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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryElectrical IndustryLenzburgSwissSEM Technologies AG
SwissSEM Technologies AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of SwissSEM is the development and manufacturing of power semiconductor solutions, particularly for industrial applications and environmentally friendly mobility. The company focuses on designing and manufacturing advanced power semiconductor products to improve efficiency in industrial applications and promote the conversion of renewable energies.

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Products & services

Industry:Electrical Industry
✓ Offered4
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3.9/5

SwissSEM Technologies AG

Power semiconductors
Power semiconductors for industrial applications, renewable energies and electric vehicles; including IGBTs, FRDs, SiC-MOSFETs and SiC-SBDs as chips, discrete and modules.
Power module portfolio
Power modules in ED-, ST-, EP-, EVD-, HEEV-, BEVD- and FP-Type for phase-leg, H-Bridge, three-phase and three-level applications.
Bare-die and chip solutions
Bare-die and chip solutions with Silicon IGBTs, FRDs as well as SiC-MOSFETs and SiC-SBDs in different voltage and current classes.
Discrete semiconductors
Discrete semiconductors in the TO247 package, among others as SiC-based components for power applications.
Trust & reputation

ranQ Trust Score of SwissSEM Technologies AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

SwissSEM Technologies AG scores 49.8 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.68.224%
  • 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.17.610%
  • 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%
SwissSEM Technologies AG scores 83.6 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.75.012%
  • 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.90.07%
SwissSEM Technologies 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%
SwissSEM Technologies AG scores 57.1 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 35.57.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SwissSEM Technologies AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Dammweg 23
5600 Lenzburg
Opening hours
Mon
08:00 - 12:00, 13:00 - 18:00
Tue
08:00 - 12:00, 13:00 - 18:00
Wed
08:00 - 12:00, 13:00 - 18:00
Thu
08:00 - 12:00, 13:00 - 18:00
Fri
08:00 - 12:00, 13:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-147.600.538
Founded
2019 · 7 years
Last commercial register change
October 10, 2025
Employees
51 to 100
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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