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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationCarouge GeM Etanchéité Sàrl
M Etanchéité Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of M Étanchéité Sàrl is to provide services in the construction industry, particularly in the following areas: Waterproofing (tightness): sealing of roofs, terraces and other building components; Sheet metal work: processing of sheet metal for roofs, gutters and other building components; Thermal insulation: insulation of buildings against heat loss; Renovation: renovation and refurbishment of existing buildings; Maintenance: maintenance and upkeep of buildings; Emergency service: provision of emergency services in the construction industry. The company offers these services to private, professional and industrial customers in the Romandy region (Western Switzerland).

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Products & services

Industry:Sealing & Insulation
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4.0/5

M Etanchéité Sàrl

7
Roof waterproofing & roofs
Waterproofing of flat roofs and terraces, new installation or renovation, with bituminous solutions, PVC membranes, epoxy resin, green roofs or gravel.
Thermal insulation
Thermal insulation for houses, villas, flat roofs and terraces, with tailor-made solutions suited to new-build sites and renovations.
Sheet metal work
Sheet metal work related to roofs and terraces, integrated into new-build and renovation sites, with roof penetrations and reinstatement.
Roof and terrace maintenance
Maintenance twice per year, waterproofing inspection, cleaning of roofs, gutters and downspouts, weeding and moss removal.
Emergency service
Immediate assistance in the event of damage to a flat roof or water ingress, with intervention on request for tenants, owners, property managers and real estate agencies.
New construction and renovation
Services for new builds and renovations in private, commercial and industrial sectors, with full project follow-up from design to execution.
Terraces & resin
Fitting out and waterproofing of terraces with different finishes, including paving slabs, wood and resins, for flat surfaces and roof terraces.
Trust & reputation

ranQ Trust Score of M Etanchéité Sàrl: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

M Etanchéité Sàrl scores 65.8 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.67.124%
  • 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.52.910%
  • 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.78.08%
M Etanchéité Sàrl scores 77.2 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.86.512%
  • 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%
M Etanchéité Sàrl scores 85.0 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).85.022%
M Etanchéité Sàrl scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

M Etanchéité Sàrl reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 7 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
4.4
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.47
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rue Baylon 20
1227 Carouge Ge
Opening hours
Mon
07:00 - 18:00
Tue
07:00 - 18:00
Wed
07:00 - 18:00
Thu
07:00 - 18:00
Fri
07:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-429.265.515
Founded
2016 · 10 years
Last commercial register change
November 21, 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.
88.0
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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