Brian Flieg Attorney
Brian Flieg is a native of the St. Louis, and a dedicated father and husband living in South St. Louis County in the Lemay area. Brian is an active runner, participating in the Tough Mudder obstacle course every year with his wife Kathryn for four years running. In addition to serving on the Board of Directors for a local credit union, Brian and Kathryn assist local dog rescues with efforts in awareness, pet safety and adopting pets in need.

Brian began as an accountant, after obtaining a degree in Accounting from Truman State University in 2006. He went on to obtain his law degree from UMKC, while serving time in the Low Income Tax Clinic, assisting low income individuals with IRS issues from offers in compromise to innocent spouse relief. After graduating with a JD in 2010, he continued his education to specialize in tax law, graduating at the top of his class in the LLM (masters of law) program.

Now, Brian puts his critical thinking mind to work for his clients, providing stellar service to individuals and businesses alike in planning for the future.


Truman State University, BS in Accounting, 2006
University of Missouri – Kansas City, Juris Doctorate, 2010
University of Missouri – Kansas City, Master of Laws in Taxation, 2010

Bar Membership:

Missouri, 2010
United States Tax Court, 2012


CALI Award for Excellence, Partnership Tax, 2010
CALI Award for Excellence, Corporate Tax II, 2010

Schedule Your Free
One Hour Consultation

reCAPTCHA is required.


Flieg Law
We contacted Brian Flieg because we had a state tax controversy on a business account. He was very knowledgeable about how to handle the problem and he knew the people to contact. He resolved the issue for us in a timely and positive manner and we were very happy with the outcome. Brian handled our problem as a professional and it was easy to communicate with him.

Flieg Law Office

Brian Flieg specializes in providing effective business law practices, and can help ensure you are running your business properly.

  • Financial Regulation
  • Contracts
  • Investing

Our Blog, Announcement, Information and More

Legal Services and the Deaf and Hard of Hearing Community

January 5th, 2019|

It is important for all Americans to have access to the legal services they may need.  This includes many Americans who are protected by the Americans with Disabilities Act (ADA), particularly members of our Deaf and Hard of Hearing Community.  There are many barriers to members of the Deaf Community from obtaining those services; but one of the largest barriers is the ability, or lack thereof, to form effective [...]

Tax Day is two days later this year

March 26th, 2018|

April 15 is usually tax day. But in 2018, it's a few days later. This year, taxes aren't due until Tuesday, April 17. That's the deadline for submitting individual tax returns to the federal government for tax year 2017. For freelancers or self-employed taxpayers, April 17 is also the deadline for making first quarter 2018 estimated tax payments. And it's also the last day to make a contribution to [...]