C12
French tech company | Builders Republic
About
Quantum-computing hardware company building processors from suspended carbon-nanotube spin qubits — fabricating and assembling nanotubes onto silicon chips in its own Paris cleanroom and underground lab, betting on long qubit coherence to reach fault-tolerant, utility-scale machines. Spun out of ENS physics.
Key facts
- Status
- Active
- Sectors
- Data & Infrastructure
- Latest stage
- Series A
- Founded
- 2020
- City
- PARIS
- Region
- IDF
- Tracked rounds
- 2
- Amount raised
- 28 M€ raised since 2020
Funding rounds
- Series A · 2024
- Series A · 2021