The register
The register lists GCU (UK) Limited in Derry 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).
Gcu (UK) Limited is the registered name (Companies House number NI620995), a private limited company on the register since 2013. The registered office is at Unit 6 Pennyburn Industrial Estate, Derry, Derry, BT48 0LU, BT48 0LU. Its filed activity puts it in construction.
Holding a licence is the expensive, slow part done. For GCU (UK) Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.