Rhonexum
Rhonexum

Rhonexum

Measured by AhrefsDR16Ahrefs DR: 16/100. Bottom 25%. Measured by Ahrefs. Median 44.Measured by StartupHub.aiAgent38Agent Readiness: 38/100. Below median. Measured by StartupHub.ai. Median 41.Measured by StartupHub.aiTrust65Data Trust: 65/100. Above median. Measured by StartupHub.ai. Median 61.

Develops cryogenic electronics for quantum computing and other advanced applications.

2025Active4Lausanne, Switzerland

About

Rhonexum is a Swiss quantum technology startup that develops specialized electronics designed to operate reliably at cryogenic temperatures, close to absolute zero. These conditions are essential for quantum computing, where conventional electronics fail. By integrating proprietary models and software tools, Rhonexum designs components using standard semiconductor processes that can function directly within cryogenic environments.

Key facts

Website
rhonexum.com
Headquarters
Lausanne, Switzerland
Founded
2025
Employees
4
Total funding
$43K (Pre-Seed)
Business model
B2B

Funding rounds

Funding rounds raised by Rhonexum
DateRoundAmountLead investors
13 Feb 2026Pre-Seed$43KVenture Kick

Tech stack

Detected on rhonexum.com, last scanned 31 Oct 2026.

CMS / Builders
Webflow
CDN
Cloudflare
Email provider
Microsoft 365

Rhonexum scores 16. Does yours?

That is its Ahrefs DR: the backlink strength of a domain, on the Ahrefs 0 to 100 scale. Paste your website and you get yours in about a minute.

Add first review

Frequently asked

What does Rhonexum do?

This approach addresses a significant scalability challenge in quantum computing by bringing control electronics closer to quantum processors, leading to reduced system complexity and more compact, efficient architectures. The company was founded by Vicente Carbon and Dr. Hung-Chi Han, leveraging their expertise in cryogenic semiconductor physics, systems engineering, and deeptech industrialization.

Is Rhonexum trustworthy and reputable?

StartupHub's Data Trust & Reputation score for Rhonexum is 65 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.

How much funding has Rhonexum raised?

Rhonexum has raised a total of $43K in funding. The most recent round on record is Pre-Seed.

How many employees does Rhonexum have?

Rhonexum has approximately 4 people on record.

Public record

SEC filings, insider activity, nonprofit links and pay benchmarks for Rhonexum