Arqit

Arqit is a quantum encryption technology company that has developed QuantumCloud, a unique software-only approach to creating quantum-safe encryption keys without requiring quantum hardware. Founded in 2017 by David Williams, the company went public in 2021 and provides quantum-safe encryption solutions to governments, enterprises, and telecommunications providers worldwide. Arqit’s technology creates encryption keys in satellite networks and distributes them globally, offering quantum-safe security that is impossible to predict, intercept, or decode. The company’s approach addresses the critical cybersecurity challenge posed by quantum computers, which threaten to break current encryption methods. Arqit has secured contracts with organizations including the UK Space Agency, European Space Agency, and various government departments, as well as partnerships with telecommunications companies and satellite operators. Their Federated Quantum System enables secure communications across ground, satellite, and space-based networks, positioning Arqit as a leader in quantum-safe security solutions for critical infrastructure and sensitive communications.

Crypto4A Technologies

Crypto4A Technologies is a Canadian cybersecurity company developing quantum-safe cryptographic solutions and post-quantum cryptography systems to protect against future quantum computing threats. The company provides quantum-resistant encryption technologies, secure key management systems, and cryptographic hardware security modules designed to maintain security even in the presence of quantum computers capable of breaking traditional encryption methods. Crypto4A serves government agencies, financial institutions, and enterprise customers requiring long-term cryptographic protection, offering consulting services and implementation support for transitioning to quantum-safe security architectures that will remain secure against both classical and quantum computing attacks.

Project Eleven

Project Eleven is a US-based cybersecurity company founded in 2021, developing post-quantum cryptographic infrastructure for blockchains and digital assets to secure them against future quantum computing threats. The company specializes in quantum-resistant encryption technologies, post-quantum cryptographic protocols, and blockchain security solutions designed to maintain security even when quantum computers become capable of breaking traditional cryptographic methods. Project Eleven provides quantum-safe security solutions for cryptocurrency platforms, blockchain networks, digital asset management, and decentralized finance applications, helping organizations prepare for the quantum computing era. The company develops cryptographic libraries, security protocols, and consulting services for blockchain companies and cryptocurrency platforms seeking to implement quantum-resistant security measures.

Q*bird

Qbird is a spin-off from Delft University of Technology that develops quantum-based hardware and software solutions providing ultra-secure data communications and protection for critical infrastructures. The company has successfully deployed multi-user, multipoint-to-multipoint Quantum Key Distribution (QKD) networks including operational installations in Utrecht connecting data centers, university buildings, and research facilities, and the world’s first quantum-safe industrial internet at the Port of Rotterdam. Qbird won the Dutch IT Channel Award 2025 in the Networking & Edge Innovator category and received €1 million in subsidies to advance QKD technology, with partnerships including Eurofiber to integrate quantum security into commercial networks and ambitious goals to operate 60 quantum networks across Europe, Asia, and North America by 2030.

Qasky Quantum Technology

Qasky Quantum Technology is a Chinese quantum communication company specializing in quantum key distribution systems, quantum secure communication networks, and quantum cryptography solutions for enterprise and government applications. The company develops quantum communication infrastructure including quantum key distribution hardware, quantum network management software, and secure quantum communication protocols for building quantum-safe communication networks across China. Qasky collaborates with Chinese telecommunications companies and government agencies to deploy quantum communication networks for national security applications, contributing to China’s national quantum communication infrastructure development and advancing practical quantum cryptography implementations for securing sensitive data transmission across various sectors including finance, healthcare, and government communications.

QNu Labs

QNu Labs develops quantum key distribution systems and quantum cryptography solutions for secure communications, providing quantum-safe networking products that enable organizations to protect sensitive data against both classical and quantum computing threats through advanced quantum encryption technologies.

Company Information

• Founded: 2016
• Country: India
• Website: https://qnulabs.com
• Categories: quantum security

Key People

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Quantum Bridge Technologies

Quantum Bridge Technologies is a Canadian quantum networking company founded in 2019 as a University of Toronto spinout by Mattia Montagna (CEO) and Hoi-Kwong Lo (CTO), pioneering quantum-safe communications and quantum networking infrastructure. The company develops quantum key distribution systems, quantum repeaters, and quantum-safe cybersecurity solutions, partnering with Juniper Networks to advance industry-first quantum-safe networking solutions for enterprise and government applications. Professor Hoi-Kwong Lo, co-inventor of the all-photonic quantum repeater and ranking among the world’s top quantum cryptography researchers, brings decades of experience from Hewlett-Packard and MagiQ Technologies. Quantum Bridge focuses on building quantum networking infrastructure that enables secure quantum communications and distributed quantum computing applications, developing quantum-safe protocols and hardware for protecting critical infrastructure against both classical and quantum computing threats.

Qubitrium

Qubitrium is a Turkish quantum technology company founded in 2020, developing solutions in quantum cryptography, quantum communications, and quantum sensing with a focus on satellite-based quantum key distribution systems. The company is working on a satellite-based quantum key distribution payload and develops quantum communication technologies for secure data transmission and quantum networking applications. Qubitrium provides quantum security solutions, quantum communication protocols, and quantum sensing systems for government, defense, and commercial applications, contributing to Turkey’s quantum technology capabilities and advancing quantum technologies in the Middle East and European markets. The company focuses on practical quantum applications for national security, secure communications, and quantum sensing for various industrial and scientific applications.

Rabobank Quantum

Rabobank investigates quantum computing applications for financial services including quantum algorithms for portfolio optimization, risk analysis, fraud detection, and quantum-safe cryptography for secure banking operations. The Dutch multinational bank explores quantum machine learning for financial modeling, derivatives pricing, and algorithmic trading systems that could provide computational advantages for complex financial calculations. Rabobank researches quantum technologies for enhancing cybersecurity measures, developing post-quantum cryptographic solutions, and preparing banking infrastructure for quantum-safe security implementations. The company collaborates with quantum technology providers and research institutions to advance practical quantum applications in banking and finance while contributing to the financial sector’s preparation for quantum computing adoption.