The register
The register lists ISYSTANGO Limited in Croydon as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
At Companies House the business is Isystango Ltd (company number 12592502), a private limited company incorporated in 2020, 6 years ago. Registered office: 2nd Floor College House, 17 King Edwards Road, Ruislip, London, HA4 7AE, HA4 7AE. Its filed activity puts it in it, software and media.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for ISYSTANGO Limited's own careers page and the job boards, and the answer changes with the season and the order book.