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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPainting & PlasteringSiatDerungs Berthold, Malergeschäft, Casa Sulom
Derungs Berthold, Malergeschäft, Casa Sulom Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Malergeschäft Derungs is the execution of painting work in interior and exterior areas, including colour and protective coatings, facade insulation and mould remediation.

AI-generated
Offering

Products & services

Industry:Painting & Plastering
✓ Offered9
Painting work indoors and outdoors
Painting work indoors and outdoors, colour consulting, colour design, protective coatings, decorative techniques, wood protective coatings and fire-stopping.
Plastering work
Plastering work for renovations and new builds on walls and facades, as part of painting and refurbishment work.
Facade insulation
Facade insulation and insulation work in connection with painting work for new builds, conversions and renovations.
Mould remediation
Mould remediation carried out professionally, as part of work on interior walls and facades.
Colour consulting
Colour consulting to analyse colours and determine the appropriate colour type for rooms and facades.
Colour design
Colour design for interiors and facades with an effect on rooms and building surfaces.
Decorative techniques
Decorative techniques such as sponge technique and spatula technique for special surface effects.
Wood protective coatings
Wood protective coatings for maintaining and protecting wood against weathering.
Fire-stopping
Fire-stopping to delay the spread of fire and protect buildings in the event of a fire.
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Derungs Berthold, Malergeschäft, Casa Sulom

Trust & reputation

ranQ Trust Score of Derungs Berthold, Malergeschäft, Casa Sulom

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Derungs Berthold, Malergeschäft, Casa Sulom has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Derungs Berthold, Malergeschäft, Casa Sulom 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%
Derungs Berthold, Malergeschäft, Casa Sulom scores 83.3 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).83.322%
Derungs Berthold, Malergeschäft, Casa Sulom scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Casa Sulom
7157 Siat

At a glance

Legal form
Sole proprietorship
UID
CHE-280.030.807
Founded
2011 · 15 years
Last commercial register change
April 27, 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.67.06%
  • 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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