The register
The register lists Northern Containers Limited in Leeds, West Yorkshire as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
Companies House lists it as Northern Containers Limited, number 02361752, incorporated 1989: 37 years of filings behind the name. The registered office is at Haigh Park Road, Stourton, Leeds, West Yorkshire, LS10 1RT, LS10 1RT. By its SIC codes the business is in transport and logistics. It has traded under other names before, including Luxlive 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.