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.
While residing in Europe, Soutzos coordinated the gathering and dissemination of funds for the Greek struggle for independence and maintained ties with the "Zakynthos Committee" affiliated with Dionysios Romas. Prior to Ioannis Kapodistrias' assumption of Greek governance, Soutzos was considered a viable candidate for this position.