The register
The register lists Foreign Stones Ltd in Twickenham 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 Foreign Stones Ltd (company number 12833031), a private limited company incorporated in 2020, 6 years ago. The registered office is at 9 York Street, Twickenham, TW1 3JZ, TW1 3JZ. By its SIC codes the business is in construction.
Holding a licence is the expensive, slow part done. For Foreign Stones Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.