Optalysys

Redefining how the world computes through photonics

Leeds, United Kingdom · Founded 2013 · $28.6M raised

Headquarters
Leeds
Employees
51–200
Founded
2013
Business Model
B2B
Total Funding
$28.6M
Last Round
$28.6M Extension RoundJan 2026
Rounds
2

About

Optalysys is a Leeds-based photonic computing company founded in 2013. The company develops silicon photonics hardware to accelerate Fully Homomorphic Encryption (FHE), enabling always-encrypted computation beyond the limits of conventional electronics. Its LightLocker Node product targets enterprise and managed service providers needing secure, scalable, and predictable privacy infrastructure.

Summary

Optalysys is a Hardware company based in Leeds, United Kingdom, founded in 2013. It has raised $28.6M in total across 2 rounds, most recently a $28.6M Extension Round round in Jan 2026. Investors include Northern Gritstone, NSSIF and IMEC XPand.

Tech & App Stack

6 technologies & apps tracked

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Funding History

Extension RoundSeries A ExtensionJan 2026

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Series A through Extension Round — per-round amounts, valuations, and who invested in each round.

Investors

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