Jonathan P. Crannell

Founder & Managing Attorney

Jonathan P. Crannell

About Jonathan

Jonathan P. Crannell founded The Crannell Law Group in 2009 with a straightforward goal: give injured people the same quality of representation that insurance companies pay for on the other side. Since then, the firm has recovered more than $50 million for individuals and families across Illinois.

Jonathan knew early on that the courtroom was where he belonged. He grew up drawn to debate and persuasion, and that instinct eventually led him to personal injury law, a field where strong advocacy makes a real difference in people’s lives. He also has a genuine interest in medicine and the human body, which helps him understand his clients’ injuries at a level that translates clearly to judges and juries.

What sets Jonathan apart is how he treats the people he represents. He answers texts and phone calls. He does not hide behind a receptionist or a voicemail tree. Many of his clients live near the Naperville office and stop by unannounced, and he welcomes it. He is persistent, honest, and direct. When there is good news, he shares it. When the news is not great, he shares that too. His clients always know where they stand.

“Most of my clients feel like they are in a David versus Goliath situation before they hire me. I help level that playing field so they can focus on getting better while I focus on getting a fair result.”

Jonathan is aggressive at the negotiating table and relentless in the courtroom, but he is not the kind of attorney who wins through intimidation or bluster. He wins through preparation, honesty, and the fact that he genuinely cares about his clients and their families. His former clients consistently refer friends and family to him, and he considers that the highest compliment an attorney can receive.

At the end of the day, Jonathan loves what he does. He gets to stand up for people who would otherwise be outmatched by insurance companies with enormous budgets, teams of adjusters, and every incentive to pay as little as possible. Somebody has to keep those companies honest, and that is exactly what Jonathan does.

Jonathan proudly serves the communities of Naperville, Aurora, and throughout DuPage, Kane, Will, and Cook counties.


Education

  • J.D., Chicago-Kent College of Law, Illinois Institute of Technology, Chicago, Illinois (2009)
  • B.S., Management Information Systems, with a minor in Interactive Media Studies (2006)

Bar Admissions

  • State of Illinois, 2009

Professional Associations

  • Illinois Trial Lawyers Association
  • Illinois State Bar Association
  • DuPage County Bar Association

Practice Areas

Award-Winning Naperville Personal Injury Representation
Avvo Top Attorney
Top 100 Trial Lawyers
Rising Star
Best of Naperville
Avvo Client's Choice
2026 Recognition

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In Their Words

What our clients say.

4.9★★★★★
Based on 128 Google reviews

They fought for us when no one else would. Jon made us feel like we were his only clients.”

Former Client
Car Accident · DuPage County
★★★★★

The end result was a sizable settlement that far exceeded the insurance company’s initial offering.”

Rob S.
Dog Bite · 2025
★★★★★

I called and it was almost an immediate weight lifted off. Jon even went out of his way to meet us at the hospital a few times.”

Rebecca W.
Personal Injury · 2025
★★★★★

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