Booz Allen Hamilton NYSE: BAH, or more commonly Booz Allen, is an American public consulting firm headquartered in McLean, Fairfax County, Virginia, with 80 other offices throughout the United States. Ralph Shrader is its Chairman and Chief Executive Officer. The firm was founded by Edwin Booz in Chicago circa 1914. It is listed as number 438 in the 2011 Fortune 500.
Booz Allen is a defense and homeland security contractor for the US federal government. Booz Allen’s services include strategy design, operations improvement, information technology work, systems engineering, organizational change efforts, modeling and simulation, program management, specialist staff augmentation, assurance and resilience, and economic and business analysis.
As of August 2008, what was formerly Booz Allen Hamilton’s parent company (which used the Booz Allen name itself) divided in two. The Booz Allen Hamilton moniker was retained by the half focusing on U.S. governmental matters, with Booz & Company taking sole control of its commercial strategy and international portfolio. Booz Allen Hamilton is majority owned by private equity firm The Carlyle Group, while Booz & Company is owned and operated as a partnership. On November 17th, 2010 Booz Allen's shares of common stock began trading at the New York Stock Exchange under the ticker symbol BAH.