The register
The register lists Oxford nanoSystems Ltd in Abingdon, Oxfordshire as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
Companies House lists it as Oxford Nanosystems Ltd, number 07523447, incorporated 2011: 15 years of filings behind the name. The registered office is at 6-7 Citibase New Barclay House, 234 Botley Road, Oxford, OX2 0HP, OX2 0HP. Its filed activity puts it in manufacturing. It has traded under other names before, including Atlantic Nanosystems Ltd, Oxford Nanosystems Ltd.
For a candidate this means one less obstacle: Oxford nanoSystems Ltd already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.