AM Best Affirms A+ Ratings Across MSIG USA Platform and Assigns A+ Rating to New E&S Company

NEW YORK, June 8, 2026 /PRNewswire/ -- MSIG USA today announced that AM Best has affirmed the A+ (Superior) Financial Strength Ratings and "aa" (Superior) Long-Term Issuer Credit Ratings for its existing U.S. insurance companies and assigned an A+ (Superior) Financial Strength Rating and...

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