The register
Istimar Ltd, London, holds a Home Office sponsor licence on the Skilled Worker route, and has been on the register since at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as Istimar Ltd, number 12522212, incorporated 2020: 6 years of filings behind the name. The registered office is at Level Thirty 39, One Canada Square, Canada Square, London, E14 5AB, E14 5AB. Its filed activity puts it in it, software and media.
Holding a licence is the expensive, slow part done. For Istimar Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.