Arqit Quantum Inc

QuSecure

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

Arqit

Arqit develops a symmetric key agreement encryption platform to secure communications and data for government, military, and enterprise 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.

Quantum Bridge Technologies

This company develops quantum-safe cryptographic software for telecommunications providers, financial institutions and government agencies to secure network infrastructure against advanced cyber threats.

Spider Oak

This company provides zero-trust cybersecurity and encryption software for space, aerospace, and defence organisations to protect communication and data.

Cavero Quantum

This company develops software-based, quantum-safe cryptography and passwordless authentication technology for organisations in sectors including telecommunications, defence, and financial services.

Cyberridge

This company develops photonic encryption hardware for optical networks, providing data-in-transit security for telecommunications, defence, intelligence, and finance sectors.

LuxQuanta

This company develops quantum key distribution systems to provide quantum-safe communication security for telecommunications, government, data centre, and financial services customers.