The register
The register lists The Dover Restaurant 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).
At Companies House the business is The Dover Restaurant Limited (company number 14562686), a private limited company incorporated in 2022, 3 years ago. Registered office: Elsley Court, 20-22 Great Titchfield Street, London, W1W 8BE, W1W 8BE. Its filed activity puts it in hospitality. It has traded under other names before, including Cafe Chinois Limited.
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.