A.M. Best's Key Ratings Guide is a reference book containing credit ratings and financial information on insurance companies doing business in the United States and Canada, according to A.M. Best. Best's Rating Reference Guide provides information to insurance industry professionals about life and health, and property and casualty companies.
For over 100 years, the Key Ratings Guide has provided financial data, individual five-year credit rating reports and personalized company reports on thousands of insurance companies, states A.M. Best. First published in 2013, the Best's Rating Reference Guide contains Best's credit ratings and other data for approximately 2,700 property and casualty companies. A separate edition of the guide contains ratings and data for approximately 1,695 life and health insurers based in the United States, including health maintenance organizations.