He established the Geulah company, which bought up land in Palestine from Arabs, and became involved in the import business, especially machinery and automobiles to replace the horse-drawn carriages that had served as the primary transportation from Jaffa port to Jerusalem and other towns. He also co-founded a boat company that bore his name, and served as the Belgian consul. When Dizengoff learned that residents were organizing to build a new neighborhood, Tel Aviv, he formed a partnership with the Ahuzat Bayit company and bought land on the outskirts of Jaffa, which was parceled out to the early settlers by lot.