It is the central institution for the savings banks in North Rhine-Westphalia and Brandenburg, and as a commercial bank operating internationally it acts as their link to the global financial markets.
WestLB on NRW ja Brandenburgi hoiupankade keskpank ning on rahvusvaheliselt tegutseva kommertspangana vahelüliks hoiupankade ja ülemaailmsete finantsturgude vahel.