The register
The register lists ASN Services Limited in Woking 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 Asn Services Limited, number 10625546, incorporated 2017: 9 years of filings behind the name. Registered office: Send Business Center 2f, Ground Floor, 3 Tannery House, Tannery Lane, Woking, Surrey, GU23 7EF, GU23 7EF. Its filed activity puts it in it, software and media.
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.