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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationCorpatauxETSA ETANCHEITE S.A.
ETSA ETANCHEITE S.A. Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of ETSA Etanchéité SA is the execution of works in the field of roof and building sealing, including: * Roof sealing (flat and pitched) * Ferblanterie (metalwork for roofs and facades) * Sealing of terraces and balconies * Sealing of underground structures * Green roof works * Thermal balancing of buildings (CECB) The company offers these services to private and commercial customers in the cantons of Fribourg and Vaud.

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Offering

Products & services

Industry:Sealing & Insulation
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4.1/5

ETSA ETANCHEITE S.A.

✓ Offered8
Waterproofing works
Waterproofing works for roofs, terraces, balconies and buried structures; treatment of water ingress, waterproofing on flat and pitched roofs.
Sheet metal roofing and covering
Sheet metal work, roof coverings and roof cladding; work on pitched roofs, bare roofs, gravel roofs, zinc cladding and façade elements.
Roof insulation
Roof insulation and improved thermal performance; interventions related to water ingress issues, waterproofing and insulation on flat and pitched roofs.
Green roofs
Creation of green roofs on new-build and renovated buildings, in combination with waterproofing and sheet metal work.
Roof refurbishment
Refurbishment of existing roofs, including restoration, renovation of roofs and parapets, and adaptation to energy standards.
Waterproofing of balconies and terraces
Waterproofing of balconies, terraces and parking slabs, with installation of topping slabs (dallettes) and related works on external structures.
Buried waterproofing
Buried waterproofing for apartment buildings and underground structures, with works related to balconies, roofs and parking depending on the sites.
CECB thermal balance
Preparation of a CECB thermal balance for buildings, in addition to waterproofing, insulation and renovation works.
Trust & reputation

ranQ Trust Score of ETSA ETANCHEITE S.A.: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

ETSA ETANCHEITE S.A. scores 60.0 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.49.324%
  • 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.63.210%
  • 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.88.08%
ETSA ETANCHEITE S.A. scores 92.3 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.82.07%
ETSA ETANCHEITE S.A. 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%
ETSA ETANCHEITE S.A. scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ETSA ETANCHEITE S.A. reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 out of 5 stars from 11 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
3.7
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle3.711
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route des Chênes 58
1727 Corpataux
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:30
Tue
07:00 - 12:00, 13:00 - 17:30
Wed
07:00 - 12:00, 13:00 - 17:30
Thu
07:00 - 12:00, 13:00 - 17:30
Fri
07:00 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.773.842
Founded
1989 · 37 years
Last commercial register change
December 3, 2025
Employees
21 to 50
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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