The register
The register lists GMAC Health Ltd in Bangor, Down 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).
Gmac Health Limited is the registered name (Companies House number NI607507), a private limited company on the register since 2011. The registered office is at 82 High Street, Bangor, Down, BT20 5AZ, BT20 5AZ. By its SIC codes the business is in retail. It has traded under other names before, including Sanderling Trading Limited.
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.