The company was founded by Pasquale Ermini in 1932, opening its first workshop in Via Campo D'Arrigo,Florence, preparing sports cars for local drivers.

In 1946, Pasquale Ermini developed his first car based on the Alfa Romeo 2500SS and with it, managed to win the title of Italian vice-champion in the Sport Maggiore category.

In 1947 he founded the Scuderia TESS (testa emisfera super sport) with which he achieved seventh place overall at the Mille Miglia of the same year.

Due to the founder's health conditions, Ermini ceased production in 1956, but continued to provide assistance to its drivers until 1962, the year in which the last workshop in Viale Matteotti finally closed.

[7] The chassis was developed by Osella on the basis of its sports prototypes, with bodywork design by Giulio Cappellini and equipped with a 320-horsepower Renault engine, with an estimated production of 9 units.