The register
The register lists Riverside Stores Limited in London, England 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 Riverside Stores Limited, number 04659033, incorporated 2003: 23 years of filings behind the name. The registered office is at 131 Bellingham Road, London, SE6 2PP, SE6 2PP. Its filed activity puts it in retail. It has traded under other names before, including Clublights Limited.
Holding a licence is the expensive, slow part done. For Riverside Stores Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.