Published

March 19, 2025

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The RSM US Middle Market Business Index provides a leading measure on the performance of businesses that make up the heart and soul of our country's economy. In partnership with RSM, we've collected data on middle market firms since 2015 through quarterly surveys conducted by The Harris Poll. The survey is conducted four times a year, in the first month of each quarter: January, April, July and October.

The survey panel consists of approximately 1,500 middle market executives and is designed to accurately reflect conditions in the middle market. 

Explore the Middle Market Business Index

The Q1 2025 MMBI jumped to 144.1, an all-time high for the index. 

Q1 2025 Middle Market Business Index

Key Takeaways

  • The Q1 2025 MMBI jumped to 144.1, an all-time high for the index.
  • Senior middle market executives’ optimism came through in their outlook for increased net earnings, gross revenues and capital expenditures.
  • The survey was taken before a series of tariff announcements by the new administration raised the level of uncertainty faced by businesses.
a graph of a business index
Neil Bradley, executive vice president and chief policy officer, U.S. Chamber of Commerce

What is the middle market?

The middle market is the backbone of the U.S. economy, accounting for one-third of total jobs and 40% of GDP.

Middle market organizations, which make up the “real economy,” are too big to be small and too small to be big. They have distinct challenges and opportunities around resources, labor, technology, innovation, regulation and more.

Special Reports on the Middle Market

Periodic publications that feature additional topical questions asked of MMBI respondents. These special questions can focus on a variety of topics, from cybersecurity concerns to emerging policy impact. Specific data and insights are provided.


For more information on the Middle Market Business Index, industry trends, and monthly economic updates, check out RSM's publications for middle market business leaders on rsmus.com/middle-market.

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