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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesResearch & DevelopmentLausannePROUD SA
PROUD SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

PROUD SARL develops and manufactures innovative diamond solutions for various industries, including luxury goods, semiconductors, e-mobility, quantum computing, and aerospace. The company's core activity is the production of artificial diamonds (CVD diamonds) and their integration into various products, such as diamond heat sinks, diamond semiconductors, diamond sensors, and diamond-based power electronics. The goal is to harness the benefits of diamonds, including high thermal conductivity, high hardness, and low friction, for various applications.

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Offering

Products & services

Industry:Research & Development
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PROUD SA

✓ Offered5
Technology for thermal management of AI chips
Thermal management for 3D chip stacking, HPC-AI systems, edge-AI devices and data centres with diamond integration to reduce thermal resistance.
Diamond-based applications for medical and biotechnology
Coated medical implants, bioelectronic electrodes and diamond-based drug delivery systems for biocompatibility, stability and targeted drug delivery.
Diamond-based solutions for e-mobility
Battery cooling, power electronics and sensors for electric vehicles for heat dissipation, efficiency gains and monitoring of temperature, pressure and gas composition.
Diamond-based quantum components
Quantum sensors, quantum memories and quantum repeaters based on diamond and NV centres for measurement, storage and transmission of quantum information.
Diamond-based solutions for aerospace
Coatings for engine components, heat spreaders for electronics, optical windows and power amplifiers for more robust and efficient aerospace systems.
Trust & reputation

ranQ Trust Score of PROUD SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

PROUD SA 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%
PROUD SA scores 70.4 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.64.612%
  • 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%
PROUD SA 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%
PROUD SA scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

PROUD SA reaches a ranQ Trust Score of 4.0 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

Hier entsteht die Karte
Avenue de Tivoli 19Bis
1007 Lausanne

At a glance

Legal form
Corporation
UID
CHE-284.223.601
Founded
2021 · 5 years
Last commercial register change
July 2, 2026
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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