The register
The register lists Finixio Ltd in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
At Companies House the business is Finixio Ltd (company number 11705811), a private limited company incorporated in 2018, 7 years ago. The registered office is at Tower 42 25 Old Broad Street, London, EC2N 1HN, EC2N 1HN. Its filed activity puts it in it, software and media.
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.