William A. Mayer

William A. Mayer is a Wisconsin criminal defense lawyer at Mayer Law Office, LLC, representing adults and juveniles charged with criminal offenses. His practice focuses on criminal defense matters involving traffic offenses, drunk driving, drug charges, sex crimes, domestic incidents, physical assault allegations, and other serious cases. He brings decades of courtroom experience to clients facing stressful accusations, using patience, legal knowledge, and focused defense strategies to protect rights and pursue strong results in Wisconsin courts.

Mr. Mayer completed his legal education at the University of Nebraska College of Law in Lincoln, Nebraska, and was admitted to practice in Wisconsin in 1992. Since then, he has devoted his practice to criminal defense. His legal training and long courtroom background support his ability to analyze evidence, prepare trial strategies, work with expert witnesses, and guide clients through difficult criminal proceedings with clarity, preparation, and steady judgment.

Mr. Mayer has extensive trial experience and has completed hundreds of jury trials. His official profile notes successful verdicts in cases involving sexual assault, felony physical assault, drunk driving, and other criminal allegations. He also received the Hanson Memorial Advocates Award, an honor connected to the rare achievement of winning a criminal homicide case. He is a member of the State Bar of Wisconsin and the Wisconsin Association of Criminal Defense Attorneys.

William A. Mayer approaches each case with a strong focus on the client’s best interests. He works to present every client in the strongest possible light and uses proven defense techniques to pursue favorable outcomes. Whether handling a traffic charge, OWI matter, drug case, sex offense allegation, domestic incident, assault charge, or homicide defense, Mr. Mayer provides determined advocacy backed by trial experience, preparation, and client-focused service.

Law Office Affiliations

• Attorney, Mayer Law Office, LLC
• Member, State Bar of Wisconsin
• Member, Wisconsin Association of Criminal Defense Attorneys

Licensed State

• Wisconsin

Education

• University of Nebraska College of Law
  Juris Doctor (JD)

Awards & Badges