The register
The register lists Semarion Ltd in Cambridge 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 Semarion Ltd (company number 11534992), a private limited company incorporated in 2018, 8 years ago. Registered office: Salisbury House, Station Road, Cambridge, CB1 2LA, CB1 2LA. Its filed activity puts it in professional and technical services.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Semarion Ltd's own careers page and the job boards, and the answer changes with the season and the order book.