The register
The register lists Push Group Limited in London, England 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).
Push Group Limited is the registered name (Companies House number 06237443), a private limited company on the register since 2007. Registered office: Spaces, The Charter Building, Charter Place, Uxbridge, Middlesex, UB8 1JG, UB8 1JG. 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.