The register
The register lists Ruba Limited in Teddington as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as Ruba Limited, number 11030832, incorporated 2017: 9 years of filings behind the name. The registered office is at 7 Standish Street, Burnley, BB11 1AP, BB11 1AP. By its SIC codes the business is in hospitality. It has traded under other names before, including Oumsiya Ltd.
Holding a licence is the expensive, slow part done. For Ruba Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.