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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsurancePension FundsUsterGemeinschaftsstiftung der Zellweger Luwa AG
Gemeinschaftsstiftung der Zellweger Luwa AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Gemeinschaftsstiftung der Zellweger Luwa AG is a foundation focused on air engineering and climate control solutions for the textile and other industries. The company develops and services systems for air handling, filtration, humidity and temperature control, and dust and fibre collection.

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Products & services

Industry:Pension Funds
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4.1/5

Gemeinschaftsstiftung der Zellweger Luwa AG

✓ Offered10
Systems and solutions for air engineering
Systems, plants and solutions for textile and industrial air engineering, Eco Engineering and Control Engineering; designed for climatic conditions, energy demand and operational safety.
Service and spare parts
Spare parts and accessories, Field Service and Maintenance, repairs, evaluations, contract maintenance, preventive maintenance as well as upgrades and retrofits for Luwa systems.
Fine dust control
Filter and extraction solutions for capturing dust and fibres, including Rotary Air Filter, Rotary Pleated Belt Filter and MCV.
Humidification and cooling
Air-Conditioning-Units for Humidification and Cooling to control air humidity and temperature in production environments.
Temperature control
Controls for controlling and monitoring temperature and climate-relevant process parameters in air and production systems.
Air distribution
Air-Distribution solutions for distributing air in industrial plants and in air engineering systems.
Fans
Axial Flow Fans for industrial air engineering, including design with carbon-fibre blades for performance and energy optimisation.
Spark detection
Spark-Detection systems for detecting sparks in air engineering and filtering installations.
Waste collection
Waste-handling solutions for collecting and transporting production waste in air-engineering process plants.
Machine cleaning / room cleaning
Cleaning and room-cleaning solutions for industrial buildings and facilities, including the Circulaire Fan for reducing dust deposits.
Trust & reputation

ranQ Trust Score of Gemeinschaftsstiftung der Zellweger Luwa AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 96% · As of October 2026

Gemeinschaftsstiftung der Zellweger Luwa AG scores 61.4 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.76.724%
  • 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.45.610%
  • 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%
Gemeinschaftsstiftung der Zellweger Luwa AG scores 84.9 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Gemeinschaftsstiftung der Zellweger Luwa 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%
Gemeinschaftsstiftung der Zellweger Luwa AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gemeinschaftsstiftung der Zellweger Luwa AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 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
5
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Weiherallee 11a
8610 Uster
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Foundation
UID
CHE-109.740.138
Founded
1940 · 86 years
Last commercial register change
September 8, 2026
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.97.06%
  • 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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