The register
The register lists This Is Synthesis UK Ltd in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
This IS Synthesis UK Ltd is the registered name (Companies House number 15825437), a private limited company on the register since 2024. The registered office is at Ground Floor, 123 Pall Mall, London, SW1Y 5EA, SW1Y 5EA. By its SIC codes the business is 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 This Is Synthesis UK Ltd's own careers page and the job boards, and the answer changes with the season and the order book.