The register
The register lists The National Gallery in London as a licensed sponsor on Skilled Worker and Creative Worker, 2 routes in all, and has done since at least 2026. Its rating on the register is Worker (A rating), Temporary Worker (A rating).
At Companies House the business is National Gallery Global Limited (company number 02280277), a private limited company incorporated in 1988, 38 years ago. The registered office is at The National Gallery, Trafalgar Square, London, WC2N 5DN, WC2N 5DN. Its filed activity puts it in retail. It has traded under other names before, including National Gallery Company Limited, National Gallery Publications Limited.
Holding a licence is the expensive, slow part done. For The National Gallery the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.