Optalysys is a silicon-photonic accelerator enabling fully homomorphic encryption (FHE) on encrypted data, headquartered in Leeds, United Kingdom, founded in 2013.
| Date | Round | Amount | Investors |
|---|---|---|---|
| 2026-01-22 | Series A | $30.9M | Northern Gritstone, imec.xpand, Lingotto, National Security Strategic Investment Fund |
| 2023-07-17 | Series A | $27.5M | Northern Gritstone, imec.xpand, Lingotto, Eden Rock Group, Verve Ventures |
| 2017-09-20 | Seed | $4M | Undisclosed |
| 2016-04-28 | Other | $350K | Русская DARPA, QVentures |
| 2014-03-27 | Seed | $850K | Anglia Capital Group |
Data from The Signal by Return on Security — cybersecurity funding, M&A activity, and company intelligence.