About the Attorney

Thompson Law Office, led by criminal justice attorney Mark Thompson, is a trusted legal resource in Iowa City, Iowa. Specializing in OWI/DUI and criminal defense cases, Attorney Thompson brings over 16 years of experience and has successfully handled 2000+ cases with positive outcomes. Known for his dedication to his clients and aggressive representation in the courtroom, Attorney Thompson is committed to protecting the rights of individuals facing criminal charges.

As a highly-reviewed criminal defense lawyer in Iowa City, Attorney Thompson has a proven track record of success in defending clients at the University of Iowa and throughout the surrounding areas. Since establishing Thompson Law Office in 2004, he has built a reputation for his knowledge of the law, attention to detail, and commitment to achieving the best possible results for his clients. If you are in need of a skilled OWI/DUI or criminal defense lawyer in Iowa City, trust the experience and expertise of Thompson Law Office to guide you through the legal process and fight for your rights.

Practice Areas

Criminal justice attorney

Client Reviews

Jo Barnhart

1/29/2026

I had a great experience working with Mark. From the beginning, he answered all my questions and was always upfront and honest about my situation. He truly went to bat for me, and I was very pleased with the outcome.
I made mistakes and had never been in trouble before, so the entire experience was an eye-opener. I genuinely appreciated his transparency and realistic perspective about the bad choices I'd made. He helped me understand and accept the consequences of my decisions, and I'm incredibly thankful that the results were reduced tremendously compared to what they could have been without his representation.
I highly recommend his services to anyone who needs honest, effective legal counsel.