Well-known investment banks include Goldman Sachs, Merrill Lynch and Citigroup. Investment banks are different from commercial banks in the fact that investment banks don't accept deposits, although some banks such as Citigroup ''do'' provide commercial banking services to both individuals and small businesses. | Well-known investment banks include Goldman Sachs, Merrill Lynch and Citigroup. Investment banks are different from commercial banks in the fact that investment banks don't accept deposits, although some banks such as Citigroup ''do'' provide commercial banking services to both individuals and small businesses. |