The register
The register lists Dbr (london) Limited 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 Dbr (london) Limited (company number 02519958), a private limited company incorporated in 1990, 36 years ago. Registered office: Tintagel House, 92 Albert Embankment, London, SE1 7TY, SE1 7TY. Its filed activity puts it in construction. It has traded under other names before, including David Ball Restoration (london) Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Dbr (london) Limited's own careers page and the job boards, and the answer changes with the season and the order book.