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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesCormoretJ. Ganguillet Ferblanterie-Couverture Sàrl
J. Ganguillet Ferblanterie-Couverture Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of J. Ganguillet Sàrl encompasses various services in the construction sector, particularly: metalwork (including copper, stainless steel and other materials), roofing and maintenance, facade work, building insulation, installation of Velux windows and other skylights, lightning protection systems, installation of photovoltaic systems, installation of wood and pellet stoves, and interior renovations, including insulation, flooring and ceiling work. The company thus offers a wide range of services for the construction and maintenance of buildings.

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Products & services

Industry:Specialized Construction Activities
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4.1/5

J. Ganguillet Ferblanterie-Couverture Sàrl

✓ Offered
10
Sheet metal work
Sheet metal work in copper, stainless steel (INOX), matte INOX+, zinc, pre-weathered zinc or aluminium; gutters, downpipes, connecting fittings, cladding for low-slope roofs and flashings for dormers or eaves.
Roofing
Roofing with clay or concrete roof tiles, fibre-cement, roofing sheet metal and slate; roof inspections, necessary repairs and an annual inspection contract.
Insulation
Insulation of roofs and facades with wood fibre, stone wool, glass wool and other solutions suited to the needs and the project.
Eternit facades
Eternit fibre-cement facades with insulated substructure, different formats and a wide range of colours for durable facades.
Roof windows (Velux)
Manual, electric or solar roof windows; Velux shutters and blinds; replacement of all types of roof windows.
Lightning protection
Lightning protection installations to protect against lightning damage, carried out according to the updated AIB standards.
Photovoltaic panels
Sheet metal connections around photovoltaic systems and installation of solar tiles or integrated solar modules on the roof.
Wood stoves, pellet stoves
Sale of wood or pellet stoves, indoor and outdoor flue pipes, and all necessary connections on all types of stoves.
Roof maintenance, annual inspections
Maintenance and inspections of roofs to check the roof’s condition, prevent water infiltration and ensure regular monitoring.
Various interior renovations
Interior renovation with insulation of the attic spaces, installation of parquet and ceiling planks in line with the projects requested.
Trust & reputation

ranQ Trust Score of J. Ganguillet Ferblanterie-Couverture Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

J. Ganguillet Ferblanterie-Couverture 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.
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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%
J. Ganguillet Ferblanterie-Couverture Sàrl scores 74.1 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.79.212%
  • 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%
J. Ganguillet Ferblanterie-Couverture 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%
J. Ganguillet Ferblanterie-Couverture Sàrl scores 12.0 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 35.12.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

J. Ganguillet Ferblanterie-Couverture Sàrl reaches a ranQ Trust Score of 4.1 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

Vieille-Route 43
2612 Cormoret

At a glance

Legal form
Limited Liability Company
UID
CHE-207.063.586
Founded
2018 · 8 years
Last commercial register change
May 7, 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.88.06%
  • 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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