James M. Polyak, Esq.

Andrea E. Mertz, Esq.

Criminal Defense Attorneys
25 years of experience in the
Criminal Courts of Berks County


645 Penn Street

Suite 500

Reading, PA 19601


Tel. 610-376-5250

Andrea E. Mertz, Criminal Defense Attorney 

Reading, PA Criminal Defense Attorney Andrea E. Mertz has 17 years of experience defending the rights of clients charged with criminal offenses in Berks County. She does so with persistence, passion and principle. Attorney Mertz has dedicated her law practice to representing clients charged with felony and misdemeanor crimes including Homicide, Aggravated Assault, Burglary, Robbery, Theft, Rape, Firearms offenses, Drug violations, and DUI. Through her advocacy skills, she has earned a reputation for being an aggressive trial attorney, successfully defending her clients' rights from the Preliminary Hearing through trial. She combines extensive trial experience and knowledge of the Berks County court system with a personal commitment to her clients, in order to offer zealous representation in a supportive environment. Ms. Mertz is extremely active and respected in the Berks County legal community, and serves as Co-Chairman of both the Criminal Defense Section and the Criminal Law Section of the Berks County Bar Association. She is an active member of the Pennsylvania Association of Criminal Defense Lawyers. Recently, the American Society of Legal Advocates named her a Top 100 Criminal Defense Lawyer in Pennsylvania. She currently maintains a “Superb” rating from the attorney rating website AVVO.com and recently received the “Client’s Choice” award from AVVO.com in the areas of DUI and Criminal defense. 

Educational Background

Ms. Mertz graduated from Governor Mifflin High School and attended Purdue University upon receiving a full athletic scholarship to play Division I field hockey. She completed her undergraduate studies majoring in Political Science with an emphasis in Women's Studies. Ms. Mertz graduated with "Highest Distinction" honors and was inducted into The Phi Beta Kappa Society, the nation’s oldest honor society.  After college, she attended the Washington College of Law at American University in Washington, D.C. where she was a regular finalist in the American University Moot Court program.

Attorney Mertz has represented clients in matters ranging from misdemeanors, to the most serious and violent felonies. She has an excellent record of success in the courtroom and her client reviews reveal that she takes every case seriously. Attorney Mertz seeks to protect every client’s freedom and reputation, just as if she was representing a close friend or family member. She has the experience to give reliable advice and the passion and talent to advocate successfully on behalf of her clients.


Recent Awards

American Society of Legal Advocates – Top 100 Pa. Criminal Defense Lawyer – 2016

Bar Admissions

  • Commonwealth of Pennsylvania
  • U.S. District Court for the Eastern District of Pennsylvania
  • State of Maryland

Professional Associations

  • Pennsylvania Bar Association
  • Pennsylvania Association of Criminal Defense Attorneys
  • Berks County Bar Association
    • Co-Chair - Criminal Defense Section – 2016 to Present
    • Co-Chair - Criminal Law Committee – 2015 to Present