The register
The register lists Emerald Green London Ltd in London, 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).
Companies House lists it as Emerald Green London Ltd, number 13524191, incorporated 2021: 5 years of filings behind the name. The registered office is at 138 Brick Lane, London, E1 6RU, E1 6RU. By its SIC codes the business is in hospitality.
Holding a licence is the expensive, slow part done. For Emerald Green London Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.