The register
The register lists Mix Store Ltd in Weston Super mare, Somerset 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).
At Companies House the business is Mix Store Ltd (company number 11462221), a private limited company incorporated in 2018, 8 years ago. The registered office is at 38 Meadow Street, Weston-Super-Mare, BS23 1QH, BS23 1QH. By its SIC codes the business is in retail.
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.