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Illinois Audit, Tax and Consulting
The fifth largest in Illinois
With eight offices and more than 1,400 professionals throughout the state, we’re not only the fifth-largest accounting firm in Illinois, but also the largest focused on middle market companies. We combine full-service capabilities with deep resources, industry knowledge and senior-level involvement to help our clients succeed. Illinois is also home to RSM’s corporate headquarters, located at One South Wacker Drive in Chicago.
Our client service
Our Illinois offices serve midsized businesses in a variety of industries, including manufacturing and wholesale distribution, financial institutions, health care, real estate, private equity groups, financial services, government entities and nonprofit organizations.
Our charitable efforts
In addition to serving the needs of our clients, our Illinois offices are committed to serving the needs of our community. Through the personal and collective efforts of our professionals, we are actively involved by devoting time, money and support to a variety of charitable organizations and community efforts. Some of the representative organizations include the Greater Chicago Food Depository, YMCA, Big Brothers Big Sisters, The Salvation Army and Special Olympics Illinois.
For information about the employment opportunities currently available in Illinois, please visit the Careers section of our site.
Beginning in 2020, some individual taxpayers working remotely in Illinois will have a 30-day safe harbor from the state income tax.
Senate Bill 1591 provides an income tax credit for qualified apprentice education expenses through Dec. 31, 2024.
Amnesty programs will run through Nov. 15, 2019, and offer qualifying taxpayers complete waiver of interest and penalties.
The 2019 legislature passed several tax changes, issued marketplace facilitator rules and provided additional credits and incentives.
The ability of automakers and suppliers to include tooling expenses in their R&D credit can create a tremendous benefit.
IRS’ attempt to re-characterize loan as a distribution from subsidiary’s earnings fails under debt-equity principles.
Illinois’ FY19 budget legislation easily passes the general assembly with minor tax changes, including sales tax nexus expansion.
Illinois extends sunset of the Economic Development for a Growing Economy and Angel Investment tax credits for an additional five years.
The budget increases personal and corporate tax rates, makes tax exemption and credit changes and revises the unclaimed property law.
Illinois department adopts guidelines for rebutting the presumption that nexus is established through click-through agreements.
1 S Wacker Dr
Chicago, IL 60606
John Bird, Office Managing Partner
Rick Edelheit, Office Managing Partner
Milton Marcotte, Office Managing Partner
Pete Mulvey, Office Managing Partner
Paul Nockels, Office Managing Partner
Barry Rosenthal, Office Managing Partner
2021 S. 1st Street
Champaign, Illinois 61820
Dave Seiler, Office Managing Partner
117 East Main St.
Galesburg, IL 61401
401 Main St.
Peoria, IL 61602
John Kaiser, Office Managing Partner
1252 Bell Valley Road
Rockford, IL 61108
Pat Shaw, Office Managing Partner
20 N. Martingale Road
Schaumburg, IL 60173
Rob Stoettner, Office Managing Partner
1 North Old State Capitol Plaza
Springfield, IL 62701
Careers in Illinois
Still a student? Learn more about our Internships.
Join us for the 2019 Illinois Government Finance Officers Association (IGFOA) annual conference, Sept. 8-10, 2019.
FreshTec 2019 features networking, education, and a product showcase with produce operations and fresh-cut processing executives.
The RSM Technology Summit is a one-day event that offers educational sessions specifically for Microsoft Dynamics GP users.
Join RSM and Cisco for a complimentary brunch on April 4 in Chicago, IL to discuss the future of collaboration.