The register
The register lists Zudu Ltd in Edinburgh 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 Zudu Ltd (company number SC472737), a private limited company incorporated in 2014, 12 years ago. The registered office is at Clockwise Commercial Quay, 84 Commercial St, Leith, Edinburgh, EH6 6LX, EH6 6LX. Its filed activity puts it in it, software and media. It has traded under other names before, including Enterprise Solutions Network Ltd.
Holding a licence is the expensive, slow part done. For Zudu Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.