THE FREEDOM TO FOCUS ON ALIFE WELL LIVED

Full circle support for today and future generations
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More ways to expandYour horizons

Accounting, tax and advisory services in Oak Brook, Illinois.
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The sky's the limitwith big picture guidance

Full circle consulting, tax, and accounting delivered progressively.
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CLEAR GUIDANCE:THE BEST PATH FORWARD FOR DEALS

Financial and tax professionals focused on helping you make well-informed decisions in mergers, acquisitions and divestitures.
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Brighter horizonswith 20/20 foresight

Forward-thinking advocates for your tax planning and compliance needs.
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It's about timefor brighter futures

Rise and shine with the ORBA team.
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Firm News

08.11.25

ORBA Ranked as a 2025 Top 200 Firm by INSIDE Public Accounting
CHICAGO — ORBA, one of Chicago’s largest public accounting firms, has once again been recognized as a 2025 IPA Top 200 Firm by INSIDE Public Accounting (IPA). This marks the eleventh time since 2013 that ORBA has made the list of the country’s top firms. In the IPA’s annual report, ORBA is ranked #113, climbing five spots higher than last year, and is the highest ranked of the six Illinois firms on the Top 200 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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