The register
The register lists Huntsworth 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 Huntsworth Limited, number 01729478, incorporated 1983: 43 years of filings behind the name. Registered office: 8th Floor, Holborn Gate, 26 Southampton Buildings, London, WC2A 1AN, WC2A 1AN. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Huntsworth PLC, Holmes & Marchant Group PLC.
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.