The register
The register lists Donostia Restaurants Limited in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Donostia Restaurants Ltd is the registered name (Companies House number 07651810), a private limited company on the register since 2011. Registered office: 2nd Floor 4 Beaconsfield Road, St. Albans, Hertfordshire, AL1 3RD, AL1 3RD. Its filed activity puts it in hospitality.
For a candidate this means one less obstacle: Donostia Restaurants Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.