Compassion. Dedication. Results.

The Byrnes Law Firm has served the legal needs of St. Charles, St. Louis, and the greater area since 1999. Our team is dedicated to working hard and earning the trust of clients. We’ve built our excellent reputation by providing expert legal services with a caring touch.

As experienced lawyers, it is our goal to be your primary option for legal needs. Our attorneys have experience in a wide variety of legal matters. We offer services in:

Bill Byrnes, the founder of the Byrnes Law Firm, has earned a reputation for going the extra mile for his clients. He has a successful track record of working with his clients to improve their lives beyond just resolving their case. The rest of the team at the Byrnes Law Firm maintains the same level of quality representation.

When you need legal representation, costs are a big concern. We understand this, and it’s the reason we provide free consultations for all types of legal cases. A consultation at the Byrnes Law Firm is more than a simple review of your case. We’ll listen to your story and take in the details. Then we’ll provide you with real legal advice that you can use going forward.


We’re local, and we care about the community. The St. Charles/St. Louis area is home to us. This is reason we do things like provide free rides on holidays and contribute to local charities.

If you’re in need of a lawyer for a criminal defense, a personal injury, or family law matters, please reach out today. We’re ready to listen.

Meet our Attorneys

Bill's no rookie when it come to defending your rights in court. He knows tricks that police use to get convictions, and has been winning cases for over 16 years. Maybe you didn't do anything. Maybe you made a mistake. Whatever the case, you shouldn't have to live with it for the rest of your life. Bill Byrnes will fight for the best possible outcome in your case! Bill has won hundreds of cases through his career, in a wide variety of practice areas. See the Byrnes difference for yourself, contact us today to help handle your legal issue.

Bill Byrnes

Bill Byrnes

Attorney Bill Byrnes received his Juris Doctor from Thomas Cooley Law School in 1999. He was invited to study on academic scholarship and graduated Cum Laude, at the top 10% of his class.

Attorney Bio