Quantum Connectivity

Senetas is a Melbourne-based cybersecurity specialist providing high-assurance network encryption solutions. The company has developed post-quantum cr...

AIT Austrian Institute of Technology operates the Centre for Digital Safety and Security and has been a long-standing European QKD research and commer...

QEYnet is building the world's first commercial satellite-based quantum key distribution network. Founded in 2016 by spacecraft engineers and quantum ...

Quantum Bridge Technologies develops quantum key distribution systems and quantum networking hardware, providing the physical infrastructure layer for...

QuantumCTek is China's leading quantum security company, founded in 2009 as a spin-out from Pan Jianwei's group at USTC and listed on the Shanghai STA...

Qasky is a Chinese quantum communications equipment manufacturer providing QKD systems and quantum cryptography products for enterprise and metropolit...

Guoke Quantum is the Chinese Academy of Sciences-affiliated quantum network operator that builds and runs provincial quantum backbone infrastructure a...

Origin Quantum is a Chinese full-stack quantum computing company that also develops quantum-safe security products and services including quantum encr...

Thales is a global technology leader and one of the top five players in the quantum cryptography market. The company provides quantum-resistant encryp...

Eviden (Atos digital security division) is a leading global player in quantum cryptography and post-quantum security. The company's Trustway IP Protec...

VeriQloud is a French quantum networking company providing quantum key distribution software, quantum network management systems, and quantum-safe com...

TheGreenBow is a French cybersecurity software company providing VPN and secure communications solutions since 1998. The company is a participant in t...

Welinq is a pioneering quantum networking company developing quantum memory technology and quantum repeater infrastructure. The company participates i...

Rohde & Schwarz Cybersecurity is a division of the German technology group Rohde & Schwarz, providing high-assurance network security and encryption s...

qutools is a German quantum technology company providing quantum key distribution systems and quantum optics equipment. The company has launched a Qua...

genua is a German IT security company (subsidiary of Bundesdruckerei) specialising in high-security network infrastructure, firewalls, and encrypted c...

PacketLight Networks is an Israeli optical networking company and a top player in the quantum key distribution market. The company provides optical tr...

QuantLR develops cutting-edge quantum cryptography solutions integrating quantum key distribution with encrypted transport to create quantum-safe netw...

Telsy is the cybersecurity and encryption division of the Leonardo Group, providing high-assurance communications security products for Italian govern...

Toshiba is a global leader in quantum key distribution, having pioneered quantum-safe technologies since 1999. In April 2025, Toshiba announced a worl...

NEC Corporation is a major player in quantum security, partnering with NICT and Toshiba on real-world QKD demonstrations. On 16 September 2025, NEC un...

NTT Communications rolled out a PQC-based multi-algorithm secure key exchange system in January 2025 and is developing quantum-safe networking as part...

Q*Bird is a Dutch quantum networking company providing QKD and quantum communications solutions. The company is a partner in the Dutch government's Qu...

SpeQtral is a Singapore-based quantum communications company and leader in satellite-based QKD technology. SpeQtral and SPTel were jointly appointed b...

SPTel is a Singapore telecommunications company and co-operator of Singapore's National Quantum-Safe Network Plus (NQSN+) alongside SpeQtral. SPTel pr...

Singtel launched the region's first Hybrid Quantum-Safe Network integrating quantum key distribution with post-quantum cryptography. Singtel's Hybrid ...

SK Telecom has been at the forefront of quantum encryption research since establishing its quantum technology research centre in 2011, and in 2018 acq...

KT Corporation is a major Korean telecommunications company that demonstrated a Hybrid Quantum-Secure VPN Service combining QKD and PQC in late 2024, ...

LuxQuanta is a European quantum key distribution pioneer and ICFO spin-off founded in 2021. The company develops continuous-variable QKD (CV-QKD) syst...

ID Quantique (IDQ) is the global leader in quantum-safe security solutions, founded in 2001 at the University of Geneva. IDQ provides QKD systems (Cla...

KETS Quantum Security is a Bristol-based QKD company founded in 2016, developing quantum key distribution IP based on coherent semiconductor photonic ...

Qubitekk is an American quantum security company with UK operations providing quantum key distribution systems using entangled photon pairs. The compa...

MagiQ Technologies was founded in 1999 by Bob Gelfond and is one of the first companies to commercialise a quantum cryptography product. The company p...

Palo Alto Networks is one of the top five PQC market players, delivering enterprise-wide quantum security readiness with support for ETSI 014 protocol...

NuCrypt is an American quantum key distribution company providing QKD test equipment and quantum cryptography systems for research and enterprise appl...

Cisco was an early pioneer in quantum-safe networking solutions and remains committed to post-quantum cryptography. The company supports ETSI 014 QKD ...