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Explore: Quantum Computing · Semiconductors · Pre-Seed · Switzerland

Rhonexum

pre-seed · 🇨🇭 Lausanne, Switzerland · Founded 2025

Website

Swiss startup developing cryogenic electronics for quantum computing and other applications using proprietary models and standard semiconductor processes. Rhonexum is a deeptech and quantum startup based in Lausanne, Switzerland, founded 2025, at pre-seed stage, with $1M raised to date.

Rhonexum is tracked live on Scout, Fusion42's database of newly funded startups — its profile updates as new rounds, backers and Wire analysis land.

Total raised

$1M

Stage

pre-seed

Business model

hardware

Target customer

Quantum computing companies, research institutions, and system integrators; potential applications in deep-space exploration and high-sensitivity sensing

Sectors

deeptechquantumquantum computingsemiconductorsaerospace

Key investors

QDNL Participations, Venture Kick, Swiss National Science Foundation (SNSF), Fondation pour l'Innovation Technologique (FIT)

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Frequently asked questions

What does Rhonexum do?
Swiss startup developing cryogenic electronics for quantum computing and other applications using proprietary models and standard semiconductor processes.
Where is Rhonexum based?
Rhonexum is based in Lausanne, Switzerland, founded in 2025.
How much has Rhonexum raised?
Rhonexum has raised $1M in tracked funding and is currently at the pre-seed stage.
Who has invested in Rhonexum?
Investors in Rhonexum include QDNL Participations, Venture Kick, Swiss National Science Foundation (SNSF) and Fondation pour l'Innovation Technologique (FIT).