US P/C Mutual Insurers: Underwriting Results Improve; Challenges Remain


Despite a highly competitive P/C industry, the mutual insurers rated by AM Best reported significant improvement in their underwriting performance in 2018, which contributed to solid surplus growth. AM Best’s annual report on the mutual insurance sector found that the segment’s net income more than tripled last year, owing to lower losses from catastrophic events.

AM Best is a global source of insurance ratings, data and market intelligence. Our annual Best’s Market Segment Report on P/C mutual insurers examines the segment from the building-block perspective of Best’s Credit Rating Methodology, focusing on:

  • Balance Sheet Strength
  • Operating Performance
  • Business Profile
  • Enterprise Risk Management