The register
The register lists Carnival Plc in Southampton as a licensed sponsor on Creative Worker and Global Business Mobility: Senior or Specialist Worker and Skilled Worker, 3 routes in all, and has done since at least 2026. The register records its rating as Temporary Worker (A rating), Worker (A rating).
Companies House lists it as Carnival UK Ltd., number 04039524, incorporated 2000: 26 years of filings behind the name. The registered office is at Carnival House, 100 Harbour Parade, Southampton, Hampshire, SO15 1ST, SO15 1ST. Its filed activity puts it in transport and logistics. It has traded under other names before, including Carnival Ltd., Carnival 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.