Quobly – Strategic-Technological Analysis of a European Quantum Computing Startup
Quobly (formerly Siquance) is a French deep-tech startup founded in 2022 as a spin-out of CEA-Leti and CNRS in Grenoble[1][2]. It develops silicon-based quantum processors (spin-qubit architectures) using conventional FD-SOI CMOS fabrication, aiming for fault-tolerant, large-scale quantum computers. The company’s founders – veterans of European semiconductor and quantum research – have charted a path to harness mature chipmaking processes for quantum computing applications[3][4]. This strategy aligns with Europe’s drive to build sovereign tech in cutting-edge fields, since it could enable domestic production of advanced quantum hardware and reduce dependence on non-allied suppliers in critical computing technologies. Quobly’s focus on integrating qubits into standard chips, and its partnerships with industrial players like STMicroelectronics, suggests it may accelerate European capabilities in quantum computing – a field increasingly seen as dual-use with both civilian and defense significance. These factors make Quobly’s trajectory highly relevant to EU-NATO strategic objectives in technology autonomy and enhanced deterrence. The following analysis examines Quobly’s corporate profile, technology portfolio, and role in European defense innovation ecosystems, highlighting its potential contributions and gaps in meeting EU and NATO capability needs.


