Piacenti SpA has the SOA certificate, in the category OS2-A class V, OG2 classification III Bis n. 18761AL / 35/00 with the Bentleysoa www.autoritalavoripubblici.it guarantee, Certificate of quality Management System norm ISO 9001-2008 with the guarantee body RINA n.8122 / 03 / S (EA: 28A EA: 39): Project and execution of restoration, conservation and maintenance of cultural heritage such as paintings on canvas, panel or other transportable media, wall paintings, stucco, stone materials, wood and polychrome, either in their laboratory or on site consultable at www.rina.org.