A form of banking done by investment banking firms for corporations, often in exchange for fees and commissions. The bank performs public offerings, acts as a broker, and carries through mergers and acquisitions.
Investment banks help companies and governments and their agencies to raise money by issuing and selling securities in the primary market. The sector takes the North American Industry Classification System (NAICS) code 523110. They assist public and private corporations in raising funds in the capital markets (both equity and debt), as well as in providing strategic advisory services for mergers, acquisitions and other types of financial transactions.