The register
The register lists Erdene Ltd in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
At Companies House the business is Erdene Ltd (company number 08649689), a private limited company incorporated in 2013, 13 years ago. The registered office is at 504 Bryer Court, Barbican, London, EC2Y 8DE, EC2Y 8DE. By its SIC codes the business is in education.
Holding a licence is the expensive, slow part done. For Erdene Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.