The register
The register lists Biocatalysts Limited in Cardiff, Mid Glamorgan 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 Biocatalysts Limited (company number 02570883), a private limited company incorporated in 1990, 35 years ago. Registered office: Cefn Coed, Parc Nantgarw, Cardiff, CF15 7QQ, CF15 7QQ. Its filed activity puts it in manufacturing. It has traded under other names before, including Biocatalysts Holdings Limited, M.B.H.12 Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Biocatalysts Limited's own careers page and the job boards, and the answer changes with the season and the order book.