C12 Quantum Electronics in Paris is advancing the quantum computing sector by developing processors with carbon nanotubes. These materials promise greater efficiency and scalability than traditional silicon-based processors. Operating on a B2B model, C12 targets hardware and manufacturing ecosystems, especially in mobile technologies. By leveraging carbon nanotubes, the company aims to address challenges in quantum computing, such as energy consumption and production delays. With investment support from Atomico and 360 Capital, C12 has a strong growth potential and could become a key player in next-generation quantum processors, offering a competitive edge over silicon-based technologies.