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 is 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 is what you can expect from our relationship:

  • Significant expertise in complex family business and personal dynamics — you will 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 will enjoy working with us and we know we will enjoy working with you.
2023AMERICA'S BEST TAX AND ACCOUNTING FIRMS Forbes, 2021-2023 Rankings
TOP 100FIRMS TO WATCH Accounting Today, 2014-2024 Rankings
Top 200public accounting firms INSIDE Public Accounting, 2013-2023 Rankings
2023LARGEST ACCOUNTING FIRMS Crain's Chicago Business, 2011-2023 Rankings
2023TOP WORKPLACES USA Energage, 2020-2023 Rankings
2023TOP WORKPLACES The Chicago Tribune 2010-2016; 2020-2023 Rankings
GREAT LAKESRegional Leader Accounting Today, 2012-2024 Rankings
over40 years Of High Performing Service To Clients In Chicago & Beyond

Audit Services

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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

request guide

Forward Thinking
Forward Thinking