The register
The register lists Flint Wines Ltd. in London, London 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).
Companies House lists it as Flint Wines Limited, number 05735365, incorporated 2006: 20 years of filings behind the name. Registered office: 16 Stannary Street, London, SE11 4AA, SE11 4AA. By its SIC codes the business is in wholesale.
Holding a licence is the expensive, slow part done. For Flint Wines Ltd. the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.