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Patrick O’Brien, CPA

Patrick “Pat” O’Brien joined AJM&A with over 20 years of diverse accounting experience. He has served as a senior accountant, tax planner, tax compliance and taxpayer representation tax manager and client relationship specialist.

Prior to entering public accounting, he was a comptroller. O’Brien has been a licensed CPA in Illinois since 2008 and is authorized to represent taxpayers. He is skilled in responsibility accounting, capital budgeting and cost behavior. His years of experience and customer service expertise will allow us to continue to provide our clients with the highest level of personal service.

AJM&A is proud to expand our tax team with such a qualified accountant. At our firm, taxation staff includes tax attorneys who are also Certified Public Accountants (CPAs), CPAs, accountants and other financial personnel. We use these dual areas of tax and legal knowledge to provide you with a single resource to follow you through the taxation cycle from strategy and planning to tax return preparation and through IRS representation, if needed.

Patrick O’Brien will celebrate 30 years of marriage this year (2024) and has three grown children. He was born and raised in the Chicago area. His passions are spending time outdoors, being with his family and the Chicago Bears.

Education

Mr. Obrien earned his Bachelor of Science, Finance/Economics from Elmhurst College, Elmhurst, IL. He received his Certified Public Accountant license in Illinois in 2008.

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Contact Information


It would be our pleasure to discuss your business, tax and/or estate planning needs.
For more information or to schedule an appointment, please complete the following, call or email us today.
We will respond within one business day.

Office:

1900 East Golf Road, Suite 650,
Schaumburg, IL 60173
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Call Us:

Phone: (312) 578-9300