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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryElectrical IndustryGranges (Veveyse)Altervolt, Birbaum
Altervolt, Birbaum Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Altervolt is the development and manufacture of high-voltage isolation power supplies for electronic systems requiring high isolation, particularly for applications such as multi-level power supplies, drivers for high-voltage power semiconductors and high-side current monitoring.

AI-generated
Offering

Products & services

Industry:Electrical Industry
✓ Offered4
High-voltage and high-isolation power supplies
High-voltage and high-isolation power supplies for electronic systems, in particular for power electronics, medium-voltage applications and equipment with high insulation requirements.
Auxiliary power supplies for power electronics
Auxiliary power supplies for multilevel power converters, high-voltage power-semiconductor drivers and high-side current sensing, with high dielectric strength and low parasitic capacitance.
12V-12V-12kV isolated power supply
12V-12V-12kV power supply with reinforced insulation, 20 W of power, three regulated outputs and very low parasitic capacitance for fixed electrical installations.
12V-12V-16kV isolated power supply
12V-12V-16kV power supply with reinforced insulation, three regulated outputs, 20 W of power and very low parasitic capacitance; announced as coming soon.
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Altervolt, Birbaum

Trust & reputation

ranQ Trust Score of Altervolt, Birbaum

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Altervolt, Birbaum 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%
Altervolt, Birbaum scores 78.5 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%
Altervolt, Birbaum 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%
Altervolt, Birbaum scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Route de la Léchère 41
1614 Granges (Veveyse)

At a glance

Legal form
Sole proprietorship
UID
CHE-104.922.778
Founded
2001 · 25 years
Last commercial register change
July 22, 2019
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.
67.0
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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