In 1828 he founded at Monte Calvario near Domodossola, a new religious community, the Institute of Charity, known generally since as the Rosminians. In the autumn of 1830 he inaugurated the observance of the rule at Calvario, and from 1834 to 1835 had charge of a parish at Rovereto. Later foundations followed at Stresa and Domodossola. The Constitutions of the institute were approved by presented to Pope Gregory XVI on 20 December 1838. The institute spread rapidly in England and Italy, and requests for foundations came from various countries.