The Bank for International Settlements (BIS) is a banker's bank. BIS serves the world's central banks as well as other official monetary institutions and nations. Serving some 140 financial institutions, BIS promotes cooperation among central banks, conducts economic research, and offers asset management, money market instruments, fixed-rate investments, foreign exchange, and short-term credit. The bank does not offer financial services to individuals or corporations. In addition to its head office in Basel, Switzerland, the bank has representative offices in Hong Kong and Mexico City. Founded in 1930, BIS is one of the world's oldest international financial institutions.