 In 1971, the Mobil Girgi company, engaged in the furnishing sector, took over the company who became F.C.Arredi Girgi Cantù' and paves the way for the return of Cantù to competitive football levels .In the season 1972–73 wins the Prima Categoria and is promoted to Serie D.

The first year of Serie D (1973–74) the Cantù finished 13th, with two points more than relegation places.