The register
The register lists SGE (SEAL) Ltd in Sevenoaks, Kent as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
S.G.E. (seal) Limited is the registered name (Companies House number 01193678), a private limited company on the register since 1974. Registered office: Church Street, Seal Sevenoaks, Kent, TN15 0AT, TN15 0AT. Its filed activity puts it in manufacturing and engineering.
Holding a licence is the expensive, slow part done. For SGE (SEAL) Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.