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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy SuppliersSiebnenEW Wirth AG
EW Wirth AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

EW Wirth AG supports complex projects and processes in the field of systems engineering. The company advises on and accompanies projects involving complex systems, project management, and railway engineering topics.

AI-generated
Offering

Products & services

Industry:Energy Suppliers
✓ Offered8
Project management for complex large-scale projects
Lead interdisciplinary and geographically distributed projects, including task forces, risk management, solution development and support for tenders.
Systems Engineering
Systems engineering, system integration, integration of external systems, requirements management, as well as verification, validation and evidence management according to RAMS methodology.
Advisory for rail and railway infrastructure projects
Concepts and support for rail transport and railway infrastructure projects, rail operations, signalling, safety systems, ERTMS and ETCS.
Control engineering and rail control systems
Control engineering, train control devices, track brakes, wheel-rail system, slip control, anti-skid protection and anti-yaw protection for rail applications.
Commissioning and testing concepts
Commissioning and start-up concepts, testing concepts for FAT and SAT, and support for implementing complex systems.
Power plant and energy control engineering
Control engineering and monitoring for power plants, power plant monitoring systems, along with supporting software development and project direction.
Industrial automation
Industrial process automation, production concepts and operating processes, also for complex and safety-critical environments.
Safety and evacuation concepts
Incident management concepts, evacuation concepts and safety concepts for infrastructures, including in underground mining.
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4.1/5

EW Wirth AG

Trust & reputation

ranQ Trust Score of EW Wirth AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

EW Wirth AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
EW Wirth 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%
EW Wirth AG scores 83.3 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).83.322%
EW Wirth AG scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

EW Wirth AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Fabrikstrasse 28
8854 Siebnen

At a glance

Legal form
Corporation
UID
CHE-104.073.636
Founded
1913 · 113 years
Last commercial register change
October 21, 2014
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

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