In a nutshell the SWIFT code is a unique bank code used for all interbank messaging. SWIFTNet FIN address based on BIC To identify endpoints on its network, SWIFT also uses 12-character codes that are derived from the BIC of the institution. AII transactions are related to derivatives admitted to trading on regulated markets where the ISO 6166 ISIN is not the industry method of identification. The FSA has therefore issued a reminder of the guidelines for this data I its recent newsletter. You can try the website that deals with SWIFT or BIC codes.

CountryCityBank NameBranchSWIFT
Italy Milano Corporate Family Office SIM S P A Corporate Family Office SIM S P A CFMMITM1XXX