The register
The register lists Ciner Glass Ltd in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. The register records its rating as Worker (A rating).
Ciner Glass Ltd is the registered name (Companies House number 11974296), a private limited company on the register since 2019. Registered office: 2nd Floor 23 College Hill, London, EC4R 2RP, EC4R 2RP. By its SIC codes the business is in manufacturing and engineering.
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.