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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionRiva San VitaleViola Metalcostruzioni SA
Viola Metalcostruzioni SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company specializes in the planning, manufacture and installation of metal constructions, particularly in the building industry. The core activities include the production of: aluminum and PVC windows and doors, aluminum and glass entrance doors, facades, glass and metal railings, stairs, gates, facade cladding, sectional doors, and maintenance of windows and doors. The company thus offers a wide range of metal constructions and products for the building industry.

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Offering

Products & services

Industry:Metal Construction
✓ Offered
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4.0/5

Viola Metalcostruzioni SA

7
Metal fabrication
Design, fabrication and installation of light and heavy metal framework for residential, commercial and industrial buildings; turnkey work with an in-house technical office.
Window frames
Manufacture and installation of PVC or aluminium window frames, with assessment of dimensions, thermal and acoustic insulation, appearance, cost, cleaning and maintenance.
Sliding glazing systems
Sliding glazing systems with large glass surfaces, in-line solutions, lift-and-slide and translatable options, designed for natural light, space saving and safety.
Entrance doors
Entrance doors in aluminium and glass, designed for security, resistance to the elements, style and reduced heat loss.
Curtain wall façades
Curtain wall systems in aluminium and glass for lightweight building envelopes, with greater brightness, thermal and acoustic insulation, protection from the weather and tailor-made solutions.
Balustrades
Internal and external balustrades in glass or iron, made to measure for balconies, staircases and other settings, focusing on safety, aesthetics and easy maintenance.
Window maintenance
Periodic maintenance of windows and window frames, with checks of hinges, hardware, locks, seals and adjustments to preserve tightness, performance and service life.
Trust & reputation

ranQ Trust Score of Viola Metalcostruzioni SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 88% · As of October 2026

Viola Metalcostruzioni SA scores 58.2 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.70.824%
  • 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.27.910%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Viola Metalcostruzioni 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%
Viola Metalcostruzioni 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%
Viola Metalcostruzioni SA scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Viola Metalcostruzioni SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 customer reviews. The data basis is 88%, 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Via Industria 11
6826 Riva San Vitale
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 15:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.506.391
Founded
1995 · 31 years
Last commercial register change
February 2, 2024
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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