The register
The register lists Milam London Ltd in London, Greater 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).
At Companies House the business is Milam London Ltd (company number 12627350), a private limited company incorporated in 2020, 6 years ago. The registered office is at 167-169 Great Portland Street, London, W1W 5PF, W1W 5PF. Its filed activity puts it 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.