The register
Antofagasta plc, London, holds a Home Office sponsor licence on the Global Business Mobility: Senior or Specialist Worker route, and has been on the register since at least 2026. Its rating on the register is Worker (A rating).
At Companies House the business is Antofagasta PLC (company number 01627889), a public limited company incorporated in 1982, 44 years ago. Registered office: 103 Mount Street, London, W1K 2TJ, W1K 2TJ. By its SIC codes the business is in mining and quarrying. It has traded under other names before, including Antofagasta Holdings PLC.
Holding a licence is the expensive, slow part done. For Antofagasta plc the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.