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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesLicensing & Marketing of Intellectual PropertyLausanneRhonexum Sàrl
Rhonexum Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Rhonexum Sàrl develops cryogenic electronics for quantum computing and related applications. Its offering includes RX-IC, a cryogenic integrated circuit, and RX-Model, a SPICE-compatible model for simulating circuits at ultra-low temperatures.

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Offering

Products & services

Industry:Licensing & Marketing of Intellectual PropertyResearch & Development
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Rhonexum Sàrl

Technical Consulting & Engineering
✓ Offered2
Cryogenic Integrated Circuit (RX-IC)
Cryogenic integrated circuit for closer placement to the quantum processor, with shorter interconnects, reduced cable complexity, improved signal integrity, and scalable architectures.
Cryogenic Circuit Simulation Model (RX-Model)
SPICE-compatible compact model for cryogenic circuit simulation, using a physics-based method, numerically stable calculations, and support for multiple CMOS processes.
Trust & reputation

ranQ Trust Score of Rhonexum Sàrl: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 54% · As of October 2026

Rhonexum 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.
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%
Rhonexum Sàrl scores 50.8 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.25.012%
  • 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%
Rhonexum Sàrl 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%
Rhonexum Sàrl scores 33.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.33.34%
Qualifications+0.00

Rhonexum Sàrl reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». 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.

Press

Media

July 8, 2026Media
Rhonexum receives CHF 150,000 from Venture Kick
startupticker.ch
March 18, 2026Media
Rhonexum cryogenic electronics attracts USD 1 million investment
startupticker.ch

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Location

EPFL Innovation Park
1015 Lausanne

At a glance

Legal form
Limited Liability Company
UID
CHE-197.981.811
Founded
2025 · 1 year
Last commercial register change
May 15, 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.
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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