The register
The register lists JMG Systems in Omagh, Tyrone as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. The register records its rating as Worker (A rating).
J.M.G. Systems Ltd is the registered name (Companies House number NI041081), a private limited company on the register since 2001. Registered office: 68a Derry Road, Omagh, Tyrone, BT78 5ED, BT78 5ED. By its SIC codes the business is in manufacturing and engineering.
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.