A.M. Best Company is a global full-service credit rating agency dedicated to serving the financial and health-care service industries. It began assigning credit ratings in 1906, making it the first of today's rating agencies to use symbols to differentiate the relative creditworthiness of companies.
Best's Credit Ratings are independent opinions regarding the creditworthiness of an issuer or debt obligation. Best's Credit Ratings are based on a comprehensive quantitative and qualitative evaluation of a company's balance sheet strength, operating performance and business profile, or, where appropriate, the specific nature and details of a debt security. A complete list of Best's Credit Rating Methodologies is available.
A.M. Best assigns the following types of ratings: