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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCorgémontRenfer Sàrl Qualité et Service
Renfer Sàrl Qualité et Service Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Renfer Sàrl Qualité et Service is a construction company providing consulting, planning, installation and maintenance of heating systems (oil, gas, heat pumps, pellets, wood, solar). Its services also include sanitary installations, descaling of water heaters, chimney lining, ventilation, and general-contractor renovations supported by an in-house tiling unit and partner Sanitop Sàrl.

AI-generated
Offering

Products & services

✓ Offered3
Sanitary installations
Complete sanitary installations, descaling of water heaters, household appliances, conversion of bathrooms and kitchens as general contractor.
Heating systems of all types
Oil, gas, wood, pellet and log heating systems, heat pumps, solar installations, radiators, underfloor heating, burners and controls, flue lining and creation of chimneys, ventilation.
Renovations as general contractor
Conversion of bathrooms and kitchens as general contractor, including taking charge of renovations and coordination of the work.
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4.0/5

Renfer Sàrl Qualité et Service

Trust & reputation

ranQ Trust Score of Renfer Sàrl Qualité et Service: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Renfer Sàrl Qualité et Service scores 68.3 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.73.124%
  • 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.35.310%
  • 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.95.08%
Renfer Sàrl Qualité et Service scores 74.1 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.79.212%
  • 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%
Renfer Sàrl Qualité et Service 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%
Renfer Sàrl Qualité et Service scores 3.1 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 35.3.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Renfer Sàrl Qualité et Service reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Côtel 9
2606 Corgémont

At a glance

Legal form
Limited Liability Company
UID
CHE-145.777.255
Founded
2018 · 8 years
Last commercial register change
January 9, 2026
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.
88.0
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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