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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesChailly-MontreuxMuller Sàrl
Muller Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Muller Sàrl provides installation, maintenance and repair services for heating and sanitary systems, covering new-build and renovation projects, boiler replacement, rapid repairs and ongoing maintenance. The company serves private clients, businesses and property professionals.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Sanitary installations
Complete sanitary installations for new builds and renovations, including bathroom renovations, sanitary troubleshooting, maintenance and after-sales service.
Heating systems
Heating systems for new buildings and renovations, replacement of boilers, modernisation of installations, troubleshooting and maintenance.
Heat pumps
Air-to-water and geothermal heat pumps, integrated into heating systems and energy renovations.
Bathroom renovations
Bathroom renovations as part of sanitary installations and renovation projects.
Troubleshooting and maintenance
Sanitary and heating troubleshooting, maintenance of the installations and after-sales service interventions.
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3.8/5

Muller Sàrl

Trust & reputation

ranQ Trust Score of Muller Sàrl: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of October 2026

Muller Sàrl 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%
Muller Sàrl scores 61.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.50.012%
  • 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%
Muller Sàrl 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%
Muller Sàrl scores 5.1 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 35.5.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Muller Sàrl reaches a ranQ Trust Score of 3.8 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 des Ecoliers 1
1816 Chailly-Montreux

At a glance

Legal form
Limited Liability Company
UID
CHE-433.358.887
Founded
2023 · 3 years
Last commercial register change
August 18, 2023
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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