Experience, Integrity, and a Commitment to Justice
At McMahon, Lentz & Thompson, we are a team of highly experienced and dedicated attorneys who have been serving the Pennsylvania community for over forty years. Our mission is to provide top-notch legal representation to our clients, using our exceptional skills, thorough preparation, and unmatched courtroom experience to achieve the best possible results.
Our Services
We offer a wide range of legal services to individuals and families in Pennsylvania. Our practice areas include:
Personal Injury
- Automobile Liability Cases
- Premises Liability Cases
- Workers' Compensation Cases
- Product Liability Cases
- Medical Malpractice Cases
- Wrongful Death Cases
Criminal Law
- Criminal Defense
- DUI Defense
- White Collar Crime Defense
- Federal and State Criminal Defense
Family Law
- Divorce
- Child Custody
- Alimony
Our Commitment
At McMahon, Lentz & Thompson, we are committed to delivering exceptional legal services to our clients. We understand the importance of personal attention and guidance throughout the legal process. Our team of experienced attorneys will work closely with you to address your legal concerns and achieve the best possible outcomes.
Our Results
Our impressive track record speaks for itself. We have secured numerous big wins for our clients, including verdicts and settlements in excess of $1 million. Our commitment to excellence has earned us a reputation as one of the premier law firms in Pennsylvania.
Meet Our Attorneys
Our team of attorneys includes John I. McMahon, Jr., Erin C. Lentz, and Brooks T. Thompson. Each of our attorneys is highly experienced and dedicated to providing exceptional legal representation to our clients.
Contact Us
If you are seeking legal representation in Pennsylvania, look no further than McMahon, Lentz & Thompson. We invite you to call us at (610) 272-9502 to schedule a free consultation and learn more about how we can help you achieve your legal goals.
Overall Experience
The reviews highlight an exceptional experience with John McMahon and his law firm. Clients praise his expertise, professionalism, and dedication to their cases.
Communication and Support
Clients appreciate John's ability to communicate effectively, keeping them informed throughout the legal process. His team is described as kind, patient, and supportive, making clients feel confident and comfortable.
Results and Outcomes
Reviewers credit John with achieving the best possible outcomes for their cases. They express gratitude for his hard work, citing his ability to navigate complex legal proceedings and secure positive results.
Personal Qualities
John is described as genuine, caring, and professional. Clients appreciate his friendly and approachable demeanor, making them feel at ease during difficult times.

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