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Ratings for The Hartford Steam Boiler Group's member companies maintained by AM Best remain unaltered

Insurance Rating Firm AM Best maintains Superior Financial Strength Rating (FSR) of A++ and long-term issuer credit ratings for undisclosed entities, as announced in Oldwick, N.J. (Business Wire review).

Ratings for credit of members within The Hartford Steam Boiler Group have been maintained by AM...
Ratings for credit of members within The Hartford Steam Boiler Group have been maintained by AM Best

Ratings for The Hartford Steam Boiler Group's member companies maintained by AM Best remain unaltered

HSB Affirmed with Superior Ratings by AM Best

The Hartford Steam Boiler Group (HSB) has maintained its exceptional financial strength and stability, as evidenced by its A++ (Superior) Financial Strength Rating and "aa+" (Superior) Long-Term Issuer Credit Ratings from AM Best. The ratings were affirmed on July 31, 2025.

HSB's strong business performance and credit profile have been reflected in these ratings, which are the highest awards given by AM Best. The ratings apply to HSB's members, including The Hartford Steam Boiler Inspection and Insurance Company, The Boiler Inspection and Insurance Company of Canada, HSB Specialty Insurance Company, and HSB Engineering Insurance Limited.

As a leading specialty insurer and technology provider, HSB is noted for its innovative approaches, such as its IoT sensor program. The latest addition to this program is the Meshify Defender Slim sensors, designed for water leak and freeze detection.

HSB's technological edge supports its business strength and future growth potential. In fact, the company's five-year average combined ratio of 84.8% significantly outperforms the commercial property composite average of 92.6% over the same period. This exceptional performance is underpinned by consistently excellent profitability metrics.

HSB is part of Munich Re’s global IoT business, enhancing its risk management offerings. This strategic alignment further strengthens HSB's position in the specialty insurance sector.

For more information, contact:

  • Al Slavin, Senior Public Relations Specialist at AM Best, at 1 908 882 2318 or [email protected].
  • Gregory Dickerson, Director at AM Best, at 1 908 882 1737 or [email protected].
  • Steven M. Chirico, CPA, another Director at AM Best, at 1 908 882 1694 or [email protected].
  • Christopher Sharkey, Associate Director, Public Relations at AM Best, at 1 908 882 2310 or [email protected].

Sources:

[1] AM Best Affirms Credit Ratings of Members of The Hartford Steam Boiler Group (HSB); Outlook Stable. (2025, July 31). Retrieved from https://www.ambest.com/press/20250731.html

[3] Hartford Steam Boiler Group (HSB) Maintains Superior Ratings from AM Best. (2025, July 31). Retrieved from https://www.businesswire.com/news/home/20250731005647/en/Hartford-Steam-Boiler-Group-HSB-Maintains-Superior-Ratings-from-AM-Best

[5] Hartford Steam Boiler Group (HSB) Achieves Superior Ratings from AM Best. (2025, July 31). Retrieved from https://www.prnewswire.com/news-releases/hartford-steam-boiler-group-hsb-achieves-superior-ratings-from-am-best-301393993.html

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