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Hanover Insurance Group Is Expanding in Specialty Lines—But How Durable Are High-80s Combined Ratios?

The Hanover Insurance Group reported strong financial and operational results for the fourth quarter and full year 2025, reflecting disciplined execution across its diverse insurance segments. The company achieved record quarterly operating earnings per share and an all-time high operating return on equity of 20% for the full year, supported by favorable weather conditions and robust underlying profitability. The combined ratio for 2025 improved by over three points year-over-year to 91.6%, with a 2025 catastrophe loss load well below expectations at 4.5 points, contributing to improved overall underwriting results. Expense ratios modestly increased to 31.1%, driven by higher variable agency and employee compensation tied to strong underwriting outcomes, alongside ongoing investments to support future growth. Within its segments, Personal Lines exhibited improved profitability with a current accident year ex-CAT combined ratio of 85.3%, aided by pricing actions, reduced claim frequency, and portfolio diversification focused on 11 targeted states.