Oxford Instruments Updated 2025-07-16
They are pioneers in making superconducting magnets, physicist from the university taking obsolete equipment from the uni to his garage and making a startup kind of situation. This was particularly notable for this time and place.
They became a major supplier for magnetic resonance imaging applications.
Oxford Quantum Circuits Updated 2025-07-16
Their main innovation seems to be their 3D design which they call "Coaxmon".
Video 1.
The Coaxmon by Oxford Quantum Circuits (2022)
Source.