Contact & Hours

  • 1449 Central Ave
    Dubuque, IA 52001
  • Phone: (563) 588-1495
    Fax: (563) 582-7749
  • Business Hours

Tax News & Tips

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All Tax News


Why Choose Us?

One Stop Tax and Accounting Service is family owned and operated and has served the Tri-State area since 1969.

  • We are committed to providing you with the best possible tax and accounting services.
  • We use the latest technologies including top of the line software.
  • We are an IRS authorized e-file provider.
  • Our committed and loyal staff offer our clients years of experience and personal service.
  • Our goal is to make your tax and accounting experience understandable, efficient and affordable.
  • Our fees are reasonable and competitive (and typically lower than our national competitors even after discounts).
  • We offer one stop tax preparation
  • We are flexible and accomodating. You can schedule an appointment, walk-in, drop off or mail in your tax information for preparation.
  • We provide year-round service to assist with on-going tax related issues and questions. 
  • Our clients can feel confident knowing that we have access to a large research department and tax experts through our affiliated with the National Association of Tax Preparers (NATP).

  • You can count on us. If you are audited on a return prepared by our office, we will help you prepare and can attend with you.  
  • We guarantee our services. We will pay the penalties and interest if the mistake is ours.
  • In December 2019 we merged with Wagner Accounting and Tax Service, Inc. 

Sharon R. Winner


I have lived and worked in this community since 1970, when I moved here to join Delbert Winner in this business. I am so appreciative of our loyal customers and proud of my staff. I look forward to working with and serving you again this year.


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