The register
The register lists Centre for Cities 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).
Centre for Cities is the registered name (Companies House number 06215397), a company limited by guarantee on the register since 2007. The registered office is at 9 Holyrood Street, 2nd Floor, London, SE1 2EL, SE1 2EL. Its filed activity puts it in education.
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.