The National Association of Insurance Commisioners maintains a database of insurance company information, including the number of complaints a given company has received. The graph depicts the relative number of complaints compared to a national average of 1.0.
There’s plenty of other insurance company data including licensing and financial information available at the NAIC site.
Insurance Complaints by Company for Private Passenger Policies
NAIC Note: The company’s “Total Complaints” are divided by the sum of the complaints of all companies under the policy type for the calendar year. This calculation provides the company’s “Complaint Share” of all complaints, nation-wide, under the policy type for the calendar year.
Global Receivership Information Database is a voluntary database provided by the state insurance departments to report information on insurer receiverships for consumers, claimants, and guaranty funds.
These statistics represent complaints that reached the state level and have been ‘closed’.
These numbers may not be the definitive word in some cases. GMAC Online’s total number of complaints was 14, the 4.42 complaint factor would be effected significantly by 1 more or less complaint. (GMAC providing .01% of U.S. market share)
Some companies had multiple divisions? that were reported on separately. Progressive had 2 other divisions with smaller market shares not shown on the graph. Progressive Cas Ins Co rating was 2.35 , while Progressive Advanced Ins Co rating was 0.52.