The register
The register lists MDOTM 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).
Mdotm Ltd is the registered name (Companies House number 09854332), a private limited company on the register since 2015. Registered office: 13 Austin Friars, London, EC2N 2HE, EC2N 2HE. Its filed activity puts it in business services.
Holding a licence is the expensive, slow part done. For MDOTM Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.