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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryElectrical IndustryWürenlosTranstop AG
Transtop AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Transtop AG is the development and manufacture of inductive components, in particular wound goods such as transformers, chokes and converters, as well as high-voltage transmitters.

AI-generated
Offering

Products & services

Industry:Electrical Industry
✓ Offered8
Inductive components & wound parts
Inductive components such as transformers, inductors, transformers, and other wound parts; development of custom special designs as well as prototype and series production.
High-voltage transformers
Vacuum-encapsulated, partial-discharge-free high-voltage transformers for gate-drive applications in industry and rail transport, including multiple isolated windings and shielding.
High-voltage transformer
Mains-operated high-voltage transformers with a secondary winding for high voltage, vacuum-encapsulated with epoxy or polyurethane casting compound.
High-frequency transformers
Transformers and coils for high-frequency engineering with special winding techniques, special designs and HF litz wire for customer-specific applications.
Transformers
Transformers for non-standard requirements, for example current transformers, push-pull, fly-back and encapsulated transformers; versions with ferrite core, transformer sheet metal or cut tape core.
Inductances
Simple or complex coils without a core, with a core or with specific air gaps; from small SMD coils to large housings/configurations.
Custom-wound components
Custom-wound components with ferrite or iron core, layer-wound or ring-wound, with or without insulation, tailored to the specific application.
Large-series production
Manufacturing products in large series; for price-sensitive applications also in cooperation with an Asian partner company and with additional in-operation testing.
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4.1/5

Transtop AG

Trust & reputation

ranQ Trust Score of Transtop 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.

Transtop 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%
Transtop 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%
Transtop 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%
Transtop AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Transtop 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.

Knowledge

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Location

Tägerhardring 7
5436 Würenlos
Opening hours
Mon
08:00 - 16:00
Tue
08:00 - 16:00
Wed
08:00 - 16:00
Thu
08:00 - 16:00
Fri
08:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-100.832.254
Founded
2000 · 26 years
Last commercial register change
August 16, 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

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