In 1973, the designer co-founded, with her brother Massimo Ferretti, the Aeffe company, a successful clothing and distribution company which manufactures and distributes ready-to-wear clothing for brands such as Moschino, Moschino Cheap & Chic and Pollini, as well as the Alberta Ferretti range.
The Ferretti brand has been expanded over the years to include a denim line, bridalwear, childrenswear, and sportswear.