The register
The register lists Cura Terrae Air Ltd in Sheffield 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 Cura Terrae Air Limited (company number 01726773), a private limited company incorporated in 1983, 43 years ago. The registered office is at Spaces - Pennine Five Block 2, 1 Tenter Street, Sheffield, S1 4BY, S1 4BY. Its filed activity puts it in manufacturing and engineering. It has traded under other names before, including Enviro Technology Services Ltd, Enviro Technology Services PLC.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Cura Terrae Air Ltd's own careers page and the job boards, and the answer changes with the season and the order book.