The list is searchable by GIIN or Financial Institution Name. The list is located on the FATCA Website.  Use the Search and Download Tool to find out if a Foreign Financial Institution (FFI) has registered.  Download an entire list of Financial Institutions or search for a specific Financial Institution.
 
FATCA requires FFIs to register with the Internal Revenue Service to report their U.S. owned accounts or be subject to a 30 percent withholding tax on their U.S. source income. The July 1 deadline for beginning FATCA reporting is next month.  

 

 Source:

IRS