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What each rating evaluates
Insurer financial strength rating
AM Best defines a Best’s Financial Strength Rating (FSR) as “an independent opinion of an insurer’s financial strength and ability to meet its ongoing insurance policy and contract obligations.” The focus is the insurer’s capacity to meet obligations under its policies and contracts, not the merits of a particular claim. AM Best’s rating definitions state that an FSR is not assigned to an individual policy and does not assess claim-payment procedures or an insurer’s decisions to dispute or deny claims.
Credit rating
“Credit rating” describes several kinds of assessments, so first identify what is being rated. AM Best distinguishes financial strength ratings from issuer credit ratings and issue credit ratings. Its definition describes a Best’s Credit Rating as a forward-looking independent opinion of an insurer’s, issuer’s, or financial obligation’s relative creditworthiness. Moody’s global long-term ratings, for example, are forward-looking opinions of relative credit risk, including the likelihood of default or impairment and the expected loss if that occurs. Moody’s global rating scales apply that long-term scale to issuers or obligations with original maturities of 11 months or more; that threshold describes this Moody’s scale, not every credit rating.
How important is an insurer’s issuer credit rating?
It can add context about the financial position of the rated company, but it is not a substitute for an insurer financial strength rating. An issuer rating concerns the issuer’s financial obligations; an issue rating concerns a specified instrument. A policyholder-focused FSR addresses a different obligation: insurance policies and contracts. Check whether the company named in a rating is the actual insurer, its parent, or another legal entity before applying it to a policy.
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AM Best’s methodology illustrates why a rating is not a simple pass/fail test: its issuer-credit analysis uses a “building block” approach that considers balance-sheet strength, operating performance, business profile, and enterprise risk management. Those factors inform an agency opinion; they do not amount to a direct assessment of an individual future claim. AM Best’s credit rating process explains its methodology.
Compare the rating that matches the obligation
| Rating type | What is rated | Question it addresses |
|---|---|---|
| Insurer financial strength rating | An insurer | How strong is the insurer, and can it meet ongoing policy and contract obligations? |
| Issuer credit rating | A company or other issuer | How creditworthy is the issuer in meeting its financial obligations? |
| Issue credit rating | A specific debt instrument or obligation | What is the credit risk associated with this particular instrument? |
This is a conceptual distinction, not a conversion chart. Agencies define their rating types and symbols independently; similar-looking grades do not establish equivalence between AM Best, Moody’s, S&P, or Fitch.
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What a rating does not tell you
- Whether a particular claim will be paid. AM Best says an FSR does not assess claim-payment procedures or an insurer’s reasons for disputing or denying a claim.
- How fast or well claims are handled. A financial-strength or credit rating is not a customer-service or claims-speed score.
- Whether a policy is right for you. The rating does not settle questions about coverage terms, price, service information, or applicable consumer protections.
- What will happen in the future. AM Best describes ratings as forward-looking opinions, not facts or guarantees of future credit quality. It also says they are not recommendations to buy, hold, or terminate an insurance policy. See AM Best’s explanation of rating limitations.
How to check a rating before relying on it
- Identify the exact subject. Match the named entity to the insurer underwriting your policy; distinguish it from a parent company, subsidiary, issuer, or debt instrument.
- Read the rating type and agency. Confirm whether it is an FSR, issuer rating, or issue rating, and use the agency’s own definition of the symbol.
- Check the current agency record. Review the rating action and date, along with any outlook, suspension, or non-rated status shown there. Ratings and company-specific details can change.
- Use it alongside other decision factors. Consider the policy’s terms, price, service information, and consumer protections separately; do not treat a grade as a complete purchase recommendation.
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