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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringEschenbach LuBD Trafo AG
BD Trafo AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of BD Trafo AG is the development, manufacture and distribution of transformers and chokes, including specific solutions for mechanical engineering, switchgear construction, railway technology and power supplies. The company offers a wide range of products, including single-phase and three-phase transformers, ring core transformers, chokes, control transformers, power quality systems, voltage stabilizers and voltage dip compensators.

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Offering

Products & services

Industry:Technical Consulting & EngineeringElectrical Industry
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3.8/5

BD Trafo AG

✓ Offered5
Transformers and chokes
Single- and three-phase transformers as well as chokes, custom-designed for mechanical engineering, switchgear manufacturing, power supply and other applications.
Standard products
Single-phase control transformers, autotransformers, isolation transformers, tap transformers for fan motors and switch-mode power supplies as standardised designs.
Power-quality systems
Systems for voltage stabilisation and for bridging voltage dips caused by fluctuations, undervoltage or overvoltage in the grid.
Rental of variable transformers / AC voltage sources
Rental equipment for variable transformers and AC voltage sources for projects, tests, commissioning and trials, available short- or long-term.
3D designs
3D models and STEP files for transformers and chokes on customer order, including dimensional drawings and photorealistic renderings.
Trust & reputation

ranQ Trust Score of BD Trafo AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

BD Trafo AG scores 56.8 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.73.124%
  • 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.35.310%
  • 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.35.08%
BD Trafo AG scores 78.3 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.83.012%
  • 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%
BD Trafo AG 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%
BD Trafo AG scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BD Trafo AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Rothli-Park 7
6274 Eschenbach Lu
Opening hours
Mon
07:30 - 11:30, 13:00 - 17:00
Tue
07:30 - 11:30, 13:00 - 17:00
Wed
07:30 - 11:30, 13:00 - 17:00
Thu
07:30 - 11:30, 13:00 - 17:00
Fri
07:30 - 11:30, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-465.518.959
Founded
2017 · 9 years
Last commercial register change
September 28, 2017
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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