Arqit

Arqit Quantum Inc

This company provides quantum-safe encryption software to government, defence, telecommunications and enterprise customers to protect networked devices and data from cyber attacks.

Arq

Arq develops quantum repeaters and networking hardware for telecommunications, financial services and healthcare organisations to enable long-distance quantum communication.

ZERO/3

This company develops quantum key distribution hardware and cryptography systems for government, critical infrastructure and financial sector customers.

CryptoNext

This company develops post-quantum cryptography software to protect critical data and migrate IT infrastructures to quantum-safe systems for government, finance and infrastructure sectors.

Qubitrium

Qubitrium develops space-ready quantum hardware and nanosatellite-based communication systems for aerospace, defence, and industrial organisations requiring secure information exchange.

Aeqiq

Aeqiq develops photonic quantum computing hardware and secure communication systems for government agencies, academic institutions and data centre operators.

QuSecure

This company provides post-quantum cryptographic software to government agencies and commercial enterprises to protect data networks and communications from quantum computing threats.

SpeQtral

The company develops satellite and terrestrial quantum key distribution hardware to provide secure communication networks for governments, telecommunications operators and financial institutions.