The register
The register lists CalaChem Limited in Grangemouth, Forth Valley as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Calachem Ltd is the registered name (Companies House number 05369235), a private limited company on the register since 2005. Registered office: One, St. Peters Square, Manchester, M2 3DE, M2 3DE. Its filed activity puts it in finance and insurance. It has traded under other names before, including Kemfine UK Limited, Avecia Fine Chemicals Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for CalaChem Limited's own careers page and the job boards, and the answer changes with the season and the order book.