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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationContheyIsotec étanchéité Sàrl
Isotec étanchéité Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Isotec Étanchéité Sàrl consists of carrying out work in the field of building airtightness and insulation, particularly: * Airtightness: Carrying out work to seal roofs, balconies, terraces and other surfaces against water and moisture, including the use of products such as resin and bitumen. * Thermal insulation: Carrying out work to insulate buildings, including the installation of insulation materials and the maintenance of existing insulation. * Roofing: Carrying out work on roofs, including the construction of green roofs, roof maintenance and the removal of moss and other damage. The company also offers an emergency service for urgent cases and is able to intervene within a day.

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Products & services

Industry:Sealing & Insulation
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4.1/5

Isotec étanchéité Sàrl

7
Waterproofing
Waterproofing work, maintenance and breakdown service for balconies, roofs and terraces; installation of resin, bituminous products and various coatings.
Thermal insulation
Work, installation, maintenance and breakdown service for thermal insulation of buildings; insulation of residences, apartment blocks, country houses, villas and chalets with flat roofs.
Roofing
Construction, waterproofing and maintenance of bare or green roofs; moss removal, work on flat roofs and interventions on all types of buildings.
Roof and terrace maintenance
Routine maintenance of roofs and terraces, with maintenance and repair interventions as required by the building.
Green roofs
Creation of green roofs for houses, apartment buildings and other buildings, with associated waterproofing work.
Concrete slab terraces
Construction of custom concrete slab terraces, with waterproofing and adaptation to the building.
LUX-top® fall protection
Installation of LUX-top® fall protection, safety barriers and lifelines to secure access and work on the roof.
Trust & reputation

ranQ Trust Score of Isotec étanchéité Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Isotec étanchéité Sàrl scores 73.2 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.78.124%
  • 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.49.510%
  • 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%
Isotec étanchéité Sàrl scores 79.8 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.92.512%
  • 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%
Isotec étanchéité 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%
Isotec étanchéité Sàrl 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

Isotec étanchéité Sàrl reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 6 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
5
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route des Rottes 8
1964 Conthey
Opening hours
Mon
07:00 - 12:00, 13:00 - 22:00
Tue
07:00 - 12:00, 13:00 - 22:00
Wed
07:00 - 12:00, 13:00 - 22:00
Thu
07:00 - 12:00, 13:00 - 22:00
Fri
07:00 - 12:00, 13:00 - 22:00
Sat
07:00 - 12:00, 13:00 - 22:00
Sun
07:00 - 12:00, 13:00 - 22:00

At a glance

Legal form
Limited Liability Company
UID
CHE-166.003.484
Founded
2014 · 12 years
Last commercial register change
November 5, 2018
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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