RSM

RSM US LLP is a leading provider of assurance, tax, and consulting services, primarily dedicated to serving the middle market in the United States and Canada. With its headquarters located in Chicago, Illinois, the firm is the U.S. member of RSM International, a global network of independent assurance, tax, and consulting firms operating in over 120 countries. RSM US empowers middle market companies to navigate complex business challenges and drive growth by offering tailored insights and innovative solutions.

The firm's history traces back to 1926 when Ira B. McGladrey founded his accounting practice in Cedar Rapids, Iowa. Over the decades, the firm underwent various transformations, including operating under the McGladrey name for nearly ninety years. A significant milestone occurred in 2015 when the firm was rebranded as RSM US LLP as part of a worldwide initiative to align all member firms of RSM International under a single, unified brand. The firm strategically relocated its headquarters to Chicago in 2012, solidifying its presence in a major US business hub.

What sets RSM apart is its unwavering focus on understanding and serving the distinct needs of the middle market. The firm combines deep industry knowledge with cutting-edge digital solutions to deliver a highly personalised and relevant client experience. This client-centric approach, coupled with a commitment to innovation, enables RSM to act as a trusted advisor, helping businesses leverage technology, manage risk, and optimise operations in an increasingly connected global environment.

RSM has consistently been recognised for its excellence and growth, ranking as the fifth largest accounting, tax, and consulting firm in the U.S. for sixteen consecutive years. The firm has received numerous accolades for its workplace culture, including being named by Great Place to Work® and Fortune as one of the 100 Best Companies to Work For® and included on Forbes' America's Best Large Employers List for 2025. Brian Becker leads the firm as its Managing Partner and CEO, having been appointed in 2022, steering a team of over 17,000 professionals across 82 offices in the US and Canada.