Quick Answer: JPMorgan Chase & Co. is an American multinational banking institution headquartered in New York City and incorporated in Delaware. It is the largest bank in the United States, and the world's largest bank by market capitalization as of 2025. As the largest of the Big Four banks in America, the firm is considered systemically important by the Financial Stability Board. Its size and scale have often led to enhanced regulatory oversight as well as the development of an internal "Fortress Balance Sheet". The firm has had its global headquarters on 270 Park Avenue in Midtown Manhattan since 2025. JPMorgan Chase was created in 2000 by the merger of New York City banks J.P. Morgan & Co. and Chase Manhattan Company. Through its predecessors, the firm's early history can be traced to 1799, with the founding of what became the Bank of the Manhattan Company.