The register
The register lists SSM AT 379/381 Ltd in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. The register records its rating as Worker (A rating).
At Companies House the business is Ssm at 379/381 Limited (company number 12416924), a private limited company incorporated in 2020, 6 years ago. Registered office: 379-381 High Street North, London, E12 6PG, E12 6PG. Its filed activity puts it in hospitality.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for SSM AT 379/381 Ltd's own careers page and the job boards, and the answer changes with the season and the order book.