The register
The register lists GCC Exchange UK Limited in Southall 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).
At Companies House the business is Gcc Exchange UK Limited (company number 06030454), a private limited company incorporated in 2006, 19 years ago. The registered office is at 90 High Street, Southall, UB1 3DB, UB1 3DB. By its SIC codes the business is in finance and insurance. It has traded under other names before, including Gcc Exchange Private 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.