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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesResearch & DevelopmentLausannePIEMACS Sàrl
PIEMACS Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Piemacs Sàrl is the development and manufacturing of micro-electromechanical systems (MEMS) based on the piezoelectric effect, particularly in the deposition of piezoelectric thin films on various substrates such as metal, polymer and silicon. The company also offers services such as characterization, prototyping and technology development, and develops innovative solutions for the production of sensors and actuators.

AI-generated
Offering

Products & services

Industry:Research & Development
✓ Offered1
Zero-Mass Vibration Sensor for Predictive Maintenance
Zero-mass MEMS sensor package with embedded AI for predictive maintenance, detecting strain signals inside machines, forecasting failures, and delivering prioritized alerts to dashboards or CMMS.
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4.1/5

PIEMACS Sàrl

Trust & reputation

ranQ Trust Score of PIEMACS Sàrl: 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.

PIEMACS Sàrl 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%
PIEMACS Sàrl scores 77.2 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.86.512%
  • 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%
PIEMACS Sàrl 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%
PIEMACS Sàrl scores 8.6 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 35.8.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

PIEMACS Sàrl 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

EPFL Innovation Park, Bâtiment C
1015 Lausanne

At a glance

Legal form
Limited Liability Company
UID
CHE-473.787.326
Founded
2016 · 10 years
Last commercial register change
July 19, 2024
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.
88.0
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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