The register
The register lists Echo3 Limited 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).
Echo3 Limited is the registered name (Companies House number 05518931), a private limited company on the register since 2005. Registered office: 455 Railway Arches, Robeson Street, London, E3 4JA, E3 4JA. Its filed activity puts it in business services. It has traded under other names before, including Professional Embroidery UK Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Echo3 Limited's own careers page and the job boards, and the answer changes with the season and the order book.