It was built in the 18th century to house the city's administrative council, and it was subsequently used as the General Post Office and the Public Registry.

The Banca Giuratale was originally a house which belonged to Dr. Gio Batta Piotto, and it was taken over by the treasury of the Order of St. John in 1665.

In 1721, the Università, which was the local administrative council of Valletta, acquired the building in exchange for its original premises located across the street (now the Monte di Pietà).

The latter has now moved to Evans Building,[1] and the Banca Giuratale now houses the Ministry for the Economy, Investment and Small Business.

This includes a bust of Grand Master Zondadari, carved figures and drapery and a marble slab with the following Latin inscription:[16]