The register
The register lists ion Ventures Ltd in Oxted, Surrey 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).
Ion Ventures Ltd is the registered name (Companies House number 11525716), a private limited company on the register since 2018. The registered office is at Warnford Court, 29 Throgmorton Street, London, EC2N 2AT, EC2N 2AT. By its SIC codes the business is in professional and technical services.
Holding a licence is the expensive, slow part done. For ion Ventures Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.