Swiss SEALSQ Leads €130 Million Series A Funding Round in French Quantum Computing Company Quobly

en.Wedoany.com Reported - SEALSQ Corp is leading a €130 million Series A funding round in quantum computing company Quobly. The round is co-led by STMicroelectronics, SEALSQ, Isalt, and Bpifrance.

SEALSQ is investing through its SEALSQ Quantum Fund to support the industrialization of Quobly's silicon-based quantum processors and the deployment of its first commercial systems. This investment deepens the strategic technology partnership initiated in November 2025 and is part of the execution of SEALSQ's Quantum Vertical Sovereign Stack strategy. As a condition of the investment, SEALSQ CEO Carlos Moreira will join Quobly's Board of Directors.

Launched in February 2025 with an initial allocation of $20 million, the SEALSQ Quantum Fund has now grown to $200 million. The fund aims to strengthen the integration of quantum processing and cybersecurity through targeted investments, accelerating the establishment of trusted sovereign quantum infrastructure for industrial and critical applications.

Building secure quantum systems from qubit to root of trust. SEALSQ's participation is based on the collaboration announced with Quobly in November 2025, which integrates post-quantum cryptography and hardware root of trust into silicon-based quantum architectures. The partners combine Quobly's scalable FD-SOI quantum processors with SEALSQ's quantum-resistant security chips, including QVault TPM and PQC solutions, to jointly develop security-by-design quantum computing systems that defend against current and future quantum threats at the qubit level. The collaboration includes: co-developing quantum-resistant security microcontrollers optimized for quantum environments, enhancing device authentication and key management for quantum systems, and creating trusted sovereign quantum computing platforms for high-value applications in defense, finance, energy, and critical infrastructure.

Moreira stated that the investment through the SEALSQ Quantum Fund builds on the technology partnership established in 2025, reflecting a shared commitment to advancing next-generation secure quantum technology. He added that, excluding the financing for Quobly, the SEALSQ Quantum Fund has deployed approximately $30 million from its $200 million available capital, investing in IC'Alps, ColibriTD, EeroQ, WISeSat, Quantix Edge Security, and WeCan Group. Quobly CEO and co-founder Maud Vinet noted that this investment supports the company's transition to industrial deployment, emphasizing that trusted semiconductor technology and secure computing environments will become increasingly important for practical applications as the first silicon-based quantum computers reach the market.

Founded in 2022 and headquartered in Grenoble, France, Quobly focuses on developing silicon-based quantum chips using mature semiconductor manufacturing processes. The company was founded based on over 15 years of collaborative research from CEA-Leti and CNRS. Quobly was co-founded by Dr. Maud Vinet (a quantum physicist with over 300 publications and 70 patents) and Tristan Meunier (an expert in semiconductor quantum engineering who studied under Nobel laureate Serge Haroche). Quobly has a strategic partnership with STMicroelectronics to accelerate the industrialization of silicon quantum chips. The company raised €19 million in seed funding in 2023 and an additional €21 million in 2025 to advance the Q100T program. It has offices in France, Singapore, and Canada.

SEALSQ specializes in developing quantum-resistant cryptography and semiconductors, with products including multi-factor authentication tokens and solutions for smart energy, healthcare, defense, IT network infrastructure, automotive, and industrial automation and control systems.

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