The register
The register lists Soundproofing R Us Limited in Sutton, Surrey 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 Soundproofing R US Limited, number 05884411, incorporated 2006: 20 years of filings behind the name. Registered office: The Long Lodge 265-269, Kingston Road, Wimbledon, London, SW19 3NW, SW19 3NW. By its SIC codes the business is in construction.
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.