The register
The register lists Sellafield Ltd in Seascale, Cumbria as a licensed sponsor on Global Business Mobility: Senior or Specialist Worker and Skilled Worker, 2 routes in all, and has done since at least 2026. The register records its rating as Worker (A rating).
Sellafield Limited is the registered name (Companies House number 01002607), a private limited company on the register since 1971. Registered office: Hinton House Birchwood Park Avenue, Risley, Warrington, Cheshire, WA3 6GR, WA3 6GR. By its SIC codes the business is in other services. It has traded under other names before, including British Nuclear Group Sellafield Limited, British Nuclear Fuels Public Limited Company.
For a candidate this means one less obstacle: Sellafield Ltd already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.