Quantum Bridge Technologies has announced that it has closed an $8 million Series A funding round, led by Primo Capital, to develop quantum-safe cybersecurity infrastructure. The investment will support the company’s scale-up phase, at a time when financial institutions, telecommunications networks, governments and defence organisations worldwide are required to protect critical data from emerging threats linked to the development of quantum computing.
The funding round features participation from international investors, including Wayra (Telefónica), Cadenza VC, Club degli Investitori, HPE and Bacchus Venture Capital. Together with previous funding raised from investors such as Alumni Ventures and the University of Toronto, this round brings Quantum Bridge’s total funding to $16 million.
“Leading this round marks an important step for Primo Capital, which is consolidating its position in the quantum technology landscape, a sector we consider fundamental to digital resilience over the next decade,” says Mara Attardi, an investment professional at Primo Capital, in a statement. “Quantum Bridge stood out right from the start for the versatility of its architecture, but it was the team that ultimately cemented our conviction. The CEO brings a rare combination of academic rigour – necessary for developing cutting-edge technologies – and commercial acumen – indispensable for navigating the complexities of global institutional markets. This is a team that does not merely understand the future of quantum computing: it has already built the bridge to reach it today.”
“National security cannot wait for perfect conditions,” says Mattia Montagna, co-founder and CEO of Quantum Bridge Technologies (pictured). “We develop quantum-safe systems that are already operational today within real-world networks: solutions designed to continue protecting sovereign communications as the threat landscape evolves. “This funding round will enable us to reach more organisations where they are today and protect them more quickly.”
Quantum Bridge addresses the systemic threat that quantum computing poses to current cryptographic infrastructures. The company’s patented Distributed Symmetric Key Establishment (DSKE) protocol enables organisations to generate, distribute and manage symmetric keys via a decentralised architecture, thereby eliminating single points of failure, improving scalability and strengthening long-term cryptographic resilience.
Quantum Bridge facilitates the practical adoption of advanced cryptographic security solutions based on robust, well-established principles that have stood the test of time. Designed to integrate with existing infrastructure, vendors and security layers, the company’s platform enables organisations to add quantum-safe protection—from optical encryptors right through to application systems—without disrupting day-to-day operations.
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