Citigroup Inc. or Citi is an American multinational financial services corporation headquartered in Manhattan, New York City. Citigroup was formed from one of the world’s largest mergers in history by combining the banking giant Citicorp and financial conglomerate Travelers Group in October 1998 (announced on April 7, 1998). The year 2012 marked Citi’s 200th anniversary. It is currently the third largest bank holding company in the United States by assets.
Citigroup has the world’s largest financial services network, spanning 140 countries with approximately 16,000 offices worldwide. It also holds over 200 million customer accounts in more than 140 countries. It is one of the primary dealers in US Treasury securities.