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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesRenens VdMermer Holding SA
Mermer Holding SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Mermer Holding SA provides sanitary and heating installation services. The company handles planning, installation, renovation, maintenance, and emergency repairs for sanitary and heating systems.

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Offering

Products & services

Industry:Plumbing & Building ServicesSpecialized Construction Installations
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3.7/5

Mermer Holding SA

Holding Companies
✓ Offered4
Sanitary Installations
Planning and installation of sanitary systems for new builds and renovations, including modern, water-efficient systems compliant with standards for comfort and durability.
Heating Installations
Installation of heating solutions such as heat pumps, boilers and underfloor heating for new builds, renovations and energy-efficient indoor comfort.
Analysis and Project Support
Needs analysis and support from concept to implementation, with advice on durable and efficient installation solutions.
Emergency and Repair Service
Rapid intervention for leaks, aging systems, heating faults and maintenance issues, with efficient and durable repairs.
Trust & reputation

ranQ Trust Score of Mermer Holding SA: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 54% · As of October 2026

Mermer Holding SA 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%
Mermer Holding SA scores 53.4 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.25.012%
  • 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%
Mermer Holding SA 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%
Mermer Holding SA scores 1.7 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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Mermer Holding SA reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». 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 de la Rueyre 116
1020 Renens Vd

At a glance

Legal form
Corporation
UID
CHE-283.313.710
Founded
2025 · 1 year
Last commercial register change
September 5, 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.
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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