Serving Up A Bright Future

The professional service industries all have something in common - each of us devotes time and money to providing services for our clients. While people are commonly our most valued assets, each professional firm's knowledge and collective skills are unique.  Since 1974, with service being the foundation of our business, Dugan & Lopatka has provided the accounting, tax and business services needed by the professional services industries.

Specialized Services


"I have used Dugan & Lopatka for personal and my business accounting services since 1986 - all services provided have exceeded my expectations in every way." -- James Arnold, Arnold & Associates, Inc.

"The professionals at Dugan & Lopatka are among the finest accountants, tax advisors, and business consultants I work with.  They strive to provide creative solutions to problems and present new ideas for their clients, yet they are always trying to be practical and cost effective in their suggestions." Doug Conover, Riecke and Crotty, P.C.

"I have been using the services of Dugan & Lopatka and previously Hofner & Hofner [merged into Dugan & Lopatka] for more than 10 years as auditors and accountants for my engineering firm.  Recently they advised and helped me to sell my company to a European enterprise and represented my interests very well during difficult negotiations.  They also prepare my personal tax returns which are quite complex.  I recommend Dugan & Lopatka for their professionalism, their expertise in many fields and the timely delivery of their services." -- Bernard Seguy, Retired Owner and CEO of AMCEL, Inc.

"I have worked with several of the partners and staff at Dugan & Lopatka for more than fifteen years.  We have shared a number of common business and individual clients and I have also been a client of their on the tax side.  I have come to appreciate and rely upon their timely and pragmatic counsel and advice and think highly of their professional and ethical approach to client service.  As a fellow counselor to business owners and entrepreneurs, I have observed on many occasions the value they bring to the situation at hand."  -- Michael J. Wolfe, Meltzer, Purtill & Stelle, LLC

Contact Dugan & Lopatka, CPAs today at (630) 665-4440.

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By Dugan Lopatka - Accountants for Midsize Businesses in Chicago:  CPAs for Small Businesses

  • Addison
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  • Batavia
  • Bensenville
  • Bloomingdale
  • Bolingbrook
  • Burr Ridge
  • Carol Stream
  • Chicago
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  • Darien
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  • Geneva
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  • Hoffman Estates
  • Itasca
  • Joliet
  • Lemont
  • Lisle
  • Lombard
  • Montgomery
  • Naperville
  • North Aurora
  • Oakbrook
  • Oakbrook Terrace
  • Oswego
  • Plainfield
  • Romeoville
  • Roselle
  • St. Charles
  • Schaumburg
  • Streamwood
  • Villa Park
  • Warrensville
  • West Chicago
  • Western Springs
  • Westmont
  • Wheaton
  • Willowbrook
  • Winfield
  • Wood Dale
  • Woodridge

Dugan & Lopatka, CPAs, PC, 104 E. Roosevelt Road, Wheaton, Illinois 60187 -MAP- T: (630) 665-4440 Fax: (630) 665-5030