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Serving Chicago's northwest side with efficiency and integrity since 1984

Dennis A. Parker, CPA

Experienced Business Accounting, Tax Preparation, and Strategic Tax Consulting

Staff at Dennis A. Parker, CPA, Ltd., Chicago

Dennis A. Parker, CPA, Ltd., is a full-service accounting firm providing accounting and tax-consulting services for small businesses and individuals on the northwest side of Chicago for more than 35 years.


Our firm is built on relationships. The better we get to know you, your goals, and dreams, the clearer the insight into your finances, the sharper the vision for your future.


We are your neighborhood partner for tax and financial strategy, planning, and accounting services.

What Can We Do For You?

We have the experience and expertise to take the hassle out of tax time and guide you toward the best financial and tax choices. 

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Business Accounting

We provide business accounting services including bookkeeping, financial statements, tax preparation, and help with payroll.


We will help you improve your business processes to boost your company's financial recordkeeping efficiency and minimize taxes. We will help you develop a system to stay on track with government-mandated responsibilities.

With our help and the right system in place, you can focus on running your business instead of worrying about the paperwork. 

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Tax Preparation & Consulting

We provide tax preparation and planning for small businesses of all types, including sole proprietorships, corporations, partnerships, and limited liability companies (LLCs).

Starting a new business? We can help you select the business structure with the best financial and tax advantages for your needs and ensure you get set up the right way, with the correct process, forms, and paperwork.

We serve individuals and families with the same dedication, approaching each situation with efficiency and care.

Tax Strategy & Advocacy

If you are looking to improve tax benefits for your business or family, we have the credentials, tax knowledge, and practical experience to help you meet both short- and long-term goals.


Whether it’s multi-year tax planning or this year’s tax preparation, we are here to offer proactive planning and  solutions. We will help you develop a tailored tax strategy for your business or family for a stronger financial future. 

We are strong client advocates in IRS audit cases, with decades of experience with the IRS and other government agencies. We can arrange payment plans and negotiate lower tax bills on your behalf.

Trusted by small businesses, individuals, and families across the Chicagoland area

Insightful & Analytical

"We came to Dennis over 10 years ago with a significant tax problem. He resolved it quickly. We've been with him ever since."

John C.

Engineering Company, Chicago

Efficient & Responsive

"Dennis has helped us for over 20 years. He understands our tax situation and is quick to return our calls."

James and Robin E.


Accurate & On Time

"Dennis and his staff have been preparing both my personal and business tax returns for more than 25 years. I've never had a problem. They've always been accurate and on time."

Lee W.

Engine Services Company, Schiller Park, Illinois

Contact Us

Contact us! We would love to work with you.

Contact Information

Dennis A. Parker, CPA, Ltd.

5439 W. Lawrence Ave.

Chicago, IL 60630

Tel.: 773-202-1000

Fax: 773-202-0200

Reach Out

Thanks for reaching out!

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