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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionBellinzonaMetalcostruzioni Jelmini SA
Metalcostruzioni Jelmini SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Metalcostruzioni Jelmini SA manufactures custom metal constructions and produces windows, doors, gates, staircases, railings, facades, canopies and alarm systems. The company works with stainless steel, aluminium and glass and supplies fire-rated doors and balcony glazing among its products.

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Products & services

Industry:Metal Construction
✓ Offered6
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Metalcostruzioni Jelmini SA

Custom aluminium and glass windows
Windows, sliding units, skylights and shopfronts custom made; manual or automated openings, smart home integration, thermal and acoustic insulation, resistance to weather conditions.
Custom doors and gates
Custom-made doors, garage doors and gates, manual or automated; EI30 and E30 fire doors, tilt-up and sectional garage doors, swing and sliding gates.
Custom stairs and railings
Custom indoor and outdoor staircases, emergency stairs, railings made of steel, aluminium, stainless steel or glass for residential properties, commercial and industrial spaces.
Cladding, façades and outdoor structures
Cladding for façades, curtain and ventilated façades, canopies, car park shelters, winter gardens, sun-shading slats and shutters in aluminium alloy.
Internal partitions
Partition walls for offices, warehouses and shops in steel, glass or aluminium, to optimize interior spaces with greater privacy and acoustic insulation.
Burglar alarm systems
Design of burglar alarm systems for residential and commercial buildings, with remote-control integration and home automation systems.
Trust & reputation

ranQ Trust Score of Metalcostruzioni Jelmini SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Metalcostruzioni Jelmini 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%
Metalcostruzioni Jelmini 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%
Metalcostruzioni Jelmini 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%
Metalcostruzioni Jelmini SA scores 2.0 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 35.2.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Metalcostruzioni Jelmini 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 October 2026.

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

Knowledge

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Location

Via Maestri Comacini 16
6500 Bellinzona
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.121.230
Founded
1989 · 37 years
Last commercial register change
June 1, 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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