On the lateral walls are paintings by Giacomo Boni and Enrico Vaymer depicting Events in the life of St Francis of Sales.

In the first chapel on the left is a statue of an angel by Daniele Solari and a canvas depicting Pope Pius V verifies the stigmata of St Francis of Assisi by Domenico Piola.

In the second chapel on the left, a painting by Domenico Piola depicting the St Catherine’s Vision of Christ on the Cross as well as episodes of the life of St. Philip by Boni.

In the presbytery the billowing statuary group of St Philip in Heaven, designed and begun by Domenico Guidi, was completed with the help of his assistant Honoré Pelle.

[1] The nave of the San Filippo Neri was used as the school's concert hall during those years, and the adjacent rooms and structures were turned into classrooms.