Using complaint and exposure data from the California Department of Insurance, we calculated the justified complaint ratio for auto insurance companies in California. We've listed them from the best (lowest complaint index) to the worst (highest complaint index). If a company has an index of 1.05, then that means it has a 5% higher share of complaints compared to its share of underwriting exposure.
Ameriprise was the winner of the J.D. Power study, scoring a 5/5 stars overall. They got top marks in their billing practices and in the flexibility of policies they offer to customers. They had slightly lower marks in their claims handling process (4/5) as well as their agents' interaction with customers. We could not get pricing for Ameriprise but the company is generally known for offering affordable and competitive rates.
I have had Progressive for years and have never had any trouble. My car got plowed into by a deer, and Progressive was reasonable to deal with. Their rates are also about the best I can find. We bundle in our home insurance (through some licensed third party) and save even more! Our rates just actually went down this past 6-month period which was a pleasant surprise.
When you receive your instant car insurance quote from Nationwide, you will get three options to choose from, making it easy to select a policy that’s right for you and your budget. You can also change coverages to create a more personalized policy. Find out more about Nationwide’s auto insurance coverage options which include collision, liability and comprehensive coverage.

Hi Eric – What you’ve seen is not an unusual situation. A company that’s good in one state isn’t in another. Liberty Mutual worked for you in California, but not in Florida. This is why it’s not possible to say one company is the best. That will vary by state and by your own personal profile. That’s why we produce these “10 Best” lists, to give you companies to investigate.
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