The register
The register lists KAZ Minerals Limited in London as a licensed sponsor on Skilled Worker and Global Business Mobility: Senior or Specialist Worker, 2 routes in all, and has done since at least 2026. The register records its rating as Worker (A rating).
Companies House lists it as Kaz Minerals Limited, number 05180783, incorporated 2004: 22 years of filings behind the name. Registered office: 7th Floor, 83 Victoria Street,, London, SW1H 0HW, SW1H 0HW. Its filed activity puts it in wholesale. It has traded under other names before, including Kaz Minerals PLC, Kazakhmys PLC.
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.