103 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 103 reviews across all connected sources

Sources
GGoogle5103
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rufacherstrasse 8
4055 Basel
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-113.399.060
Founded
2007 · 19 years
Last commercial register change
August 11, 2025
Employees
1 to 10

Active in 2 of 26 cantons

  • BSBasel-City
  • BLBasel-Country
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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