The register
The register lists Winesom Ltd 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).
Companies House lists it as Winesom Ltd, number 10902598, incorporated 2017: 9 years of filings behind the name. The registered office is at 16 Maiden Lane, London, WC2E 7NJ, WC2E 7NJ. Its filed activity puts it in hospitality. It has traded under other names before, including Lady of the Grapes Ltd.
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.