The register
The register lists Sumer Group Holdings Limited in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Sumer Group Holdings Limited is the registered name (Companies House number 14256975), a private limited company on the register since 2022. Registered office: Acre House, 11-15 William Road, London, NW1 3ER, NW1 3ER. By its SIC codes the business is 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.