Professional, Responsive and Quality Results

Companies who choose our firm rely on competent advice and fast, accurate service. We provide total tax solutions to individuals, large and small businesses and other agencies.

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Tax Solutions

We support Illinois individuals, families and businesses with tax services including tax preparation, tax planning and tax problem resolution.

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Tax Resolutions

Are you having problems with the IRS? Our Illinois tax resolution experts offer complete IRS problem resolution services to resolve your tax problems.

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About CTS

Comprehensive Tax Solutions is one of the leading Illinois tax firms. CTS was founded by Enrolled Agent Mary A. Karpowicz, EA, CTRS, a specialist in the field of taxation.

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  • I have been with Mary for over 20 years. She has always been good to me with my taxes or any situation with the IRS. My audit went through clean.
    - Ernie C.
  • The service I received by Comprehensive Tax Solutions was exceedingly professional. I am immensely grateful for their services and look forward to working with them again in the future.
    - James B. Jr.
  • Fantastic job on my behalf! I ended up paying an 1/8 of what I owed because of the service you provided. I appreciate all of Mary's work. She went to bat for me!
    - David M.

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