“Thank you for always being there when we needed you. Your courage and hope got me through many times when my faith was faltering.”
A. B.
“Hiring John as my defense attorney was one of the best decisions I’ve ever made. No joke the judge congratulated him on the great job he did for his client at the outcome of my case. Thank you John!!”
“Thank you so much for all of the help you have given B. with his case. We appreciate it very much.”
“John W. Callahan is, without a doubt, the answer to all of your legal problems. He is the best in the industry and as far as I am concerned, the best in the country.”
“I highly recommend John if you’re in need of a grade ‘A’ Lawyer!”



If you have been charged with a serious crime, you need help.  Don’t lie down and let the police or the state run over you. Being arrested and facing criminal charges is a terrifying experience. We will guide you through it.



A DUI charge is serious.  You have to move fast! We help minimize and often prevent any damage to your license and criminal background. We attack weaknesses in the DUI charges against you – giving you a great DUI defense.



The attorneys at John W. Callahan, Ltd., put decades of DUI charge and Criminal Defense experience to work helping our clients. Read some of the reviews our clients have posted about our services and find out how we can help with your case.


Chicago Criminal Defense Law Firm IL

Defending People Accused of Criminal Charges

10 Best 2014-2016 Client Satisfaction - AIOCLA Badge At the DUI Defense and Criminal Defense law firm of John W. Callahan, Ltd., we take pride in the fact that we approach every case with helping our clients and winning their case on our minds. Challenges that other lawyers may consider impossible to overcome are something we welcome. We have overcome impossible odds before and we are ready to do it again; from felony sex charges to misdemeanor DUI. Over and over again, we obtain successful results for our clients in DUI charges and criminal matters due to the hard work and attention to detail that each case requires.  It is this attention to detail that enables us to beat cases that other lawyers found unbeatable.

We offer free consultations. Call us at 1-877-335-6697 to speak within minutes with an experienced criminal defense trial attorney. You can also e-mail us us.

If you or a family member has been charged with a crime such as domestic battery, DUI, drug case or sex investigation, you need answers fast.  We pride ourselves on answering calls anytime during the week as the need arises.  When you need help, call us right away.  The initial consultation is free so it is important to get experienced criminal defense advice right away.

Over the course of the past 20 years, we have made a point of rising above difficult challenges and beating criminal charges for our clients. Along the way, we have gained a wide range of accolades, experiences and accomplishments, including client satisfaction rewards almost every year as well as numerous satisfied clients who shower us with five star reviews on an almost weekly basis.

NACDA 2015 Top Ten Ranking BadgeIf you are looking for a lawyer who can handle your criminal case, John W. Callahan, Ltd. concentrates only in criminal defense and DUI charges. We don’t handle personal injury and we don’t handle contracts or divorce.  All our defense lawyers do is represent clients charged with criminal matters and DUI every single day.  Our team includes a former criminal prosecutor, which means we have firsthand insight into how the other side approaches the serious cases that we handle. We have seen their methods and we know how to defend against them as well as how to negotiate the best deal for our clients.

Among our criminal defense lawyers is a member of Mensa International who, like the rest of the team, prides himself on his ability to apply intelligence to the most complex legal challenges in order to find answers that others may not have found.  We also have former Cook County and DuPage County prosecutors who will utilize that experience to work for your best outcome.

Our criminal defense and dui defense law firm is available to offer our services to people accused of crimes in Schaumburg, Chicago,  and the surrounding counties of Illinois including Cook, Dupage, Lake and Kane and Will counties.

If you or someone you care about has been accused of a crime and needs an aggressive and experienced defense lawyer, or if you have been arrested for a DUI, or questioned by the police, we encourage you to get in touch with us as soon as possible. Whether you need an attorney familiar with defense against drunk driving charges, protection from drug charges or any other criminal matter, we can help. You need to get started right away. We will utilize all of our talents and give you every opportunity to help protect your future.

Call us at 1-877-335-6697 to speak immediately with an experienced criminal defense lawyer. You can also e-mail us.


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1701 East Woodfield Road
Suite 1101
Schaumburg, IL 60173


22 W. Washington Street
Suite 1500
Chicago, IL 60602


1755 Park Street
Suite 200
Naperville, IL 60563