About Koeller Thompson CPAs, PLLC

Established in May 2007, Koeller Thompson CPAs, PLLC is a full-service certified public accounting firm based in Tempe, Arizona.

Customized Services Include:
  • Preparing income tax returns for individuals, businesses, trusts and estates.
  • Preparing sales tax returns
  • Preparing financial statements for businesses
  • Accounting software training (we are a certified QuickBooks advisor)
  • Income tax planning and business consulting
The company’s business consulting services include strategic analysis and long-term planning.

About Ben Koeller

A graduate of the University of Wisconsin Eau Claire, Ben began his public accounting career in 1997. In May 2007, he established his own practice – Benjamin T. Koeller CPA, PLLC – in Tempe, Arizona.

Ben’s focus is primarily on preparing and reviewing tax returns for individuals, businesses, trusts and estates, as well as preparing financial statements for business professionals. He works with a wide range of clients, including doctors, attorneys, construction contractors and retailers.

A frequent lecturer before groups and organizations in the areas of tax preparation and business consulting, Ben is a member of the American Institute of Certified Public Accountants, Arizona Society of Certified Public Accountants, National Society of Accountants and Chandler Chamber of Commerce.

In addition to public accounting, Ben spent one year as an assistant controller at Cytec Fiberite in Tempe, Arizona.

During his free time, Ben enjoys playing golf and reading. He and his wife, Alicia, have a daughter, Olivia, and son, Brandon.

About Amy Thompson

Amy has been in the accounting field since graduating from the University of Minnesota in 1992. She spent the first 9 years of her career working for a large publicly held company in the education training industry in various financial roles. She also worked for a small, private company in the aviation training industry as its controller while living in England for 3 years. In 2007 Amy decided to focus on tax work and eventually started her own practice in Williamsburg, Virginia. After moving back to Arizona in 2013, she joined Ben Koeller’s firm and has found her accounting home.

Amy is a member of the American Institute of Certified Public Accountants and the Arizona Society of Certified Public Accountants.

During her free time, you will find Amy traveling with her husband, Carl, or down at the curling rink. She also enjoys reading and spending time with family and friends.

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Any information discussed will always remain confidential
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