 The Goldman Sachs Group, Inc. GS is an American multinational investment bank and financial services company headquartered in New York City. It offers services in investment management, securities, asset management, prime brokerage, and securities underwriting. The company invests in and arranges financing for startups, and in many cases gets additional business when the companies launch initial public offerings. Notable initial public offerings for which Goldman Sachs was the lead bookrunner... 