The register
The register lists Overseas Immigration LTD in Hounslow 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 Overseas Immigration Ltd, number 13208915, incorporated 2021: 5 years of filings behind the name. Registered office: Suite 13 5 Hercules Way, Leavesden Park, 5 Hercules Way, Watford, Hertfordshire, WD25 7GS, WD25 7GS. By its SIC codes the business is in other services.
Holding a licence is the expensive, slow part done. For Overseas Immigration LTD the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.