MSIG USA’s A+ Ratings Reaffirmed by S&P and AM Best, Highlighting Strong Market Position and Strategic Leadership 

MSIG USA today announced that S&P Global Ratings and AM Best have both reaffirmed the company’s A+ ratings. This recognition underscores the company’s strong financial foundation, operational performance, strategic risk management practices, and unwavering commitment to delivering unparalleled insurance solutions.  

S&P Global Ratings assigned MSIG USA an Issuer Credit Rating and Financial Strength Rating of A+/Stable. In its assessment, S&P highlighted MSIG USA’s robust capitalization, prudent underwriting practices, and its strategic alignment with Mitsui Sumitomo Insurance Group’s global operations​​. 

Similarly, AM Best affirmed MSIG USA’s Financial Strength Rating of A+. The ratings reflect MSIG USA’s solid balance sheet, high-quality investment portfolio, and consistent operating performance. AM Best also noted the company’s effective enterprise risk management framework and its strong market presence in the commercial casualty sector​​. 

“We are extremely pleased with the reaffirmation of our A+ ratings from both S&P and AM Best,” said Peter McKenna, CEO of MSIG USA. “These ratings underscore our disciplined approach to underwriting and our unwavering commitment to providing superior service to our clients. This foundation allows us to deliver innovative insurance solutions and continue to drive sustainable growth in the US market.” 

Akihiko Ikeno Chairman, Interim Chief Executive Officer & President of MSIG Holdings (U.S.A.), Inc., added, “The affirmed ratings highlight the resilience and solid foundation that MSIG USA provides. With our 300-year heritage of excellence, we are dedicated to delivering exceptional service and leveraging our extensive experience to consistently exceed client expectations.” 

MSIG USA is the marketing name used to refer to certain underwriting subsidiaries of MSIG Holdings (U.S.A.), Inc. (“MSIGH”), and its subsidiary companies. U.S. Companies Only: MSIG insurers are subsidiaries of Mitsui Sumitomo Insurance Company, Limited, a member of MS & AD Insurance Group. MSIG refers to the insurers underwriting coverage: Mitsui Sumitomo Insurance Company of America, Mitsui Sumitomo Insurance USA Inc. and MSIG Specialty Insurance USA Inc.