Office Oak Brook

Regency Towers, Suite 1000E
1415 W. 22nd Street
Oak Brook, IL 60523-2074
O 630.703.7444 | F 630.581.8301

Contact Us

Driving directions

read more

Overview 

ORBA’s Oak Brook Office is conveniently located in Regency Towers. Our team of dedicated professionals is committed to providing exceptional audit, tax and advisory services to businesses, individuals and not-for-profit organizations. Whether you’re a local entrepreneur, a mid-sized company or an established corporation, we’re here to support your financial success. Explore our comprehensive suite of services and contact us to discover how ORBA can become your trusted partner. 

Contact Us

2025 Workplace Culture Excellence Award BDO Alliance USA
BEYOND THE TOP 100:FIRMS TO WATCH Accounting Today, 2014-2025 Rankings
2024LARGEST ACCOUNTING FIRMS Crain's Chicago Business, 2011-2024 Rankings
Top 200public accounting firms INSIDE Public Accounting, 2013-2024 Rankings
2024 Top WorkplacesCULTURE EXCELLENCE AWARD - EMPLOYEE WELL-BEING & PROFESSIONAL DEVELOPMENT Energage, 2021-2024 Rankings
2024Top Workplaces USA USA Today, 2024 Ranking
TOP WORKPLACES USA Energage, 2021-2023 Rankings
TOPWORKPLACES The Chicago Tribune 2010-2016; 2020-2024 Rankings
GREAT LAKESRegional Leader Accounting Today, 2012-2025 Rankings
over47 years Of High Performing Service To Clients In Chicago & Beyond

view all

Firm News

05.09.25

ORBA Recognized with Workplace Culture Excellence Award at BDO Alliance USA EVOLVE 2025 Conference
CHICAGO – ORBA, one of Chicago’s premier public accounting firms, is proud to announce that it has been awarded the Workplace Culture Excellence Award for 2025, presented by the BDO Alliance USA. The BDO Alliance Workplace Culture Award is an honor that celebrates firms that cultivate exceptional employee engagement, provide meaningful growth opportunities and prioritize well-being across the board.

Oak Brook

view all

Firm News

05.09.25

ORBA Recognized with Workplace Culture Excellence Award at BDO Alliance USA EVOLVE 2025 Conference
CHICAGO – ORBA, one of Chicago’s premier public accounting firms, is proud to announce that it has been awarded the Workplace Culture Excellence Award for 2025, presented by the BDO Alliance USA. The BDO Alliance Workplace Culture Award is an honor that celebrates firms that cultivate exceptional employee engagement, provide meaningful growth opportunities and prioritize well-being across the board.

view all

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

request guide

Close
Forward Thinking
Forward Thinking