The Trabaldo Togna family's holding company Auriga SA holds 100% of PKB's shares and through this PKB stake it also holds 99.5% of Cassa Lombarda SpA in Milan.

PKB holds all the share capital in Alasia SA in Lugano and PKB Banca Privada SA in Panama.  It also holds shares in Anthilia Capital Partners SGR SpA (Milan) and with Cassa Lombarda it controls 100% of the Italian fiduciary company PKB Servizi Fiduciari SpA (Milan).

PKB is bound by the "Agreement by Swiss Banks and Securities Dealers on Depositor Protection". As a result, clients' deposits are guaranteed up to CHF 100,000.- per client.