During his stay in Europe, he arranged for the collection and distribution of money in favor of the Greek War of Independence and he was in contact with the "Zakynthos Committee" of Dionysios Romas. Before the undertaking of the governance of Greece by Ioannis Kapodistrias, Soutzos was one of the possible candidates to occupy this position.
During his time in Europe, Soutzos facilitated the collection and dissemination of funds for the Greek struggle for independence and maintained contact with the "Zakynthos Committee" associated with Dionysios Romas. Before Ioannis Kapodistrias' leadership of Greece, Soutzos was a potential candidate to fill this role.