Dugan & Lopatka CPA’s and Consultants, located in Wheaton, offers audit, accounting, state/local tax, estate tax, and cost segregation services to our clients. It is one of the largest public accounting firms in the Chicago area, but one of the only large CPA firms to specialize almost exclusively on privately-held, small and mid-sized businesses and small and mid-sized nonprofit organizations in the collar counties.
Peter Zich, Principal, Tax Department Head
Andrew Schmidt, Tax Manager, Tax Department
4320 Winfield Road, Suite 450
Warrenville, Illinois 60555
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