A.M. Best Co., The Insurance Information Source, offers comprehensive data to insurance professionals. Founded in 1899 by Alfred M. Best, A.M. Best is the world's oldest and most authoritative source of insurance company ratings and information. Its Best's Ratings are the industry's standard measure of insurer financial performance.
A.M. Best is a Nationally Recognized Statistical Rating Organization (NRSRO) that evaluates the financial quality of institutions’ debt, the claims-paying ability of life insurers, and the deposit credit rating of banks.
A.M. Best Company, Inc. is an American rating agency designated as an NRSRO by the U.S. Securities and Exchange Commission.