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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInsulationMézières FrRaphaël Dumas & Fils SA
Raphaël Dumas & Fils SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Raphaël Dumas & Fils SA is a painting and plastering contractor. Its services include interior and exterior finishes, façade renovation, roof maintenance, façade insulation and glass protection.

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Service area

Offering

Products & services

Industry:InsulationPainter
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4.1/5

Raphaël Dumas & Fils SA

Plasterer
✓ Offered7
Exterior finishing
Acrylic, mineral or lime paint; work on old buildings, listed buildings and new constructions, with facade refreshing and perimeter insulation.
Interior finishing
Wallpaper, sable effects, beton cire, decorative paint, decorative wallpaper, plaster finishes and long-lasting temporary protection.
Facade renovation
Renovation of wooden or traditional facades, improvement of insulation, assistance with the subsidy application related to refurbishment work.
Facade insulation
Perimeter insulation, thermal insulating paint Therma Cote, improvement of energy efficiency, subsidy procedures for insulation work.
Plastering
Sprayed plaster for walls and ceilings, suspended ceilings, lightweight partition walls or plaster blocks, acoustic ceilings.
Roof maintenance
High-pressure washing of roofs, algicide treatment, installation of anti-bird spikes to limit soiling and nuisances.
Glazing protection
Temporary protective paint for glazing and other surfaces, protection against scratches, abrasion and soiling, easy removal without traces after the job.
Trust & reputation

ranQ Trust Score of Raphaël Dumas & Fils SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

Raphaël Dumas & Fils SA scores 71.1 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.84.824%
  • 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.67.110%
  • 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%
Raphaël Dumas & Fils SA scores 78.6 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.75.012%
  • 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%
Raphaël Dumas & Fils SA 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%
Raphaël Dumas & Fils SA scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Raphaël Dumas & Fils SA 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 13 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 13 reviews across all connected sources

Sources
GGoogle513
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Chemin du Payet 6
1684 Mézières Fr
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 12:15 - 15:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-318.430.577
Founded
2019 · 7 years
Last commercial register change
June 5, 2023
Employees
11 to 20

Active in 1 of 26 cantons

  • FRFribourg
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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