It provides economic and financial analysis and expert testimony to attorneys, corporations and government agencies involved in complex litigation and regulatory proceedings.

In 2014, Cornerstone Research opened its first international office in London, United Kingdom.

The company's practice areas include: accounting; antitrust and competition; bankruptcy and financial distress litigation; consumer fraud and product liability; corporate and government investigations; corporate governance; corporate transaction litigation; data analytics; Employee Retirement Income Security Act (ERISA); energy and commodities; financial institutions; intellectual property; international arbitration and litigation; labor and employment; pharmaceuticals and healthcare; real estate; securities; and valuation.

The firm collaborates on the "Securities Class Action Clearinghouse" in conjunction with the Stanford University Law School.

[4] According to a university website, the clearinghouse provides summary information regarding federal class action securities litigation in the United States.