Greg Koelling, <span class="title">CPA</span>

Greg Koelling, CPAHe | HimDirector

P 630.703.7444 | F 630.581.8301

Greg Koelling has been with ORBA since 2001, working in both the audit and tax groups. He is a Director and a member of the Executive Board. Over the course of his career, Greg has gained extensive experience serving individuals, partnerships and privately-held corporations. His specialties include federal and state tax planning and consulting for owners and key executives. In addition, he represents taxpayers in front of the Internal Revenue Service and state taxing authorities.

Greg specializes in tax planning and compliance strategies for multi-state businesses, investment companies and real estate entities. He also helps clients with sales, mergers and acquisitions and compensation planning. Greg works closely with many real estate, finance, investment and professional service businesses.

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Firm News

03.11.25

ORBA Named to Accounting Today’s 2025 “Beyond the Top 100: Firms to Watch”; Firm also Recognized as a Great Lakes Region Leader
CHICAGO –  ORBA, one of Chicago’s premier public accounting firms, has been recognized once again by Accounting Today in their “Beyond the Top 100: Firms to Watch”, securing the 132nd spot. Additionally, ORBA is ranked among the top 25 firms in the Great Lakes Region, marking its 15th consecutive year on the “Top Firms: The Great Lakes” list.

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seminars & events

Guides

ORBA will gladly provide you with hard copies of the useful guides listed below. Select which guides you would like to receive and submit the form below.

  • Tax Pocket Guide
  • Tax Planning Guide
  • Records Retention Schedule
  • Auto, Travel & Business Log

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