Rhonexum reinvents electronics below -270°C, delivering cutting-edge cryogenic circuits and simulation tools for quantum computing and advanced technologies.
Location: Switzerland
Total raised: $1.2M
Investors 1
| Date | Name | Website |
| 10.12.2025 | Venture Ki... | venturekic... |
Funding Rounds 2
| Date | Series | Amount | Investors |
| 08.07.2026 | Seed | $186.02K | Venture Ki... |
| 18.03.2026 | Pre-Seed | $1.01M | Venture Ki... |
Mentions in press and media 10
| Date | Title | Description |
| 09.07.2026 | Rhonexum Secures Funding for Cryogenic Quantum Innovation | Rhonexum, an EPFL spin-off, revolutionizes quantum computing. It develops cryogenic electronic chips. These chips operate directly with qubits. This breakthrough tackles quantum scalability issues. Current systems struggle with external ele... |
| 08.07.2026 | Rhonexum receives CHF 150,000 from Venture Kick | Quantum computers rely on qubits, highly sensitive components that must be kept colder than outer space. Today the electronics that control those qubits sit outside the cooling system, adding complexity and limiting how many qubits can be ... |
| 08.07.2026 | Rhonexum receives CHF 150,000 from Venture Kick to make cryogenic microchips extremely easy | Quantum computers rely on qubits, highly sensitive components that must operate at temperatures colder than outer space. Today, the electronics that control these qubits remain outside the cooling system, creating technical limitations that... |
| 20.03.2026 | Commission presents flawed EU Inc., Upvest raises $125M, and UK government pledges £1BN quantum computing investment | Big news this week as the European Commission presented its proposal for EU Inc., a new single set of corporate rules that will serve as the cornerstone and starting point for the EU's 28th regime. As a journalist, well, I’m pleased and fru... |
| 19.03.2026 | Rhonexum Secures $1M for Cryogenic Electronics, Powering Quantum Future | Rhonexum, a Swiss deep tech innovator, raised $1 million in pre-seed funding. They specialize in cryogenic electronics. This technology allows standard semiconductors to function near absolute zero. Such extreme cold is vital for quantum co... |
| 18.03.2026 | Lausanne-based Rhonexum raises €867.5k to advance cryogenic electronics for scalable quantum computing | Rhonexum, a Lausanne-based cryogenic electronics startup, has raised €867.5k ($1 million) in pre-Seed funding to accelerate product development and begin to commercialise its first product, designed to drive the development of scalable quan... |
| 18.03.2026 | Rhonexum secures $1M to scale cryogenic electronics for quantum computing | Swiss quantum technology startup Rhonexum has raised $1 million in pre-seed funding, led by QDNL Participations, with participation from Venture Kick and additional grant support. Based in Lausanne and spun out of EPFL’s AQUA Lab, Rhonexum ... |
| 18.03.2026 | Rhonexum cryogenic electronics attracts USD 1 million investment | Swiss deep tech Rhonexum develops electronics that can operate at cryogenic temperatures close to absolute zero. These temperatures are essential for technologies such as quantum computing, but conventional electronics cannot reliably func... |
| 20.01.2026 | Startups rely on each other’s strengths | Wyden, the global leader in institutional digital asset trading technology, and Taurus, a leading provider of enterprise-grade digital asset infrastructure, have inked a strategic partnership that allows integrating their platforms: Wyden ... |
| 27.08.2025 | Four UNIL and EPFL Startup Projects awarded FIT Tech Grants | Hevelion: spatial omics for new targeted therapies Hevelion is developing an AI-powered software platform to accelerate spatial biomarker discovery for complex diseases, such as cancer, neurodegenerative disorders and autoimmune diseases. ... |