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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentWaste Management IndustryWürenlingenZwilag Zwischenlager Würenlingen AG
Zwilag Zwischenlager Würenlingen AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Zwilag Zwischenlager Würenlingen AG is the operation of disposal facilities for radioactive waste, in particular the storage and conditioning of low-, medium- and high-level radioactive waste as well as spent fuel elements.

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Products & services

Industry:Waste Management Industry
✓ Offered
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4.4/5

Zwilag Zwischenlager Würenlingen AG

4
Interim storage of radioactive waste
Interim storage of spent fuel elements, high-level waste, intermediate-level waste, and other radioactive waste from nuclear power plants, reprocessing, research, medicine, and industry.
Treatment of radioactive waste
Treatment of low-activity operational waste in the plasma plant, as well as pre-treatment to prepare radioactive waste for later disposal in a final repository.
Conditioning and decontamination of radioactive waste
Decontamination and conditioning of low-activity waste, including processing in the Conditioning Plant for safe interim and final storage.
Guided tours
Guided tours for groups to get a first-hand impression of the facility and a look behind the scenes, with registration required.
Trust & reputation

ranQ Trust Score of Zwilag Zwischenlager Würenlingen AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of October 2026

Zwilag Zwischenlager Würenlingen AG scores 79.8 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.77.024%
  • 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.70.510%
  • 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.100.08%
Zwilag Zwischenlager Würenlingen 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%
Zwilag Zwischenlager Würenlingen 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%
Zwilag Zwischenlager Würenlingen AG scores 71.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.43.34%
Qualifications+0.00

Zwilag Zwischenlager Würenlingen AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 15 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle4.715
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

January 14, 2026Media
Fast 1000 Fässer radioaktiven Abfalls wurden in Würenlingen verarbeitet
aargauerzeitung.ch
March 24, 2025Media
Atomabfall: Genug Platz im Zwilag für längere AKW-Laufzeit
blick.ch
December 6, 2024Media
Brandalarm im Atommüll-Zwischenlager im Aargau – laut Behörden besteht keine Gefahr
watson.ch
June 15, 2023Media
Neue Geschäftsführung für das Zwilag in Würenlingen AG ernannt
nau.ch
December 1, 2020Media
Brandalarm im Atommüll-Zwischenlager in Würenlingen
badenertagblatt.ch

Knowledge

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Location

Industriestrasse Beznau 1
5303 Würenlingen
Opening hours
Mon
07:00 - 18:00
Tue
07:00 - 18:00
Wed
07:00 - 18:00
Thu
07:00 - 18:00
Fri
07:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.539.242
Founded
1990 · 36 years
Last commercial register change
September 21, 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.100.06%
  • 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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