Photo of Keith K. Grissom

Keith K. Grissom


Keith Grissom's background representing a variety of business entities and trusts is complemented by a deep understanding of new developments in tax, estate planning and related matters.


  • Missouri
  • U.S. Tax Court


LL.M., Taxation, Washington University School of Law, 2012

J.D., Suffolk University Law School, Boston, Massachusetts, 2005

B.S., Business Administration, Finance, University of Central Missouri, 2002


Keith Grissom counsels businesses and individuals on matters including estate planning and closely held business succession planning. 

Keith’s experience includes addressing income, estate, generation-skipping transfer and gift tax issues related to estate planning and trust administration. In addition, Keith  has experience in business entity formation, mergers and acquisitions, and real estate and other tax issues, including tax structuring and controversy. He has an LL.M. in taxation and counsels clients on strategies for estate tax reduction and income tax planning.  Keith is co-leader of the firm's Trusts & Estates Practice Group.

Before joining the firm, he worked for several years at a St. Louis law firm and before that, as general counsel and project manager for a real estate investment and development company that also functioned as a family office. There, he was responsible for the management and administration of over 35 different corporations, pass-through entities and trusts, each of which were involved in a variety of investment holdings, and advised outside counsel and accountants on the preparation of income, estate and gift tax returns and analyzed complex tax and ownership issues. 

Professional Affiliations

  • Family Office Exchange
  • Missouri Bar Association
  • Bar Association of Metropolitan St. Louis
  • American Bar Association
  • Heart of America Fellows Institute, American College of Trust and Estate Counsel, 2021

Community/Civic Activities

  • Volunteer Lawyers and Accountants for the Arts

Honors & Awards

Honors & Awards

  • The Best Lawyers in America, Trusts and Estates, 2022-2023

News & Insights

Seminars & Speaking Engagements

  • "Tax Basis Planning"
    2020 Annual Estate, Trust & Elder Law Institute, December 10, 2020
  • Swedish American Museum, Chicago, Illinois, May 12, 2020
  • "Electronic Wills: Are they the future?"
    Greensfelder's 2018 Estate Planning Symposium, St. Louis, MO, November 1, 2018
  • Missouri Bar Annual Estate, Trust & Elder Law Institute, St. Louis, Missouri, September 7, 2018
  • 2017 Greensfelder Estate Planning Symposium, November 2, 2017
  • "Income Taxation of Trusts and Planning Considerations"
    Bar Association of Metropolitan St. Louis Probate & Trust Committee's Annual Institute, April 25, 2017
  • "Grantor Trusts from Start to Finish"
    NBI Seminar, Clayton, Missouri, February 6, 2017
  • “Basis Basics and the New Basis Consistency and Reporting Regulations”
    Greensfelder Estate Planning Seminar, November 3, 2016
  • “Material Participation Rules for Trusts: Leveraging the Aragona Trust Holding to Minimize NIIT Impact - Avoiding the Passive Activity Loss Rules for Trusts Through Strategic Planning”
    Strafford Seminars, September 27, 2016
  • “The Affordable Care Act- Small Business Considerations”
    ADP Joint Client Presentation, July 1, 2015
  • "Estate and Gift Tax Planning for Business Owners" and “Legal and Tax Considerations in Selling a Business and Estate and Gift Tax Planning for Business Owners”
    National Business Institute Business Ownership Succession Planning Event, June 2015
  • “Legal Considerations and Asset Protection for Real Estate Investments”
    Real Estate Mastermind Group, February 1, 2015
  • “The Affordable Care Act — A Review of ACA Aggregation Rules and Other Issues”
    Chesterfield Chamber of Commerce-Business Over Breakfast, November 1, 2014
  • “Estate Planning Basics”
    Chesterfield Rotary, May 1, 2014
  • “Estate Planning Basics for the Sandwich Generation”
    St. Louis College of Pharmacy Sandwich Generation Workshop, February 1, 2014
  • “The Affordable Care Act, After the Delay- Now What? A Review of New Regulations and Overview of Obligations”
    July 2013


Articles & Books


Blog Posts

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