The register
The register lists Cint UK Limited in London 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).
Cint UK Limited is the registered name (Companies House number 09784118), a private limited company on the register since 2015. The registered office is at 100 Clifton Street, London, EC2A 4TP, EC2A 4TP. Its filed activity puts it in it, software and media. It has traded under other names before, including Lucid Holdings UK Limited.
Holding a licence is the expensive, slow part done. For Cint UK Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.