AM Best
A global credit-rating, data and analytics provider focused on the insurance industry.
Last updated August 25, 2026
Overview
AM Best is a professional ratings and information-services organization focused on the insurance industry. Its main activities include financial-strength ratings and issuer credit ratings for insurers and reinsurers, as well as insurance-market data, research, and analytical tools. Its services are used by insurers, reinsurers, brokers, investors, and other participants in insurance markets. AM Best’s ratings are intended to assess an insurance organization’s ability to meet policyholder and debt obligations, making them relevant to risk analysis, underwriting relationships, reinsurance arrangements, and investment research. The company operates across several insurance markets and delivers information through rating reports, databases, research, and digital products. Founded in 1899, AM Best has maintained a specialist focus on insurance rather than providing broad, cross-industry corporate ratings. Its market recognition is primarily associated with its insurance expertise, rating methodologies, and industry data. The company remains privately held; this entry does not state an ownership structure or a complete list of current executives.
History
AM Best was founded in 1899 and built its early information and ratings activities around the insurance industry. As insurance markets expanded, cross-border activity increased, and investors and regulators required more information on insurers’ financial capacity, the company developed services covering insurer credit ratings, financial-strength assessments, market data, and industry research. Unlike broad, multi-industry credit-rating firms, AM Best has maintained a specialist focus on insurance and reinsurance, using insurance databases, rating methodologies, and sector research as key differentiators. Its service formats have expanded from traditional rating reports to data platforms, analytical tools, and digital information products. The company is headquartered in Oldwick, New Jersey, and serves international insurance markets. The available material does not provide enough reliable information about historical organizational changes, executive transitions, or specific acquisitions, so those subjects are not expanded here.
- 1899
Products and positioning
Financial Strength Ratings
Ratings for insurers and reinsurers that assess their ability to meet policyholder and related financial obligations; this is one of AM Best’s signature services.
Issuer Credit Ratings
Credit evaluations of insurance-related issuers and their capacity to service debt, helping market participants assess institution-level credit risk.
Insurance Market Intelligence
Insurance-sector data, company information, and analysis supporting market research, competitive analysis, and risk assessment.
Insurance Research
Research and commentary on insurers, insurance markets, and sector risks for insurance professionals, investors, and other market participants.
Flagship businesses
- AM Best Credit Ratings
- AM Best Insurance Market Intelligence
Sources
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