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RSM US
RSM US LLP is an audit, tax, and consulting firm focused on the middle market in the United States and Canada. It is a member of the global accounting network RSM International. RSM US was ranked the fifth-largest accounting firm in the U.S. by Accounting Today in 2025. It employs more than 16,000 professionals across 77 locations in the United States, including six locations in Canada, one location in El Salvador and four locations in India.
In FY 25, RSM US reported $4 billion in revenue and over 1,000 partners and principals.[citation needed]
The firm was founded in 1926 by Ira B. McGladrey (1883-1952) in Cedar Rapids, Iowa. McGladrey became a prominent figure in public accounting in Iowa, serving as President of the Iowa Society of Certified Public Accountants, chairman of the Iowa Board of Accountancy, as well as a member of the Rules Committee of the American Institute of Certified Public Accountants, the premier governing body for the field of accounting in the United States. The firm continued to operate under some variant of the McGladrey name for nearly nine decades, until 2015 when the firm was rebranded as RSM US LLP.
Beginning in 1999, through a partnership with H&R Block, McGladrey operated under two separate legal entities: McGladrey & Pullen, LLP; and RSM McGladrey, Inc.
McGladrey & Pullen operated under the traditional partnership structure and offered audit and attestation services. RSM McGladrey was established under the partnership agreement with H&R Block to provide tax and advisory services under an alternative practice structure.
In August 2011, H&R Block announced the conclusion of the partnership, divesting RSM McGladrey to McGladrey & Pullen and reuniting the firms in their traditional partnership structure. McGladrey & Pullen acquired all employees, assets, and infrastructure from RSM McGladrey. The deal closed on December 1, 2011.
On May 1, 2012, McGladrey & Pullen officially changed its name to McGladrey LLP. In July 2012, McGladrey shifted its headquarters from Bloomington, Minnesota to Chicago.
On October 26, 2015, McGladrey LLP changed its name to RSM US LLP as part of a worldwide rebranding of RSM International members to bring them in line with the rest of the global network.
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RSM US
RSM US LLP is an audit, tax, and consulting firm focused on the middle market in the United States and Canada. It is a member of the global accounting network RSM International. RSM US was ranked the fifth-largest accounting firm in the U.S. by Accounting Today in 2025. It employs more than 16,000 professionals across 77 locations in the United States, including six locations in Canada, one location in El Salvador and four locations in India.
In FY 25, RSM US reported $4 billion in revenue and over 1,000 partners and principals.[citation needed]
The firm was founded in 1926 by Ira B. McGladrey (1883-1952) in Cedar Rapids, Iowa. McGladrey became a prominent figure in public accounting in Iowa, serving as President of the Iowa Society of Certified Public Accountants, chairman of the Iowa Board of Accountancy, as well as a member of the Rules Committee of the American Institute of Certified Public Accountants, the premier governing body for the field of accounting in the United States. The firm continued to operate under some variant of the McGladrey name for nearly nine decades, until 2015 when the firm was rebranded as RSM US LLP.
Beginning in 1999, through a partnership with H&R Block, McGladrey operated under two separate legal entities: McGladrey & Pullen, LLP; and RSM McGladrey, Inc.
McGladrey & Pullen operated under the traditional partnership structure and offered audit and attestation services. RSM McGladrey was established under the partnership agreement with H&R Block to provide tax and advisory services under an alternative practice structure.
In August 2011, H&R Block announced the conclusion of the partnership, divesting RSM McGladrey to McGladrey & Pullen and reuniting the firms in their traditional partnership structure. McGladrey & Pullen acquired all employees, assets, and infrastructure from RSM McGladrey. The deal closed on December 1, 2011.
On May 1, 2012, McGladrey & Pullen officially changed its name to McGladrey LLP. In July 2012, McGladrey shifted its headquarters from Bloomington, Minnesota to Chicago.
On October 26, 2015, McGladrey LLP changed its name to RSM US LLP as part of a worldwide rebranding of RSM International members to bring them in line with the rest of the global network.