The register
The register lists Virtuoso IT Limited 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).
Companies House lists it as Virtuoso IT Limited, number 07598800, incorporated 2011: 15 years of filings behind the name. The registered office is at Level 5a Maple House, 149 Tottenham Court Road, London, W1T 7NF, W1T 7NF. Its filed activity puts it in it, software and media.
Holding a licence is the expensive, slow part done. For Virtuoso IT Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.