First Southwest Co. was an investment banking firm focused on providing public finance, asset management, capital markets, corporate finance, and clearing services. The Firm's corporate finance services included sell-side acquisition advisory, buy-side acquisition advisory, divestiture, fairness opinion, and recapitalization. First Southwest Co. was formed in 1946 and was based in Dallas, Texas. In January 2011, First Southwest Co. was combined with Southwest Securities, Inc. to form Hilltop Securities, Inc.