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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryIndustryElectrical IndustryBernMERSEN Schweiz AG
MERSEN Schweiz AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Mersen is the development and supply of electrical specialties and advanced materials for the high-tech industry. This includes in particular the areas of: developing customized solutions for customers, supplying key products for the high-tech industry, manufacturing products such as busbars, isostatic and extruded graphite, DC protection for electric vehicles and batteries, and applying products in various markets such as semiconductors, electric vehicles, energy storage, solar energy, wind power, railways and subways, aerospace, chemicals, buildings and infrastructure, power generation, transmission and distribution. Additionally, the company offers services such as simulation tools, on-site service, power stack design optimization, motor maintenance, professional training, and electrical testing laboratory.

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Offering

Products & services

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MERSEN Schweiz AG

Electrical Industry
✓ Offered9
Fuses and fuse switch disconnectors
Fuses, fuse holders, fuse switch disconnectors and accessories for low voltage, high voltage and medium voltage protection of electrical equipment and systems.
Surge protection
Surge protection devices and solutions to IEC and UL standards for electrical networks, building infrastructure and power distribution.
Bus bars and power distribution systems
Bus bars, power distribution blocks and engineered panels for power distribution, power electronics and industrial applications.
Cooling and heat exchangers
Cooling solutions, heat exchangers and related services using different materials and technologies for industrial and corrosive processes.
Graphite and composite materials
Isostatic and extruded graphite, corrosion-resistant materials, carbon/carbon composites and SSiC for high-temperature and chemical applications.
Carbon brushes and current collection systems
Carbon brushes, brush holders, brush gear housings, slip rings, industrial current collectors and signal and power transfer systems for motors, generators and rail applications.
DC protection for electric vehicles and batteries
DC fuses and protection components for electric vehicles and battery systems, including protection for batteries and EV applications.
Power electronics and conversion components
Power stacks, capacitors, cooling, high-power switches and components for power conversion in inverters and power electronics.
Industrial maintenance and services
On-site maintenance, motor maintenance, wind maintenance, generator maintenance, power stack design, simulation tools, test lab services and training.
Trust & reputation

ranQ Trust Score of MERSEN Schweiz 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.

MERSEN Schweiz 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%
MERSEN Schweiz AG scores 92.3 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.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.82.07%
MERSEN Schweiz 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%
MERSEN Schweiz AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

MERSEN Schweiz 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.

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Location

Galgenfeldweg 18
3006 Bern
Opening hours
Mon
09:00 - 16:00
Tue
09:00 - 16:00
Wed
09:00 - 16:00
Thu
09:00 - 16:00
Fri
09:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.487.671
Founded
1936 · 90 years
Last commercial register change
June 30, 2026
Employees
21 to 50
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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