latin america acquisition of grupo financiero uno in 2007 , citigroup completed its acquisition of grupo financiero uno ( gfu ) , the largest credit card issuer in central america , and its affiliates , with $ 2.2 billion in assets . the results for gfu are included in citigroup 2019s global cards and latin america consumer banking businesses from march 5 , 2007 forward . acquisition of grupo cuscatl e1n in 2007 , citigroup completed the acquisition of the subsidiaries of grupo cuscatl e1n for $ 1