Madison Metro Area

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Madison Criminal Defense Lawyers - If you’ve been arrested and charged with a crime in Madison, or anywhere in the state of Wisconsin, you owe it to yourself to hire an experienced criminal defense lawyer who will fight tirelessly for your rights. William O. Marquis has been zealously representing individuals charged with misdemeanor and felony charges for more than 31 years.
Known for his aggressive approach, he has been nicknamed, “Fighting Bill” by a prosecutor. Mr. Marquis is an experienced investigator. He commits 100 percent to each case and will fight exhaustedly on your behalf from the initial meeting through to trial. He has tried hundreds of jury trials and has been ranked as one of the best criminal attorneys in Milwaukee by Milwaukee Magazine.

Education and Experience
Mr. Marquis served in the U.S. Air force and was honorably discharged as a sergeant. After being honorably discharged, he became a veteran’s counselor and then obtained his undergraduate degree from the University of Wisconsin-Madison. He went on to graduate from South Texas College of Law. While he was pursuing his law degree, he received unparalleled training while working voluntarily with Attorney Will Gray on the “Huntsville Shoot-Out” case.
Since then, Mr. Marquis has successfully handled thousands of criminal cases. He has established a reputation for excellence and success. He has extensive experience in a complete range of criminal charges, including (but not limited to):
- Drug charges, including trafficking and conspiracies
- Violent charges, including homicide and armed robbery
- Sex charges, including internet sex crimes
- Fraud charges, including bank fraud and healthcare fraud
To schedule a consultation with Mr. Marquis, contact our law firm today.
Law Offices of William O. Marquis
230 W Wells St.
#327
Milwaukee, WI 53203
800-945-4310
Your confidentiality matters. No information, including phone numbers and email addresses will be exchanged, shared or sold to a third party. Submissions are not Attorney/Client privileged, and do not create an attorney/client relationship between you and the attorney. We look forward to hearing from you and will be in contact shortly.