Download entire 2023 Consumer Complaint Report

The DCI complaint index measures how many complaints the department received for a consecutive three-year period relative to the amount of product-specific premium a Missouri licensed company experienced that same period. For instance, if a company issues both homeowners and automobile insurance policies, the data would be segmented into a homeowner complaint index and an automobile complaint index.

The higher the index number, the worse the complaint record:

  • 100 percent means that the department received the normally expected number of complaints about that company.
  • 99 percent or less indicates the company was the subject of less than the normally expected number of complaints.
  • More than 100 percent shows the department received more than the normally expected number of complaints about that company.

The DCI encourages consumers to use the complaint index as a "tiebreaker" in choosing an insurance policy - after carefully considering individual insurance needs, benefits, premium costs, service and other factors in your purchasing decision.


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The complaint index compares the ratio of complaints to premium sales for each company to the industry average, for each line of business. The formula is:

Complaint index formula