The register
The register lists J G Wang & Co ltd in Sudbury, Suffolk 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).
At Companies House the business is J G Wang & Co. Ltd (company number 06869331), a private limited company incorporated in 2009, 17 years ago. Registered office: 28 Friars Street, Sudbury, Suffolk, CO10 2AA, CO10 2AA. By its SIC codes the business is in professional and technical services.
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.