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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionBedanoColam Costruzioni Lamiera SA
Colam Costruzioni Lamiera SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of COLAM S.A. consists of metal processing, particularly in the manufacture of iron, steel and sheet metal constructions, as well as in the production and assembly of technical installations and equipment for ventilation and air conditioning. This also includes specialized services such as plasma metal cutting, the production of ventilation ducts, silencers, air conditioning systems and other equipment for building technology.

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Products & services

Industry:Metal Construction
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Colam Costruzioni Lamiera SA

✓ Offered
7
Ventilation
Ventilation ducts, Spiro tubes, control dampers, silencers, ventilation grilles and sound-attenuating grilles for ventilation systems.
Chimney flues
Construction and installation of chimney flues, with Chinese or lamella-style terminal caps in different materials and diameters.
Gates and railings
Gates made of iron, wrought iron and with automatic systems; external railings with slope and in stainless steel, also made with designs and decorations.
Repairs and welding
Repairs and welding with continuous seam, electrode and TIG on iron, stainless steel, aluminium, copper and cast iron, also on site.
Air conditioning
Residential, commercial and central air conditioning, with systems for air quality.
Heat pumps
Heat pumps for heating and cooling with radiant panels, air terminal units and low-temperature radiators.
Plasma cutting
Cutting of iron, stainless steel, aluminium and copper with work on different types of material.
Trust & reputation

ranQ Trust Score of Colam Costruzioni Lamiera SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Colam Costruzioni Lamiera SA scores 61.2 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.60.724%
  • 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.40.910%
  • 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.88.08%
Colam Costruzioni Lamiera 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%
Colam Costruzioni Lamiera SA scores 85.0 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).85.022%
Colam Costruzioni Lamiera 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

Colam Costruzioni Lamiera SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 4 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
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle44
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Via Industrie 6
6930 Bedano
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.967.091
Founded
1980 · 46 years
Last commercial register change
November 20, 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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