The register
The register lists Mass Spectrometry Instruments Limited in Dewsbury, West Yorkshire 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).
At Companies House the business is Mass Spectrometry Instruments Limited (company number 05576203), a private limited company incorporated in 2005, 21 years ago. Registered office: Victoria Mills, Mill Street East, Dewsbury, West Yorkshire, WF12 9AQ, WF12 9AQ. Its filed activity puts it in manufacturing and engineering.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Mass Spectrometry Instruments Limited's own careers page and the job boards, and the answer changes with the season and the order book.