They form an integrated system of banks (Association of Volksbanks) connected through a contract of collaboration.

Volksbank Wien is the largest regional bank of the association and acts as central entity for the network.

[3] The central service functions were transferred from ÔVAG [de] to Volksbank Wien AG in July 2015.

[4] The "remainder of ÖVAG" subsequently continued to operate as a wind-down entity under the name of immigon portfolioabbau ag.

The representative association of the Volksbank Group members is the Österreichischer Genossenschaftsverband [de] (ÖGV), established in 1872.