Iowa Audit, Tax and Consulting

The origin of our firm

RSM was founded in Iowa when Ira B. McGladrey bought the Cedar Rapids and Davenport offices of Billings, Prouty and Tompkins in 1926. Today, the Iowa Association of Business and Industry ranks us as the largest accounting firm in Iowa, with approxinately 900 employees in the state. Our professionals specialize in providing exceptional service in key Iowa industries, including manufacturing, financial institutions, construction, real estate, education, insurance and health care.

Recent recognition

In 2019, the Cedar Rapids, Iowa City and Waterloo offices were named the Corridor Business Journal's Best IT Support Company and Cybersecurity Company, and was inducted into the Hall of Fame for the Best Accounting Firm. The Des Moines office was named the Des Moines Business Records' Best Accounting Firm and the Best Computer Consulting Firm.

Commitment to the community

Beyond serving our clients' needs, our professionals devote their time, money and efforts to several local charities and activities across the state. In 2019, the offices joined together to raise over $178,000 for local charities through the firm’s Birdies Fore Love program as a part of the RSM Classic.

The Iowa offices support Team RSM player Zach Johnson's annual Zach Johnson Foundation Classic, which raised more than one million dollars for Zach's "Kids on Course" foundation in 2019. 

Employment opportunities

For information about the employment opportunities currently available in Iowa, please visit the Careers section of our site.

Iowa Insights

Guidance for taxpayers affected by CA wildfires and IA derecho

IRS extended filing and paying deadlines and TTB updated disaster relief guidance for taxpayers affected by CA wildfires and IA derecho.

Iowa enacts broad-based tax bill with noteworthy changes

Expansive tax bill provides taxpayer-friendly changes while balancing reduced tax revenue in the COVID-19 economy.

IRS announces tax relief for Nebraska and Iowa disaster victims

The IRS announced tax relief, including extended deadlines, for counties in NE and IA affected by the recent winter storm and flooding.

Have you prepared for Iowa’s new software and services sales tax rules

Recent Iowa tax reform expanded the sales tax base to include certain digital products and services; enacted remote seller nexus law.

Iowa enacts significant income and sale and use tax changes

After several months of debate, the governor and state legislature agreed to a tax reform package largely addressing federal tax reform.

Out-of-state corporation ineligible to join Iowa consolidated return

Parent lacks Iowa nexus despite performing management activities for subsidiaries active in Iowa, ineligible to join consolidated filing.

Iowa enacts sales tax exemption for supplies used in manufacturing

Iowa enacts sales and use tax exemption for manufacturing supplies and provides significant definitions applicable to manufacturing exemptions.

Iowa Office Locations


211 North Gear Avenue
Suite 60
West Burlington, IA 52655

Cedar Rapids

201 First Street SE
Suite 800
Cedar Rapids, IA 52401

Steve Schoenauer, Cedar Rapids office leader


4650 E 53rd St
Davenport, IA 52807

Ryan Weber, Davenport office leader

Des Moines

400 Locust St.
Suite 640
Des Moines, IA 50309

Rod Foster, Des Moines office leader

Kevin Prien, Central market leader


700 Locust Street, Suite 205
Dubuque, Iowa, 52001-6814

Bjorn Hill, Dubuque office leader

Iowa City

404 East College Street
Suite 300
Iowa City, IA 52240

Marty Tunning, Iowa City office leader

Mason City

10 N Washington Ave
Suite 200
Mason City, IA 50401


999 Home Plaza
Suite 300
Waterloo, IA 50701

Jim Moore, Waterloo office leader

Careers in Iowa

Search open positions in Iowa, or learn more about working at RSM.

Still a student? Learn more about our Internships.