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Jonathan Matthew Guilfoil

DUI and DWI Attorney at North Kansas City, MO

Not yet reviewed

also known as Matt Guilfoil

  • Licensed for 24 years
    State MO
    Acquired 2000
    Good Standing, Active No misconduct found

We have not found any instances of professional misconduct for this lawyer.

About Jonathan

Learn Jonathan’s areas of practice.

J. Matthew Guilfoil—Mr. Guilfoil received his undergraduate degree from DePaul University and his law degree from the University of Missouri at Kansas City. He is Managing Member of The Guilfoil Law Group, L.L.C., in Kansas City, Missouri.

Mr. Guilfoil has completed the International Association of Chiefs of Police (IACP) / National Highway Traffic Safety Administration (NHTSA) approved 20-hour course in the administration of standardized field sobriety tests and is one of only four defense attorneys certified as an IACP / NHTSA standardized field sobriety testing instructor in the State of Missouri.

He is certified to operate the Intoxilyzer 5000 breath-testing machine and has completed numerous training courses for both the Intoxilyzer 5000 and Datamaster breath-testing machines, the two most commonly used breath-testing devises used by law enforcement in Missouri. In 2008, Mr. Guilfoil also attended and completed rigorous, proficiency-based training at the Forensic Blood and Urine Seminar held in Atlanta, Georgia.

Mr. Guilfoil is also one of only two Missouri defense attorneys that has completed the 24-hour Drug Evaluation and Classification Overview Course, comprising the basis of the IACP / NHTSA Drug Recognition Expert (DRE) program. In 2003, 2006, and 2008, he attended the Summer Sessions of The National College of DUI Defense, a seminar taught by a faculty of the top trial attorneys in the United States which is held at Harvard University, in Cambridge, Massachusetts. From 2006 to 2009, Mr. Guilfoil served as the Missouri State Delegate to the National College for DUI Defense.

Mr. Guilfoil is a recognized expert who has authored articles on DUI/DWI defense that have been published by the Missouri Bar Association, including the “Standardized Field Sobriety Testing and Cross Examination of the Arresting Officer” Chapter of the Missouri Bar CLE “Black Book” series, utilized by attorneys throughout the State of Missouri.

He has taught numerous professional and continuing education courses on DUI/DWI defense-related topics to attorneys, police, and other law enforcement agencies in Kansas and Missouri for the Kansas City Metropolitan Bar Association, the Kansas Trial Lawyer’s Association, and Lorman Education Services. In March of 2006, he presented a lecture to Missouri State Water Patrol addressing proper Standardized Field Sobriety Testing Procedures. He has been quoted in the Missouri Lawyer’s Weekly and the St. Louis Daily Record on DUI/DWI-related issues as well.

Mr. Guilfoil is a currently a member of The National College of DUI Defense, The American Association of DUI Trial Lawyers, the Missouri Association of Criminal Defense Lawyers, and the National Association of Criminal Defense Lawyers. In 2007-2008, he served as Chair of the Municipal Court Committee of the Kansas City Metropolitan Bar Association. Since 2006, he has been cited in Madison’s Continental Who’s Who. Since 2010, he has been named as a “Rising Star” in Super Lawyers. Since 2010, he has been listed in Ingram’s Top Lawyers in the Kansas City area. Since 2010, he has been recognized as a KC Magazine’s Top Young Attorney in Missouri & Kansas Rising Stars (selected by attorney peers), and he has been included as a Best Lawyer in Best Lawyers in America, Inc. since 2010. The Guilfoil Law Group as a firm has also been listed in Best Lawyers in America since 2011.


The Guilfoil Law Group, LLC
1236 Swift
North Kansas City, MO, 64116

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AVVO RATING 7.1 (Very Good)


  • Depaul University
  • B.A.
  • 1994


  • DUI Defense Lawyers Association
  • Founding Member
  • 2014 - Present
  • National College of DUI Defense
  • 2001 - Present


  • Missouri Bar Association Black Book Series DWI Law & Practice
  • Standardized Field Sobriety Testing and Cross Examination of the Arresting Officer. "DWI Law & Practice"
  • 2014

Attorney endorsements

Received (4)
Given (0)
Endorse Jonathan
DUI and DWI Attorney | Sep 29
Relationship: Fellow lawyer in community
"I met Mr. Guilfoil 15 Years ago when he took care of a traffic ticket for me. I chose him because of his writings on Criminal Law. My practice covers traffic law and some DUI. Matt is who I refer my complex Dui cases too. He is not just a DUI attorney, he is an expert."
Criminal defense Attorney | May 27
Relationship: Fellow lawyer in community
"I endorse Jonathan. He is a highly skilled attorney that is well respected in the legal community."
Unknown Attorney | Jun 11
Relationship: Fellow lawyer in community
"I would recommend a friend or family member in need of serious legal help hire Mr. Matthew Guilfoil promptly. He is a dedicated and compassionate professional with a record of success and outstanding results."
DUI and DWI Attorney | Apr 25
Relationship: Fellow lawyer in community
"Having been a member of the National College for DUI Defense for over 10 years now, and as an annual attendee of two to three national DUI defense seminars, I have been privileged to get to know many of our nation's finest DUI defense attorneys. Matt Guilfoil is undoubtedly amongst this select group. His reputation for professional excellence far exceeds the borders of Missouri. His reputation as a well trained, experienced, ultra talented yet deeply compassionate, DUI defense attorney is not only national but matched by very few. I proudly and loudly endorse Matt Guilfoil. The citizen accused could be in no better hands. Period. The fact that he is a personal friend is but a bonus."
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North Kansas City DUI and DWI Lawyer Jonathan Matthew Guilfoil
Jonathan Matthew Guilfoil
DUI and DWI Attorney
North Kansas City, MO
Licensed for 24 years