[2] In October 1898, Giovanni Battista and Matteo co-founded Ceirano GB & C and started producing the Welleyes motor car in 1899.
In July 1899, the plant and patents were sold to Giovanni Agnelli and produced as the first F.I.A.T.s - the Fiat 4 HP.
Giovanni Battista was employed by Fiat as the agent for Italy, but within a year he left to found Fratelli Ceirano & C. which in 1903 became Società Torinese Automobili Rapid (S.T.A.R.)
In 1906, Matteo left Itala to found S.P.A. (Società Piemontese Automobili) with chief designer, Alberto Ballacco.
The Welleyes was presented on 30 April 1899, and was designed by Aristide Faccioli, one of the most brilliant car engineers at the time.