Reviews

Working with Sean has been great! Sean’s expertise, dedication, and professionalism truly sets him apart. I highly recommend Sean for anyone seeking top-notch legal representation.

I've known Sean O'Brien for over 20 years. He's a tremendous lawyer with high character and integrity.

Sean O’Brien’s reputation as an attorney is unparalleled because he’s a great communicator. The way Sean listens, thinks, and engages is always enlightening.

In my career as a police officer, I’ve worked with countless prosecutors, but Sean truly stood out. His professionalism and deep legal knowledge make him an exceptional attorney. I was fortunate to have had the opportunity to work with him on multiple cases in Cook County.

Sean O'Brien is an experienced attorney and works hard for his clients.

Sean has fantastic work ethic and is someone that you can trust to represent you.

Sean is an extremely responsive and experienced criminal lawyer, and his clients are his top priority!

Sean is one of the best trial lawyers in the area. Highly recommended.

Sean is honest and ethical. Great lawyer. Highly recommend.

I recently had the pleasure of working with Sean O'brien, and I cannot speak highly enough about the experience. From our initial consultation to the final resolution of my case, Sean demonstrated exceptional professionalism, expertise, and dedication. His ability to navigate complex legal issues with such clarity and efficiency was truly impressive. Sean took the time to thoroughly explain every step of the process, making sure I felt informed and confident in the decisions being made. He was always accessible, promptly answering my questions and addressing any concerns with patience and care.

I've known Sean for over a decade as a former prosecutor and defense attorney. Great litigator and counselor to have on your side.