The register
Essen BioScience Limited is licensed to sponsor workers on Skilled Worker. The organisation is based in Royston, Hertfordshire and has held its place on the register since at least 2026. The register records its rating as Worker (A rating).
Essen Bioscience Limited is the registered name (Companies House number 06163601), a private limited company on the register since 2007. Registered office: The Automation Partnership, Grantham Close, Royston, Hertfordshire, SG8 5WY, SG8 5WY. By its SIC codes the business is in manufacturing and engineering. It has traded under other names before, including Essen Instruments Limited.
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.