The register
The register lists JXK Limited in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
At Companies House the business is Jxk Limited (company number 08460244), a private limited company incorporated in 2013, 13 years ago. Registered office: C/O N K Ting & Co, 10 Chester Drive, Harrow, Middlesex, HA2 7PU, HA2 7PU. By its SIC codes the business is in other 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.