The register
The register lists Lumen Electronics in Toomebridge 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).
Companies House lists it as Lumen Electronics Ltd, number NI621145, incorporated 2013: 13 years of filings behind the name. The registered office is at Unit 5gshivers Business Park 21 Hillhead Road, Toome, Antrim, BT41 3SF, BT41 3SF. Its filed activity puts it in manufacturing and engineering.
Holding a licence is the expensive, slow part done. For Lumen Electronics the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.