The register
The register lists Starr Underwriting Agents Limited in London 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).
Starr Underwriting Agents Limited is the registered name (Companies House number 02973661), a private limited company on the register since 1994. Registered office: 30 Fenchurch Avenue, London, EC3M 5AD, EC3M 5AD. By its SIC codes the business is in finance and insurance. It has traded under other names before, including Redholm Underwriting Agents Limited.
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.