Stifel Financial Corp. operates as the bank holding company for Stifel, Nicolaus & Company, Incorporated that provides retail and institutional wealth management, and investment banking services to individual investors, corporations, municipalities, and institutions in the United States and internationally. It operates in three segments: Global Wealth Management, Institutional Group, and Other. The company provides private client services, including securities transaction and financial planning services; securities brokerage services, such as the sale of equities, mutual funds, fixed income products, and insurance; institutional equity and fixed income sales, trading and research, and municipal finance services; investment banking services, such as mergers and acquisitions, public offerings, and private placements; and retail and commercial banking services comprising personal and commercial lending programs, as well as deposit accounts. It participates in and manages underwritings for corporate and public finance; and offers financial advisory and securities brokerage services. The company was founded in 1890 and is headquartered in Saint Louis, Missouri.