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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesDietikonWemalux Tageslichttechnik AG
Wemalux Tageslichttechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Wemalux Tageslichttechnik AG offers products and services for daylighting systems, including skylights and rooflights. The portfolio also includes smoke extraction and ventilation systems (RWA), fall-through protection, and service and maintenance.

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Products & services

Industry:Specialized Construction ActivitiesGlaziery
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4.0/5

Wemalux Tageslichttechnik AG

✓ Offered5
Light domes
Light domes for flat roofs, with modular system WEMALUX/WEMAFLAP, various glazing variants, thermally separated aluminium frames and retrofit opening systems or roof access hatches.
Light band systems
Light band systems for large buildings and flat roofs, with aluminium profiles, various covering variants, statically optimised supports and combination with smoke exhaust or ventilation.
Smoke & heat ventilation (RWA)
Openable rooflights for smoke and heat exhaust as well as daily ventilation, including retrofitting fixed elements to openable ones and various drive types.
Fall-through protection
Fall-through protection for rooflights and light domes, also for retrofitting existing installations, with products such as LIFE-NET and LIFE-GUARD for new builds and refurbishment projects.
Service & maintenance
Maintenance and repair of smoke and heat exhaust systems and rooflights, including annual inspection, repairs, spare parts and retrofitting of fixed elements.
Trust & reputation

ranQ Trust Score of Wemalux Tageslichttechnik AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Wemalux Tageslichttechnik AG scores 57.6 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.72.124%
  • 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.35.08%
Wemalux Tageslichttechnik 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%
Wemalux Tageslichttechnik AG scores 83.3 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).83.322%
Wemalux Tageslichttechnik AG scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Wemalux Tageslichttechnik AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 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
4.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Lagerstrasse 8
8953 Dietikon
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-114.332.555
Founded
2008 · 18 years
Last commercial register change
April 17, 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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