The register
The register lists Maddox Gallery 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).
Maddox Gallery Limited is the registered name (Companies House number 09604183), a private limited company on the register since 2015. The registered office is at Elsley Court, 20-22 Great Titchfield Street, London, W1W 8BE, W1W 8BE. By its SIC codes the business is in retail.
For a candidate this means one less obstacle: Maddox Gallery Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.