Audit Services 20/20 foresight forward thinking auditors

Our audit services are tailored to your unique requirements and range from the most comprehensive audit of financial statements to compilations. Not only do we bring more than 40 years of experience working side-by-side with clients from a variety of industry sectors, we are continually monitoring new developments and applying best practices to maintain our high performance and quality standards.

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Ideas with every audit, imagine that

ORBA takes pride in working with clients to provide a range of audit services that go beyond just the financial statements to discover what’s driving – and inhibiting – financial performance. We help identify potential areas of improvement, evaluate options and deliver insightful solutions to owners and managers of companies of all sizes as well as not-for-profit organizations and associations throughout the Midwest.


  • Audits
  • Reviews
  • Compilations
  • Yellow Book and Single Audits
  • Agreed Upon Procedures

Future-focused relationships

Everything we do is focused on helping you be more successful now and in the future. Here’s what you can expect from our relationship:

  • Significant expertise in complex family business and personal dynamics — you’ll work with seasoned, hands-on advisors — our culture delivers passionate client care;
  • Go-to advisors and a sounding board for all things — part consultant, part subject matter expert — we work to be the people you rely on for guidance when you are not sure about what step to take next; and
  • Confident, good-natured, easy-to-be-around people — you’ll enjoy working with us and we know we will enjoy working with you.
2021 TOP WORKPLACES The Chicago Tribune
top 200public accounting firms INSIDE Public Accounting 2013-2022 Rankings
TOP 100FIRMS TO WATCH Accounting Today's 2014-2022 Rankings
GREAT LAKESRegional Leader Accounting Today's 2012-2022 Rankings
over40 years Of High Performing Service To Clients In Chicago & Beyond

Audit Services

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Firms News


Inside Public Accounting Recognizes ORBA as a 2022 Top 200 IPA Firm
ORBA, one of Chicago’s largest public accounting firms, has been recognized as a 2022 IPA 200 Firm by INSIDE Public Accounting (IPA). Debuting on the list in 2013, this is the eight year that ORBA has made the list of the country’s Top 200 Firms. ORBA is ranked #119 on the list in the annual report – up from #131 the previous year. 

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seminars & events


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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Forward Thinking
Forward Thinking