As of July 16, 2007, C.E. Unterberg, Towbin was acquired by Collins Stewart, Inc. C.E. Unterberg, Towbin is a full service investment-banking firm focused on technology companies.

The firm offers a range of services including direct investments and private placements of equity, initial public offerings and follow-on offerings, corporate financial advisory, and mergers and acquisitions, research, sales and trading, and money management products. The firm supplies capital through its merchant and investment banking activities, including direct investments, private placements, and public offerings. Its research, sales, and trading activities focus on the buyers of technology stocks. Its private banking division provides investment services for corporations, their executives, employees, and high net worth investors.

C.E. Unterberg, Towbin was founded in 1931 and is based in New York City.