The register
The register lists Marathon Capital Ltd 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. Its rating on the register is Worker (A rating).
Marathon Capital Ltd is the registered name (Companies House number 13066448), a private limited company on the register since 2020. The registered office is at 25 Upper Brook Street, Ground Floor, London, W1K 7QD, W1K 7QD. Its filed activity puts it in finance and insurance.
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.