The register
The register lists Castlegate (nantgarw) Ltd in Caerphilly 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).
Castlegate (nantgarw) Ltd is the registered name (Companies House number 10528970), a private limited company on the register since 2016. The registered office is at Unit 5 Castleview Shopping Centre, Cae Meillion, Caerphilly, CF83 1SN, CF83 1SN. Its filed activity puts it in hospitality.
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.