C12 logo

C12

Unique at scale

79 employees · est. 2020 · Paris, France

VS
Quobly logo

Quobly

Quantum is on-chip.

106 employees · est. 2022 · Grenoble, France

C12 is the older company (2020 vs 2022).

Side-by-Side Comparison

C12 Quobly
Founded
2020 older 2022
Headquarters
Paris, France Grenoble, France
Employees
79 106
Industry
Quantum Information Technology, Quantum, Semiconductor
Funding Stage
Series Unknown Series A
Total Funding
$40.50M $149.00M
Funding Rounds
5 4
Services
Quantum Hardware Development, Quantum Computing Solutions, Material Redefinition, Industrial Collaboration Development and production of silicon quantum processors using semiconductor manufacturing processes
Target Customers
Technology Companies, Chemical Industry, Aerospace & Defense, Energy Sector, Financial Institutions Enterprises in need of advanced computing solutions, research institutions, AI model developers, technology enthusiasts
Taxonomy
Quantum Computing, Scalable Quantum Computers, Spin Qubits, Quantum Chip Production, Quantum Processors, Carbon Nanotubes, Error Reduction Technology, Quantum Materials Science, Nanofabrication, Nanoassembly, Noisy Intermediate-Scale Quantum Applications, Quantum Interconnects, Industrial Partnerships, Quantum Revenue Generation Quantum Computing, Semiconductor Technology, Fault-Tolerant Systems, Large-Scale Computing, Microelectronics, Qubits, Data Centers, Technology Research, Seed Funding, European Startup, Quantum Technologies, Business Development, Industrial Production, Research Collaboration, Expert Team
Website
c12qe.com quobly.io
C12 logo

About C12

C12, founded in 2020 and headquartered in France, is an innovative quantum computing startup pushing the boundaries of scalable quantum technology. With its slogan "Unique at scale," C12 distinguishes itself by pioneering a unique approach rooted in breakthrough materials science and novel interconn...

Quobly logo

About Quobly

Quobly, a French startup founded in 2022, is focused on developing a fault-tolerant quantum computer using semiconductor qubits. The company's breakthrough method addresses both technical and industrial challenges, paving the way for mass production of millions of qubits crucial for practical, large...

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Funding, hiring, leadership and stack changes at C12 and Quobly — by email.

Frequently Asked Questions

C12 — Unique at scale. Quobly — Quantum is on-chip.. Both companies operate in related markets but may differ in funding stage, team size, and product focus.
C12 has raised $40.50M while Quobly has raised $149.00M.
C12 and Quobly operate in overlapping markets and are frequently compared. Track both companies on Bounce Watch to monitor their growth signals in real time.

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Compiled from the BounceWatch company index. We last looked at C12 on 10 Jun 2026, and Quobly on 11 Jun 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.

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