Jpmorgan Chase Banking, commonly known as "Small Mo" or "small Mo", is a multinational financial services institution and one of the largest banks in the United States, with business in more than 60 countries, including investment banking, financial transaction processing, investment management, commercial financial services and personal banking. Jpmorgan Chase is the commercial banking part of the jpmorgan Group, and its consumer financial services business is primarily aimed at middlemen rather than end users.