The register
The register lists Horn Advisory Services Limited in Barnet, Hertfordshire 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 Horn Advisory Services Limited, number 05198574, incorporated 2004: 22 years of filings behind the name. Registered office: Regency House, 33 Wood Street, Barnet, Hertfordshire, EN5 4BE, EN5 4BE. By its SIC codes the business is in professional and technical services. It has traded under other names before, including L.H. LAW LTD.
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.