About American Customer Satisfaction Index

The American Customer Satisfaction Index (ACSI) is a key economic indicator that measures customer satisfaction across the U.S. economy. Based in Ann Arbor, Michigan, ACSI provides insights into the quality of products and services from both domestic and foreign firms. Established in 1994, ACSI uses a proprietary methodology to analyze customer experiences in various sectors, offering benchmarks for 40 industries and 10 economic sectors.