The register
The register lists S.E.D. Services Limited in Wigan 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).
At Companies House the business is S.E.D. Services Limited (company number 05602201), a private limited company incorporated in 2005, 21 years ago. Registered office: Landgate Farm Landgate Lane, Bryn, Wigan, Lancs, WN4 0EJ, WN4 0EJ. By its SIC codes the business is in energy, water and waste.
Holding a licence is the expensive, slow part done. For S.E.D. Services Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.