C12 Quantum Electronics

Unique at Scale | Carbon-Based Quantum Computing by C12

Paris, France · Founded 2020 · $122.2M raised

Headquarters
Paris
Employees
11–50
Founded
2020
Business Model
B2B
Website
c12qe.com
Total Funding
$122.2M
Last Round
$19.8M Series BMar 2026
Rounds
6

About

C12 Quantum Electronics is a Paris-based quantum computing startup founded in 2020 by Pierre and Matthieu Desjardins as a spin-off of ENS Paris and CNRS. The company develops a novel quantum processor architecture using ultra-pure carbon nanotube spin qubits, targeting scalable fault-tolerant quantum computing for applications in materials design, drug discovery, and industrial optimization.

Summary

C12 Quantum Electronics is a Quantum Computing company based in Paris, France, founded in 2020. It has raised $122.2M in total across 6 rounds, most recently a $19.8M Series B round in Mar 2026.

Tech & App Stack

3 technologies & apps tracked

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Funding History

Series BSeries BMar 2026
$19.8M

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