The register
The register lists Medicine Box (Holborn) LTD in 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).
Medicine Box (holborn) Ltd is the registered name (Companies House number 14359642), a private limited company on the register since 2022. Registered office: 42 High Street, C/O Tax Advisors & Accountants Ltd, Bilston, WV14 0EP, WV14 0EP. By its SIC codes the business is in health care.
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.