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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesCerniat FrLaurent et Bernard Charrière Sàrl, Installations chauffage et sanitaire
Laurent et Bernard Charrière Sàrl, Installations chauffage et sanitaire Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Laurent et Bernard Charrière Sàrl, Installations chauffage et sanitaire provides complete installation, maintenance and emergency repair services for heating and sanitary systems, water supply and ventilation.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered4
Sanitary
Complete installation, servicing and troubleshooting of all sanitary installations; pipework, fitting of appliances and water softeners, leak detection, drain clearing, boiler maintenance.
Heating
Troubleshooting, servicing and complete installation of heating systems; heat pumps, solar panels, heat generation with gas, heating oil and wood.
Water supply
Installation, servicing and troubleshooting of municipal and private water networks; water distribution, water intake, cisterns, pumping, pressure boosting and small wastewater treatment plants.
Ventilation
Installation, servicing and troubleshooting of ventilation for villas, apartment buildings and public buildings; controlled ventilation, single-flow and gentle double-flow ventilation.
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4.1/5

Laurent et Bernard Charrière Sàrl, Installations chauffage et sanitaire

Trust & reputation

ranQ Trust Score of Laurent et Bernard Charrière Sàrl, Installations chauffage et sanitaire: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Laurent et Bernard Charrière Sàrl, Installations chauffage et sanitaire 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.
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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%
Laurent et Bernard Charrière Sàrl, Installations chauffage et sanitaire scores 83.0 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%
Laurent et Bernard Charrière Sàrl, Installations chauffage et sanitaire scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Laurent et Bernard Charrière Sàrl, Installations chauffage et sanitaire scores 2.3 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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Laurent et Bernard Charrière Sàrl, Installations chauffage et sanitaire reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Chemin du Borgeat 4
1654 Cerniat Fr

At a glance

Legal form
Limited Liability Company
UID
CHE-112.825.522
Founded
2006 · 20 years
Last commercial register change
January 16, 2025
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.88.06%
  • 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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