The American Customer Satisfaction Index

The ACSI ® is the only national cross-industry measure of customer satisfaction that represents the U.S. economy.

As a proven predictor of financial performance, organizations from a wide range of diverse industries leverage the ACSI methodology to obtain science-based insights across the complete arc of the customer experience.

August 20, 2024

Press Release Automobile Study 2024

Subaru catches up to Toyota in mass-market segment while Mercedes-Benz and Tesla vie for luxury lead..

August 13, 2024

Press Release National ACSI Q2 2024

The sharp recovery in the quality of U.S. economic output over the past two years as measured by the ACSI® is now stagnating …

Latest Benchmarks

Top 10 ACSI Scores by Company

Companies with top-level ACSI scores and changing customer satisfaction for the better, are today’s must-watch .

The ACSI Difference

ACSI Scores as Financial Indicators

Companies with high American Customer Satisfaction Index (ACSI®) scores typically do very well in the stock market .

In competitive markets, firms are rewarded by treating their customers well and punished for treating them badly. The rewards/punishments show up, not only in earnings, but also in stock prices and make equity markets better aligned with consumer utility, which, in turn, causes an upward shift in demand curves. As a result, consumer spending increases and so does economic growth.”