ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsDübendorfWerdna AG
Werdna AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of WERDNA AG is the planning, installation and maintenance of supply systems for medical and high-purity gases as well as compressed air systems. This includes in particular the installation of high-purity gas supplies, gas supplies for laboratory and research, assembly of all medical supply lines and compressed air systems for industry, protection and rescue, and the pharmaceutical industry.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.0/5

Werdna AG

✓ Offered4
Medical gases
Medical gas supply systems for hospitals, practices and veterinary clinics; consultation, planning, installation, monitoring and emergency supply solutions for oxygen and other medical gases.
High-purity gases
High-purity gas installations for industry, laboratories and pharmaceutical production; consultation, planning and installation of high-purity gas systems to high quality standards.
Compressed air systems
Compressed air systems for medical, industrial and other demanding applications; provision of medical compressed air, systems for metal construction, laser systems, welding and emergency supply.
Service and maintenance
Maintenance, repair and commissioning of medical gas supply systems, take-off points, gas supply systems and filter stations; consultation, test reports and standard compliance checks.
Trust & reputation

ranQ Trust Score of Werdna AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Werdna AG scores 60.4 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.70.824%
  • 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.27.910%
  • 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.70.08%
Werdna 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%
Werdna AG scores 85.0 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).85.022%
Werdna AG scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Werdna AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Werdna AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Werdna AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Werdna AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Werdna AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Untere Geerenstrasse 2
8600 Dübendorf
Opening hours
Mon
08:00 - 11:30, 13:30 - 17:00
Tue
08:00 - 11:30, 13:30 - 17:00
Wed
08:00 - 11:30
Thu
08:00 - 11:30, 13:30 - 17:00
Fri
08:00 - 11:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.110.886
Founded
2002 · 24 years
Last commercial register change
April 6, 2022
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

    Similar companies

    AS
    ArON Services 244 GmbH
    Winterthur
    IA
    Invest-Technik AG
    Regensdorf
    AG
    amr-Airtec GmbH
    Regensdorf
    AG
    ASB Gebäudetechnik AG
    Fahrweid
    LA
    L. Alimi GmbH
    Neerach
    LK
    Leutwyler Kühlanlagen AG
    Bäretswil
    KW
    Karl Waechter AG
    Zurich
    CK
    CELSIO Kälte + Klima AG
    Dällikon