Quantum company
Paragraf
Mass-produces graphene-based electronic devices, including Hall-effect sensors used in cryogenics and quantum computing.
Technology
Paragraf, established in 2018 after development work at the University of Cambridge and based in Somersham, Cambridgeshire, mass-produces graphene-based electronic devices. Its sensors are used by the quantum computing industry to detect magnetic fields. It completed a $55m Series C in August 2025 and states it has raised $140 million over four rounds.