DECOMANIA gallery was founded in 1980 by Gianfranco Ceccarini and Sergio Mangeli in the prestigious artistic quarter of Brera, in via Fiori Chiari, Milan.

It was one of the first galleries that offered the public the opportunity to know and enjoy the decorative arts of the twentieth century. 

In 1993 Ornella Santagata and Gianbattista Hill took it over and carried on with the same historical line, introducing important names of jewellery ;  David Webb, Van Cleef, Cartier, Tiffani, etc.. 

Currently Valeria Colombo collaborates with them: she takes care of the conservation and restoration of works of art