Rhonexum
Embrace Cryogenic Environments
Lausanne, Switzerland · Founded 2025 · $1.0M raised
- Headquarters
- Lausanne
- Employees
- 1–10
- Founded
- 2025
- Business Model
- B2B
- Website
- rhonexum.com
- Total Funding
- $1.0M
- Last Round
- $1.0M Pre-SeedMar 2026
- Rounds
- 1
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Rhonexum is an EPFL spin-out developing cryogenic electronics that operate near absolute zero temperatures, enabling scalable quantum computing hardware. The company uses proprietary models and standard semiconductor processes to design components that function within cryogenic environments, addressing a key scalability bottleneck in quantum systems. Product lines include cryogenic integrated circuits (RX-IC), simulation tools (RX-MODEL), and automated measurement systems (RX-AMS). Founded in November 2025, Rhonexum raised $1 million in pre-seed funding led by QDNL Participations with support from Venture Kick and Swiss innovation programs.
Summary
Rhonexum is a Quantum Computing company based in Lausanne, Switzerland, founded in 2025. It has raised $1.0M in total across 1 round, most recently a $1.0M Pre-Seed round in Mar 2026. Investors include Venture Kick.
Tech & App Stack
4 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Mar 2026
Investors
Similar Companies
Quantum computing company developing the world's first commercially useful, fault-tolerant quantu...
SandboxAQ is a B2B enterprise SaaS company that combines AI and quantum technologies to address c...
Quantinuum is the world's largest integrated quantum computing company, developing trapped-ion qu...
Quantum Computing Inc. is an integrated photonics company providing accessible quantum machines a...
Appears in
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/rhonexum"><img src="https://indexed.vc/api/badge/company/rhonexum" alt="Rhonexum on Indexed.vc" width="260" height="76" /></a>