The origins of the company began in 1812, the year in which Gregorio Mirat installed a starchfactory in Salamanca. Afterwards, different lines of the business were developed. In 1841 his son Juan Casimiro was born, he would be very important in the development of Mirat. In 1853 Gregorio introduced his son into the business, and later the factory was called "Mirat e Hijo". Juan Casimiro applied knowledge acquired on his trip to France and in 1876 the company started to export abroad. The same year, in 1876, the factory was moved near to the river Tormes to the Convent of Saint Jerome. In 1881, rice starch, which was important for ironing clothes started to be produced. During this time it turned into the one of the first factories of Salamanca that began to use steam as a motive power. Also at their disposal was one storehouse near to the old main square that in 1902 Casimiro decided to use for reconstruction and build some small hotels. That is why even now that place is known as "Avenida de Mirat". In 1933 the company began to work as a cooperative association and in 1963 they begin to produce compound manures. The building of the factory of Mirat is the only well-conserved industrial architecture of the 19th century in Salamanca.
Inside the workshops of the factory there is the Convent of Nuestra Señora de la Victoria which belonged to the Order of Saint Jerome, which was founded in 1490 and after 3rd centuries of prosperity was destroyed by French troops during the Peninsular war. After unsuccessful industrial experiences that demolished the main part of the building the area finally fell into Mirat family hands. They then organized the production of manures using a religious part of the building that was, still is, in good condition. The factory still has remains of the walls, cellars and some parts of the old convent. Between the remains stands a huge vaulted arch of 3 meters by Juan de Álava and some others stone emblems. The flues, the workshops of the 16th century, high arcades of bricks and arches complete the testimony of the industrialization period.
Divisions of the Group
Fertilizers
Seed
Division of gardening: Vitaterra, Vitaterra Nature, Mas Plant. Vitaterra is the largest Spanish manufacturer of garden manures and fertilizers.