We are a spin-out from the University of Oxford and a team of optical computing and machine learning experts dedicated to realising fully optical computing.
Lumai has raised €10M across 2 funding rounds from 9 investors, most recently a round in Apr 2025. Based in Oxford, UK; active in Hardware. Data as of 6 Aug 2026.
Timing: in window vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.
| Date |
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| Stage |
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| Amount |
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| Investors |
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| 2025-04-02 | Other | €9.3M | PhotonVentures,Constructor Capital,IP Group,Journey Ventures,LIFTT,Qubits Ventures+2 more | View deal → |
| 2023-02-15 | Grant | €1.2M | Innovate UK | View deal → |
