American Customer Satisfaction Index Series

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Established in 1994, the American Customer Satisfaction Index (ACSI) is a uniform and independent measure of household consumption experience. The ACSI tracks trends in customer satisfaction and provides benchmarking insights of the consumer economy for companies, industry trade associations, and government agencies. It is based on modeling of customer evaluations of the quality of goods and services that are purchased in the United States and produced by both domestic and foreign firms that have substantial U.S. market shares. The ACSI is produced by the Stephen M. Ross Business School at the University of Michigan, in partnership with the American Society for Quality (ASQ) and the international consulting firm, CFI Group. ForeSee Results sponsors the e-commerce and e-business measurements. The ACSI is funded in part by corporate subscribers who receive industry benchmarking data and company-specific information about financial returns from improving customer satisfaction.

• ACSI Web site