PsiQuantum vs Riverlane
PsiQuantum
Building the world’s first useful quantum computers
628 employees · est. 2015 · Palo Alto, United States
Riverlane
Riverlane is the world leader in Quantum Error Correction (QEC), the technology that unlocks quantum computing's promise
219 employees · est. 2016 · Cambridge, United Kingdom
PsiQuantum is the older company (2015 vs 2016); PsiQuantum is the larger of the two.
Side-by-Side Comparison
| Metric | PsiQuantum | Riverlane |
|---|---|---|
| Founded | ||
| Founded | 2015 older | 2016 |
| Headquarters | ||
| Headquarters | Palo Alto, United States | Cambridge, United Kingdom |
| Employees | ||
| Employees | 628 larger | 219 |
| Industry | ||
| Industry | Hardware, IT, Quantum | IT, Information Technology, Quantum |
| Funding Stage | ||
| Funding Stage | Series E | Not tracked yet |
| Total Funding | ||
| Total Funding | $2.98B | $99.23M |
| Funding Rounds | ||
| Funding Rounds | 9 | 12 |
| Services | ||
| Services | Development of Utility-Scale Quantum Computers, Quantum Software Development, Quantum Circuit Design, Consulting for Industrial Quantum Applications | Quantum Error Correction hardware and software solutions, QEC technology development and deployment, QEC circuit building and simulation, Partnerships with quantum computer manufacturers and HPC centres |
| Target Customers | ||
| Target Customers | Quantum Algorithm Researchers, Healthcare and Oncology Researchers, Industrial and Technological Partners, Semiconductor Manufacturing Companies, Governmental Organizations | Quantum computer manufacturers, Qubit control specialists, High-Performance Computing Centres, National Laboratories, Quantum scientists and engineers |
| Taxonomy | ||
| Taxonomy | Quantum ComputingPhotonicsQuantum Error CorrectionSemiconductorsQuantum AlgorithmsQuantum Technology +9 | Quantum Error CorrectionQEC ChipsQuantum ComputingQuantum HardwareQuantum SoftwareQubit Stabilization +9 |
| Website | ||
| Website | psiquantum.com | riverlane.com |
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 Riverlane
Riverlane, founded in 2016 and headquartered in the United Kingdom, is the pioneering leader in Quantum Error Correction (QEC), a critical technology in quantum computing. Their motto, "Riverlane is the world leader in Quantum Error Correction (QEC), the technology that unlocks quantum computing's p...
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Compiled from the BounceWatch company index. We last looked at PsiQuantum on 8 Apr 2026, and Riverlane on 13 Feb 2026. 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.
