The register
The register lists Siam Signature Ltd in Sutton 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 Siam Signature Ltd, number 12455654, incorporated 2020: 6 years of filings behind the name. Registered office: 10 Abbey Parade, London, SW19 1DG, SW19 1DG. Its filed activity puts it in hospitality.
For a candidate this means one less obstacle: Siam Signature Ltd already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.