H. Silver and Associates is the largest and most prestigious consulting company specializing in new-business acquisition and proposal preparation in the U.S. Nineteen of the top 20 U.S. contractors, 10 of the top 20 Canadian firms, and 15 of the top 30 European firms utilize its services to directly consult on major competitive procurements, to train proposal teams, and to improve their new business performance. HSA has been involved in over 2,200 competitions worldwide - posting a verifiable win rate for its clients of 85%.

At present the firm is involved in major procurements in the U.S. and many in Europe, including: two spacecraft programs, three computer programs, two aircraft/UAV programs, two missile programs, three telecommunications programs, three information warfare programs, one nuclear program, four technical support programs, and a number of construction, environmental control, anti-terrorism and drug interdiction programs.

Requests for HSA's services continue to increase. The company has grown proportionately, now numbering 200 professionals located in Los Angeles, Washington, D.C., and London.