The register
The register lists Solution In Sec Limited in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
At Companies House the business is Solution in Sec Limited (company number 13448673), a private limited company incorporated in 2021, 5 years ago. Registered office: 11 High Road, London, N22 6HH, N22 6HH. Its filed activity puts it in other services.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Solution In Sec Limited's own careers page and the job boards, and the answer changes with the season and the order book.