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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingMontpreveyresGraf-toiture SA
Graf-toiture SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Graf Toiture SA consists of carrying out work in the field of building envelopes, in particular: roofing (tile, slate, eternit, metal), sheet metal work and roofing, facade work (cladding, coverings), insulation of roofs, installation of roof windows (Velux etc.), renovation of buildings, manufacture of special parts (gutters, downspouts, metal chimneys etc.) and roof maintenance. The company also offers services in the field of energy efficiency and the application for subsidies for energy-related renovations.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered9
Roofing services
Roofing work for private clients, authorities and businesses in French-speaking Switzerland: roofing, sheet metalwork, roof windows, insulation and renovation.
Specialist for VELUX and roof windows
Installation, replacement, repair and maintenance of roof windows, sun screens and roller shutters, as a VELUX partner since 1970.
Roof tiling with tiles, slate, Eternit or metal
Installation and renovation of roofs with flat or mechanical tiles, concrete tiles, natural slate, Eternit and metal profiles for roof and façade.
Roof insulation
Thermal calculations, installation of a roof underlay and insulation for pitched or flat roofs, including procedures for obtaining subsidies.
Sheet metalwork and special parts
Workshop fabrication of metal coverings, sheet-metal components, decorative art pieces, finials, weathervanes, and moulded, embossed or stamped parts.
Roof maintenance
Annual maintenance or on request: inspection of the roof covering, sheet-metalwork, valleys (chéneaux), water drainage, welding seams and roof windows.
Ventilated facades
Installation of cladding and façade finishes as part of the building envelope and energy-efficient renovations.
Solar panels
Installation of solar panels in collaboration with heating contractors or electricians.
Urgent emergency repairs and work at height
Urgent emergency repairs, special interventions and work at height for particular roofing situations.
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4.3/5

Graf-toiture SA

Trust & reputation

ranQ Trust Score of Graf-toiture SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Graf-toiture SA scores 76.4 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.71.024%
  • 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.70.510%
  • 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.100.08%
Graf-toiture SA scores 85.5 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.55.07%
Graf-toiture SA scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
Graf-toiture SA 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

Graf-toiture SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 15 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
4.5
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle4.515
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rue du Village 29
1081 Montpreveyres
Opening hours
Mon
07:00 - 17:30
Tue
07:00 - 17:30
Wed
07:00 - 17:30
Thu
07:00 - 17:30
Fri
07:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.761.153
Founded
1984 · 42 years
Last commercial register change
June 30, 2021
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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