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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationRotkreuzWiederkehr & Villiger AG
Wiederkehr & Villiger AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Wiederkehr & Villiger AG is an engineering firm specializing in the planning, design and execution of railway electrification projects. The core activities include: planning and design of railway electrification systems, permitting procedures and construction projects, execution projects and construction management, commissioning of railway electrification systems, and specific services such as return conductor systems, railway earthing, switching systems, overhead line control systems, overhead lines and catenaries, traction power supply and safety-relevant work. The company focuses on the technical planning and implementation of railway electrification projects and does not offer general engineering services.

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Products & services

Industry:Electrical Planning & Installation
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Wiederkehr & Villiger AG

✓ Offered8
Engineering office for railway electrification
Planning, project design, approval procedures, construction projects, execution projects, site supervision and commissioning in the field of railway electrification.
Overhead line and catenary planning
Overhead traction line and catenary, multi-voltage AC/DC systems with power feed to the catenary, recording the contact wire position with a laser measuring device.
Railway power supply and switchgear
Railway power supply, switchgear and switching stations for railway facilities and electrical overhead line infrastructure.
Railway earthing and return conductor systems
Return conductor systems and railway earthing for electrical safety and the proper functioning of railway lines and facilities.
Overhead line control systems
Overhead line control systems for controlling and operating electrified railway infrastructure.
Service and depot facilities
Planning and project design of service and depot facilities in the context of railway electrification.
Mast and portal calculations
Calculations for masts and portals as a structural and technical basis for overhead line and catenary systems.
Safety-relevant key interlocking systems
Safety-relevant key interlocking systems for railway infrastructure facilities.
Trust & reputation

ranQ Trust Score of Wiederkehr & Villiger AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Wiederkehr & Villiger 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.
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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%
Wiederkehr & Villiger AG scores 87.8 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.89.612%
  • 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.82.07%
Wiederkehr & Villiger 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%
Wiederkehr & Villiger AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Wiederkehr & Villiger 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

Riedstrasse 1
6343 Rotkreuz
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-470.220.690
Founded
2015 · 11 years
Last commercial register change
July 21, 2023
Employees
21 to 50
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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