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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionUrdorfWEMA Glas- und Metallbau AG
WEMA Glas- und Metallbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of WEMA AG is the planning, manufacturing and assembly of glass roofs, glass facades, skylights and shed glazing. The company offers individual custom-made products and focuses on sustainable future security through profit optimization.

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Offering

Products & services

Industry:Metal Construction
✓ Offered
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WEMA Glas- und Metallbau AG

4
Glass facades
Mullion-and-transom facades for new builds, refurbishments and complex building envelopes, including consulting, detail design and execution with suitable profile systems.
Glass roofs and skylights
Glass roofs, roof glazing and skylights for new builds and refurbishments, including project-specific solutions, heritage sites and work while operations continue.
Fall-through and hail protection systems
Certified protection systems for polycarbonate multiwall sheets in new builds and retrofits, optionally also with railings or grilles.
Motor openers
Motor openers for roof hatches, skylights and windows, as 230 V and 24 V drives in rack, spindle and chain versions, also for smoke and heat exhaust systems.
Trust & reputation

ranQ Trust Score of WEMA Glas- und Metallbau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

WEMA Glas- und Metallbau AG scores 63.8 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.74.424%
  • 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.49.510%
  • 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.50.08%
WEMA Glas- und Metallbau AG scores 89.3 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.70.07%
WEMA Glas- und Metallbau AG 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%
WEMA Glas- und Metallbau 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

WEMA Glas- und Metallbau AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 6 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
4.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.86
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

In der Luberzen 40
8902 Urdorf
Opening hours
Mon
07:30 - 12:00, 13:00 - 16:30
Tue
07:30 - 12:00, 13:00 - 16:30
Wed
07:30 - 12:00, 13:00 - 16:30
Thu
07:30 - 12:00, 13:00 - 16:30
Fri
07:30 - 12:00, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.394.674
Founded
2001 · 25 years
Last commercial register change
February 12, 2026
Employees
11 to 20
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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