Welcome to RTA

Accounting • Tax Preparation • Quickbooks


Accounting and tax preparation for small businesses and individuals in the Chicagoland area.

Small Business Accounting

Get a better look at your bottom line and minimize liability with RTA's accounting and bookkeeping services.

Personal Accountant

Create a plan to achieve your financial goals with a professional that cares about your capital.

Controller For Hire

Improve efficiency and profitability with the expertise of a seasoned Controller who has decades of experience.

Tax Preparation

We develop predictable tax planning strategies that minimize obligations and put more money in your pocket.


Reasonable Tax + Accounting is Anna Marie Dunn, a consummate professional with over forty-three years in tax preparation and bookkeeping for businesses, sole proprietors and individuals.

Nothing feels better than getting your finances in order. When the numbers are right, you'll know what to do next. That's the logical wisdom of sound accounting.

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$15.5m SAVED


From real estate agents and electricians to freelancers and doctors, RTA helps business owners get a better look at their bottom line.


Slide No one works harder for you than Anna Marie! Her knowledge is all-encompassing and her follow-through is unsurpassed! - Colleen English Slide We wouldn't go with any other tax accountant. - Debbie De Riggi-Lazas Slide Anna Marie is a godsend. She is focused, helpful, and practical.  - S. Donohue Slide Anna Marie has gone above and beyond satisfying my needs as a tax consultant. - Erin Fox-Basler Slide The expert and personal assistance I received from RTA exceeded my wildest expectations. - Mary T. Hock Slide Anna Marie has become such a functional and vital part of running our business. - Jacquelin Blankenship Slide Anna Marie has gone above and beyond satisfying my needs as a tax consultant. - Peggy's Pepper Jelly Slide Anna Marie has been an integral part of my company's set up. - Elite Markings, LLC
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