The register
The register lists Umum 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).
Umum Ltd is the registered name (Companies House number 16038696), a private limited company on the register since 2024. The registered office is at Spaces - Office No. 1.62x 77 The Foundry, London, W6 8JA, W6 8JA. Its filed activity puts it in retail.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Umum Ltd's own careers page and the job boards, and the answer changes with the season and the order book.