Cornerstone Research is a consulting firm that provides economic and financial analysis to attorneys, corporations, and government agencies. The company was founded in 1989 and is headquartered in Washington, D.C. Cornerstone Research's services include economic and financial analysis, market research, and expert testimony. The company's clients include law firms, corporations, and government agencies in a variety of industries, including healthcare, finance, and technology. Cornerstone Research has offices in several cities across the United States and in London.