Santa Croce in Gerusalemme
In 1723, he moved to Rome to work in the studio of Sebastiano Conca. He painted in San Lorenzo in Damaso, San Giovanni Calibita, and the ceiling at Santa Croce in Gerusalemme. In March 1727, with Giuseppe Rossi as an assistant, Giaquinto opened an independent studio near the Ponte Sisto, in the parish of Saint Giovanni of the Malva in Rome. In 1734, he married Caterina Silvestri Agate.