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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionRootEM Blechtech AG
EM Blechtech AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of EM Blechtech AG is the development, manufacture and distribution of products for outdoor and exhaust air technology, particularly weather protection grilles, roof cowls, exhaust rain hoods, chimney cowls and other components for building equipment.

AI-generated
Offering

Products & services

Industry:Metal Construction
✓ Offered6
Outdoor air systems
Outdoor air, round and square, with louvre hood, louvre-column hood, column hood MLS, louvre cowl, and roof top with weather protection grille and sloped-roof weather protection grille.
Exhaust air hoods
Exhaust air, round and square, with rain hood, round and square, PERFORA-RONDO® FOL, PERFORA-QUADRA® FOL, column hood, exhaust air tower and discharge elbow.
AUL-FOL combinations
Combined outdoor air and exhaust air solutions in round and square design, including combined roof top DAWS, louvre hood EM-WLES-Kombiniert and further combinations.
Weather protection grilles
Weather protection grilles WS 50/30 and WSR 50, pressed weather protection grilles, horizontal and sloped-roof weather protection grilles as well as special weather protection grilles.
Chimney caps
Chimney caps for the matching chimney hood, listed in the product range as an overview.
Roof cowls
Roof cowls as collecting cowls with vertical air discharge, separating sheets, built-in duct pipe for sanitary ventilation and adjustable base height.
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4.1/5

EM Blechtech AG

Trust & reputation

ranQ Trust Score of EM Blechtech AG: 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.

EM Blechtech AG 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%
EM Blechtech AG 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%
EM Blechtech AG scores 83.3 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).83.322%
EM Blechtech AG scores 6.6 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 35.6.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

EM Blechtech AG 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.

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Location

Längenbold 18a
6037 Root

At a glance

Legal form
Corporation
UID
CHE-105.322.730
Founded
1999 · 27 years
Last commercial register change
June 28, 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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