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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryIndustryEnergy IndustryPonte TresaTMC Transformers Group SA
TMC Transformers Group SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of TMC Transformers is the development, production and delivery of dry-type transformers for various industrial sectors, including power distribution, data centers, infrastructure, transportation, shipping, offshore oil and gas, mining, oil and gas, power generation, railway substations, solar and wind energy.

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Products & services

Industry:Energy Industry
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TMC Transformers Group SA

✓ Offered6
Dry-Type Transformers
Dry-type transformers for medium and low voltage power distribution, using cast resin and VPI technologies; designed for safety, energy efficiency, reliability and low maintenance.
Transformers for data centre
Transformers for data centres, including dry-type PDU transformers, low-voltage isolation transformers, medium-voltage distribution transformers and short-circuit tested solutions for auxiliary services.
Transformers for oil & gas
Transformers for oil and gas environments, including drilling platforms, production rigs and FPSO units, with cast resin or VPI technology, ATEX compliance and high protection levels.
Traction transformers
Dry-type traction transformers for railway applications, including high-speed trains, commuter and regional trains, locomotives, trams and metro systems.
Transformers for renewable energy applications
Dry-type transformers for solar PV, onshore and offshore wind, and battery energy storage systems, with solutions for inverter stations, PCS skids and grid integration.
Transformers for heavy industry
Dry-type transformers and inductors for heavy industry, with solutions for steel plants, cement factories, chemical processing, high-load motor operations and harsh environments.
Trust & reputation

ranQ Trust Score of TMC Transformers Group SA: 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.

TMC Transformers Group SA 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%
TMC Transformers Group SA scores 86.9 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.79.212%
  • 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.96.07%
TMC Transformers Group SA scores 83.3 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).83.322%
TMC Transformers Group SA scores 94.3 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 35.94.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

TMC Transformers Group SA 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

Lungo Tresa 30
6988 Ponte Tresa

At a glance

Legal form
Corporation
UID
CHE-288.489.078
Founded
2018 · 8 years
Last commercial register change
October 24, 2023
Employees
101 to 500
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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