Fiat-Brevetti was an Italian automobile manufacturer established on March 7, 1905, in Turin, Italy. The company was founded by Cavaliere Michele Ansaldi, a prominent industrialist in Piedmont, who sought to enter the automotive industry. Initially, Fiat held a 45 percent stake in the company, providing technical assistance, while Ansaldi retained the majority share of 55 percent.

The first model produced by Fiat-Brevetti was a 10/12 horsepower vehicle featuring a four-cylinder T-head engine, a three-speed gearbox, and chain drive. In 1906, the company began to implement shaft-driven systems in its vehicles, starting with the 15/25 horsepower Tipo 2, which utilized a patented rear axle design developed by Cesare Momo. This innovation marked a significant shift in the design of Fiat vehicles, as the company transitioned from producing only chassis to manufacturing complete cars.

Under the technical direction of Alfredo Rostain, Fiat-Brevetti produced approximately 1,600 vehicles at a rate of 500 units per year until 1912. The factory in Via Cuneo became a site for the production of these automobiles, which incorporated advancements such as shaft drive and torque tube technology. However, in 1908, Ansaldi divested his shares in Fiat-Brevetti to Fiat and began investing in another company, S.P.A. of Turin. Following this change in ownership, Fiat continued to produce cars at a reduced rate until the factory ceased operations in 1912, after which it was repurposed for the production of marine diesel engines by Fiat Grandi Motori.