A.M. Best Company Inc. is a US-based credit rating agency with a focus on the insurance industry. The company issues financial strength ratings for insurers, reinsurers, captives and other risk-bearing entities, and publishes in-depth reports on industry segments and key topics. It issues fixed-instrument debt ratings that cover bonds, notes, securitization products and other financial instruments issued by insurers and reinsurers; and publishes insurance industry references and resources, online and in print. Insurance professionals, brokers, regulators and consumers refer to Best's credit ratings as an opinion of the financial strength and creditworthiness of risk-bearing entities and investment vehicles. A.M. Best has a regional office in Mexico City.