Jonathan Sills


Attorney Jonathan Sills manages the firm’s Criminal Defense Division and is also the firm’s lead trial attorney. Attorney Sills has an established record of obtaining Not Guilty verdicts in Felony and DUI Trials. He has been recognized by the National Trial Lawyers Top 100 as one of the top criminal defense trial attorneys in Connecticut. In addition he has been recognized by the National Advocacy for DUI Defense as one of the top DUI attorneys in Connecticut. Attorney Sills has been featured on NBC’s The Today Show as a Criminal Defense Analyst. He, along with Attorney Tomeo, co-author’s the Connecticut Practice Series book CONNECTICUT DUI LAW, the premiere “how to” guide to defending DUI cases in Connecticut designed for the legal practitioner.

As a Connecticut criminal defense attorney at Tomeo Sills, LLC, he has had the opportunity to defend individuals from a wide range of charges, including DUI. He regularly represents clients before the Department of Motor Vehicles to protect their driving privileges amidst DUI charges. He also assists individuals who wish to file for an appeal of their criminal or administrative cases. His determination and resourcefulness has led to many successful results.

When defending accused individuals, Attorney Jonathan Sills is passionate and relentless. If you are currently facing criminal charges, he can help you face this stressful situation head-on. His in-depth knowledge regarding this area of the law can make you feel more at ease about your future. He will ensure that you understand your rights and explain the options that are available to you before creating a results-driven strategy.

Attorney Sills is a graduate of the University of Connecticut and the University of Connecticut School of Law. He is married to Karen Sills, a graduate of Princeton University and the University of Connecticut School of Law, and a corporate attorney at Prudential. Jonathan and Karen reside in West Harford with their young son Brendan. In his free time, Attorney Sills enjoys coaching Brendan in youth sports and officiating high school basketball games throughout Hartford County as a member of the International Association of Approved Basketball Officials.

Have questions for Attorney Sills? Don’t hesitate to give our office a call today.


  • University of Connecticut, J.D. – 2006
  • University of Connecticut, B.A. Political Science (Magna Cum Laude) – 2003

Professional Associations & Memberships

  • American Bar Association
  • Connecticut Bar Association
  • Hartford County Bar Association
  • Connecticut Criminal Defense Lawyers Association
  • Golden Key International Honor Society
  • Pi Sigma Alpha


  • “Connecticut DUI Law,” 2015 ed. (Vol. 21, Connecticut Practice Series).
  • “China’s Copyright Crisis: How the Internet has Exacerbated China’s Already Weak Copyright Laws and How the U.S. Can Combat Pirating of its Software.” Connecticut Intellectual Property Note (April 10, 2006)

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When it comes to your future, it is essential to reach out to a defense attorney right away. For your convenience, feel free to send us some details below regarding your case, or call us directly at 844-913-7747.