The register
The register lists MK Builders Merchants Limited in Birmingham 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).
MK Builders Merchants Limited is the registered name (Companies House number 07632212), a private limited company on the register since 2011. The registered office is at 160 Rookery Road, Handsworth, Birmingham, B21 9NN, B21 9NN. 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.