The register
The register lists Pluto Data Analytics Limited in Brighton as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. The register records its rating as Worker (A rating).
At Companies House the business is Pluto Data Analytics Limited (company number 12468220), a private limited company incorporated in 2020, 6 years ago. The registered office is at Maria House, 35 Millers Road, Brighton, BN1 5NP, BN1 5NP. 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.