Atty. Jason D. Simmons

Atty. Jason D. Simmons

Member, Kiwanis International-Columbia Kiwanis Club. Member, Mid-Missouri Estate Planning Council.

Columbia Columbia 25 yrs experience 25 year
Call (573) 615-0854 Book Appointment

Profile Summary

About Jason D. Simmons at a glance

Jason D. Simmons is an Attorney based in Columbia, Missouri, practicing at Simmons, Henderson, & Associates LLC. They have 25+ years of legal experience, licensed to practice since 2001. Their practice focuses on contracts, trusts, probate, estate planning, and business. Admitted to practice in Missouri (2001) and U.S. Tax Court (2003). Educated at Washburn University School of Law (J.D. University, 2001) and Truman State University (B.S., 1998). Active member of Boone County Bar Association i, Treasurer – 2014-2014 ii, and Vice President – 2016-2017 iii. Serands clients in Columbia, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Member, Kiwanis International-Columbia Kiwanis Club
  • Member, Mid-Missouri Estate Planning Council

Practice Areas Explained

Jason D. Simmons's Areas of Practice

Each practice area below reflects the types of cases Jason D. Simmons handles, with a brief overview of what that area of law covers.

Contracts

Jason D. Simmons is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in Missouri →

Trusts

Jason D. Simmons is one of 104,171 trusts attorneys indexed nationally. Browse trusts attorneys in Missouri →

Probate

Jason D. Simmons is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Missouri →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Jason D. Simmons is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in Missouri →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Jason D. Simmons is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

Practicing law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Columbia are typically filed in the local municipal court or the appropriate Missouri state district court, depending on subject matter and amount in controversy. An attorney licensed in Missouri brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Missouri courts without local counsel or pro hac vice admission.

Looking for additional Missouri attorneys? Browse all attorneys in Columbia or all attorneys in Missouri.

Frequently Asked

Common questions about Jason D. Simmons

Where is Jason D. Simmons's law office located?
Jason D. Simmons's law practice is located in Columbia, Missouri. The firm is Simmons, Henderson, & Associates LLC. You can contact the office directly through this profile page.
What practice areas does Jason D. Simmons handle?
Jason D. Simmons focuses on contracts, trusts, probate, estate planning, business. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Jason D. Simmons practiced law?
Jason D. Simmons has 25+ years of legal experience and has been licensed since 2001.
Where did Jason D. Simmons go to law school?
Jason D. Simmons earned their education at (J.D. University, 2001); (B.S., 1998).
How can I contact Jason D. Simmons for a consultation?
You can contact Jason D. Simmons directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D. University
Washburn University School of Law
- 2001
B.S.
Truman State University
- 1998

Bar Admissions

Missouri
Admitted: 2001
U.S. Tax Court
Admitted: 2003

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