Directory profile

PsiQuantum

Photonic quantum-computing company founded by UK academics, building large-scale fault-tolerant quantum systems.

Updated 29 April 2026 · British Startup index

Profile

PsiQuantum has a deep UK academic heritage (Bristol, Oxford, Imperial) and is one of the world’s most ambitious fault-tolerant quantum-computing companies.

British link

Founded by UK academics; major UK research links.

Sectordeeptech
Stagegrowth
Funding$1.3B+
Employees700+
Founded2016