Wells Fargo Customer Service & Company is a multinational financial services provider that operates in 35 countries and serves over 70 million customers worldwide. It has a significant global presence and is classified as a systemically important financial institution by the Financial Stability Board. Among the “Big Four Banks” in the United States, it operates alongside JPMorgan Chase, Bank of America, and Citigroup. The company’s primary subsidiary is Wells Fargo Bank, N.A., which is designated as a national bank. Its main office is located in Sioux Falls, South Dakota, and it is considered a citizen of South Dakota by most U.S. federal courts. With total assets of more than $1.9 trillion, it is the fourth-largest bank in the United States, as well as one of the largest in terms of bank deposits and market capitalization.