PsiQuantum vs Quobly
PsiQuantum
Building the world’s first useful quantum computers
628 employees · est. 2015 · Palo Alto, United States
PsiQuantum is the older company (2015 vs 2022); PsiQuantum is the larger of the two.
Side-by-Side Comparison
| Metric | PsiQuantum | Quobly |
|---|---|---|
| Founded | ||
| Founded | 2015 older | 2022 |
| Headquarters | ||
| Headquarters | Palo Alto, United States | Grenoble, France |
| Employees | ||
| Employees | 628 larger | 106 |
| Industry | ||
| Industry | Hardware, IT, Quantum | Information Technology, Quantum, Semiconductor |
| Funding Stage | ||
| Funding Stage | Series E | Series A |
| Total Funding | ||
| Total Funding | $2.98B | $149.00M |
| Funding Rounds | ||
| Funding Rounds | 9 | 4 |
| Services | ||
| Services | Development of Utility-Scale Quantum Computers, Quantum Software Development, Quantum Circuit Design, Consulting for Industrial Quantum Applications | Development and production of silicon quantum processors using semiconductor manufacturing processes |
| Target Customers | ||
| Target Customers | Quantum Algorithm Researchers, Healthcare and Oncology Researchers, Industrial and Technological Partners, Semiconductor Manufacturing Companies, Governmental Organizations | Enterprises in need of advanced computing solutions, research institutions, AI model developers, technology enthusiasts |
| Taxonomy | ||
| Taxonomy | Quantum ComputingPhotonicsQuantum Error CorrectionSemiconductorsQuantum AlgorithmsQuantum Technology +9 | Quantum ComputingSemiconductor TechnologyFault-Tolerant SystemsLarge-Scale ComputingMicroelectronicsQubits +9 |
| Website | ||
| Website | psiquantum.com | quobly.io |
About PsiQuantum
PsiQuantum, founded in 2015, stands at the forefront of revolutionary technological development, aiming to build the world’s first useful quantum computers. Their slogan, "Building the world’s first useful quantum computers," reflects their ambitious mission. Grounded in the belief that photonics is...
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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Compiled from the BounceWatch company index. We last looked at PsiQuantum on 8 Apr 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.
