The register
The register lists RLE International Product Development in Essex, Basildon as a licensed sponsor on Global Business Mobility: Senior or Specialist Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
At Companies House the business is Rle International Product Development Ltd (company number 03530918), a private limited company incorporated in 1998, 28 years ago. The registered office is at The American Barns Banbury Road, Lighthorne, Warwick, CV35 0AE, CV35 0AE. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Rle (UK) 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.