Skip to main content

Carl M. Markus

St. Louis, Missouri Attorney

Phone:  314-244-3632

Location:  Clayton, Missouri
Fax:  314-727-2101

Carl M. Markus holds the CPA designation and previously practiced in the public accounting industry for more than eight years. He advises individuals and closely held business owners in all aspects of estate and asset-protection planning. This includes everything from drafting simple wills and trusts with little or no transfer or income tax consequences, to complicated multi-million dollar business succession and asset protection planning involving multiple generations with significant transfer and income tax consequences.

Mr. Markus also advises business owners and businesses on the creation and structuring of business entities and ongoing legal matters including the purchase and sale of real estate, lease and other contract negotiations and business sales, and mergers and acquisitions. He has successfully represented clients before the Internal Revenue Service and the Missouri Department of Revenue at both the audit and appeals levels.

Recent Posts by Carl Markus

March 18, 2020 in Carl Markus Featured, COVID-19

2019 Taxes: You Still Need to File but Have Time to Pay

By: Carl M. Markus On March 17, 2020, the US Treasury Department announced it has extended the deadline to pay…
Read More
December 27, 2017 in Carl Markus Featured, Finances, Tax Planning

The Tax Cut and Jobs Act

By: Carl Markus The Tax Cut and Jobs Act (“Act”) was signed into law by President Trump on December 22,…
Read More

Areas of Practice

Bar Admissions

  • Missouri, 1986
  • Illinois, 1996
  • U.S. Tax Court, 1989


  • Saint Louis University School of Law, St. Louis, Missouri
    • J.D. – 1985
  • St Louis University
    • M.F.N. – 1985
  • St Louis University
    • B.S. (Cum Laude) – 1981
    • Major: Accounting

Published Works

  • “Corporate Practice Update,” 15 Hour Review of the Law, UMKC School of Law, 2009
  • “Helping Your Client Select the Best Entity Option,” National Business Institute, 2006, 2007, 2009
  • “Estate Planning Basics,” National Business Institute, 2006
  • Co-author, “Requirements for Foreign Corporation’s Doing Business in Missouri,” BNA Corporate Practice Series, 2006
  • “Tax Issues in Estate Planning and Probate in Illinois,” National Business Institute, 1998
  • “Illinois Sales & Use Tax,” Lorman Education Services, 1998

Honors and Awards

  • Martindale-Hubbell, AV Peer Review Rating

Professional Associations and Memberships

  • Bar Association of Metropolitan St. Louis, Member, 1992 – Present
  • Missouri Society of Certified Public Accountants, Member, 1988 – Present

Pro Bono Activities

  • Knights of Columbus, Council 10136
  • St. Elizabeth’s Adult Day Care Centers, Inc., board member