Oxford Quantum Circuits
Superconducting quantum computers
Ranked #3 in Best Deep Tech Startups in the UK, and on 1 more ranking.
Oxford Quantum Circuits (OQC), headquartered in London, builds superconducting quantum computers for enterprise and government customers. It raised a £260 million ($350 million) Series C in June 2026, led by Bullhound Capital.
At a glance
| Price from | Custom |
| Best for | Enterprises and governments accessing quantum hardware |
From Oxford Quantum Circuits's own website.
What stands out
- Systems deployed on three continents
- Large recent funding round
Worth knowing
- Practical quantum advantage still ahead for most uses
- Price not published
How it ranks
Oxford Quantum Circuits is ranked 3rd of 10 in Best Deep Tech Startups in the UK (Lister Score 94.6) and 4th of 10 in Best Quantum Computing Startups (Lister Score 93.0).
#3 in Best Deep Tech Startups in the UK · Lister Score 94.6
OQC says it has quantum systems deployed in the UK, the US, Japan and Spain..
| Rank | Best Deep Tech Startups in the UK | Score |
|---|---|---|
| 1 | Wayve | 97.2 |
| 2 | CuspAI | 95.9 |
| 3 | Oxford Quantum Circuits | 94.6 |
| 4 | Fractile | 93.3 |
| 5 | Quantum Motion | 92.0 |
| 6 | Nscale | 90.7 |
| 7 | Humanoid | 89.4 |
| 8 | PhysicsX | 88.1 |
| 9 | Riverlane | 86.8 |
| 10 | Phasecraft | 85.5 |
#4 in Best Quantum Computing Startups · Lister Score 93.0
Oxford Quantum Circuits, founded in 2017 in the UK, builds superconducting quantum computers and installs them in commercial data centres. It raised £260 million in a Series C led by Bullhound Capital in June 2026.
OQC raised £260 million, about $350 million, in a Series C announced on 3 June 2026..
| Rank | Best Quantum Computing Startups | Score |
|---|---|---|
| 1 | PsiQuantum | 96.8 |
| 2 | QuEra Computing | 95.5 |
| 3 | Atom Computing | 94.3 |
| 4 | Oxford Quantum Circuits | 93.0 |
| 5 | Alice & Bob | 91.7 |
| 6 | Quantum Machines | 90.4 |
| 7 | Classiq | 89.1 |
| 8 | Riverlane | 87.8 |
| 9 | Photonic | 86.4 |
| 10 | Q-CTRL | 85.1 |
Frequently asked questions
How does Oxford Quantum Circuits rank on Lister?
Oxford Quantum Circuits is ranked 3rd of 10 in Best Deep Tech Startups in the UK (Lister Score 94.6) and 4th of 10 in Best Quantum Computing Startups (Lister Score 93.0).
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