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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesBuilding installationGranges VsD'Alessio Frères SA
D'Alessio Frères SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

D'Alessio Frères SA is a metalworking company providing manufacture and installation of doors, gates and metal structures. Services include residential and industrial garage doors (tilt and sectional), sliding and rolling doors, gates and barriers, fences, railings, canopies and steel frames, with options for automation, glazing and surface treatments.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Building installation
✓ Offered8
Garage doors
Residential and industrial garage doors, tilting, sectional, sliding, roller, hinged, accordion, side-hinged or rapid doors, automated or not.
Gates
Industrial and made-to-measure gates, automated or not, with infill to suit your needs, as well as wrought-iron gates, pedestrian gates and swing gates.
Barriers and guardrails
Barriers in stainless steel/steel, glass, wrought iron, aluminium or stainless cable, with different coatings and treatments, for indoor and outdoor use.
Fencing
Industrial flexible or rigid fences, design fencing in aluminium, steel or stainless steel, as well as simple twist mesh and rigid mesh.
Closures and partitions
Windproof balcony partitions, enclosures for winter gardens, interior partitions and shopfronts, with steel, stainless-steel or aluminium structures and glazing.
Canopies and eaves
Eaves, awnings, carports and terrace covers in stainless steel or steel, with coatings suited to requirements.
Stair railings
Stair railings without stringers or with stringers, in steel, stainless steel or for pools, with galvanising or powder coating and customised finishes.
Metal frameworks and halls
Halls and steel frameworks, with galvanising or powder coating and coatings as required, as well as various metalwork.
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4.1/5

D'Alessio Frères SA

Trust & reputation

ranQ Trust Score of D'Alessio Frères SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

D'Alessio Frères SA 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.
x
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%
D'Alessio Frères 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%
D'Alessio Frères 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%
D'Alessio Frères SA 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

D'Alessio Frères SA 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Route du Moulin 27
3977 Granges Vs

At a glance

Legal form
Corporation
UID
CHE-107.386.959
Founded
1992 · 34 years
Last commercial register change
August 17, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • VSSierre
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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