Use J.D Power insurance ratings to determine which supplier of vehicle, home or health insurance is best, explains J.D. Power and Associates. J.D. Power collects the opinions of a sample group of insurance buyers and uses that information to choose the best insurance companies in different categories.
The consumers in the J.D. Power opinion studies own or have owned insurance from various companies, so they represent typical experiences other insurances buyers are likely to have, according to J.D. Power and Associates. In 2015, J.D. Power rated auto insurance providers overall and in the best purchase experience category. The company also rated property insurance companies for how well they handled claims.