2026 AM Best rating

Grinnell Mutual earns AM Best rating of ‘A’

AM Best has affirmed an “A” (Excellent) Financial Strength Rating (FSR) for Grinnell Mutual. The “A” rating and stable outlook for the future apply to Grinnell Mutual Reinsurance Company, SI, Grinnell Select Insurance Company (GSI), and Grinnell Compass, Inc. Grinnell Mutual has received an “A” rating since 1976. 

AM Best also affirmed the company’s Long-Term Issuer Credit Ratings (ICRs) as “a+” (Excellent).

AM Best is a leading rating agency for assessing property-casualty companies’ financial stability.