Steven M. Pacillio, Esq.

Managing Partner,
Delaware County and Philadelphia Offices

Top Lawyer - 7 Years
Top 100


Steven M. Pacillio is a founding member and the managing partner of the firm’s Delaware County and Philadelphia locations.  Mr. Pacillio focuses his practice in the field of criminal defense. An Ivy League graduate, Steve earned his Bachelor’s degree from the University of Pennsylvania.  He went on to receive his Juris Doctorate from the University of Pittsburgh School of Law, where he served on the Library & Technology Committee of the Faculty Advisory Board.  Mr. Pacillio sat on the Alumni Board of Managers of the University of Pennsylvania, he volunteers as the Solicitor for the Thornbury Historical Society, and was a member of the Board of Directors of JURIST Legal News and Research Services, Inc., the world’s only law school-based comprehensive legal news and research service.

Mr. Pacillio left a career in the Information Technology field where he specialized in computer design, network implementation, and network security.  Before joining Omnis Law Group, LLC, Steve served as an Assistant District Attorney in Delaware County, Pennsylvania for about five years and was a criminal defense partner in a general litigation firm for more than a dozen years.  He handled cases in the Magisterial District Courts, Summary Appeals, the Juvenile Division, Drug Court, and the Criminal Trial Division.  He was a founding member and lead prosecutor for the County’s Internet Crimes Against Children (ICAC) Task Force, under a grant from the U.S. Department of Justice.  The task force prosecutes Internet solicitation and child pornography cases. Mr. Pacillio is recognized as a subject matter expert in cases involving Child Sexual Abuse Materials (CSAM), child pornography, and online solicitation. Additionally, he headed up the Insurance Fraud Unit and Auto Theft Prevention Unit under grants from the Commonwealth of Pennsylvania.  After leaving the District Attorney’s Office, Steve served as law clerk to the Honorable Robert C. Wright in the Criminal Division of the Delaware County Court of Common Pleas.

Mr. Pacillio is an active member of the Pennsylvania Association of Criminal Defense Lawyers (PACDL), the Delaware County Bar Association, and the Chester County Bar Association. He has presented numerous seminars to members of the bench and fellow members of the bar nationwide over the past two and a half decades.  He has presented criminal law topics such as Sex Crimes, Child Pornography/CSAM, Computer Crimes, Digital Evidence, Trial Preparation & Techniques, and the Sex Offender Registration and Notification Act (SORNA) and Sexually Violent Predator (SVP) hearings.  Steve serves as an instructor for the Pennsylvania Bar Institute, PACDL, the Delaware County Bar Association, and several other Bar Associations, creating and presenting continuing legal education (CLE) courses to educate other attorneys.  Steve also serves as a consultant and expert witness, assisting fellow attorneys in litigation matters involving advanced technology and computer forensics in both State and Federal courts.

Mr. Pacillio has been named as a Criminal Defense “Top Lawyer” by Main Line Today magazine for the last seven consecutive years. He has been honored as a “Clients’ Choice” and “Superb”-rated attorney by Avvo.  In addition to his extensive experience with complex and technical cases, Steve has experience as a healthcare provider under the Pennsylvania Department of Health Emergency Medical Services Division and assists the firm in medical documentation review.  Mr. Pacillio’s bar admissions include:

  • Supreme Court of Pennsylvania (state trial and appellate courts)
  • U.S. District Court, Eastern District of Pennsylvania
  • U.S. District Court, Middle District of Pennsylvania
  • U.S. District Court, Western District of Pennsylvania
  • U.S. Court of Appeals for the Third Circuit
  • U.S. District Court, District of Delaware (pro hac vice)

Contact Information

Office: 484-81-OMNIS  ext. 2
Fax: 484-321-8181
Avvo: Click for Profile
LinkedIn: Click for Profile

Client Reviews

  • I've been in trouble with the law dozens of times over the years and I've used several different lawyers. Steve Pacillio is by far the best I've ever used. He works in several counties and knows the DA attorneys and is respected by the judges everywhere we go. He knows the law and can argue his way out of anything. If you want someone to lay down and take a quick plea save your money and get a public pretender. If you want someone to fight for you tooth and nail hire Steve. His fees are not cheap but good lawyers aren't cheap and cheap attorneys aren't good. Don't be cheap, pony up the fee and hire the best!

    Best lawyer around and I've had many Anthony
  • Mr. Pacillio strives to achieve the best possible result for each client, given his or her specific situation. In our case, i believe he was successful. He is encouraging but does not give false hope. He obviously is well respected by the court and others involved in the criminal justice system of Delaware County. As a result, I believe that his clients are well represented. I would definitely recommend Mr. Pacillio as a criminal defense attorney.

    A Truly Professional Defense Attorney Paul
  • Mr. Pacillio was most helpful in guiding me through the legal process and achieving a desired outcome. Professional, prompt, and helpful. Though I hope to never need the services of a criminal defense attorney again, he would be my first call. Highly recommend.

    Does What He Says He'll Do... A Client
  • Steven was very helpful and supportive throughout my boyfriends case. He kept us informed of all of our options and was always very realistic and honest with us. He laid our options out and explained them to us very clearly letting us know every detail and what it entailed. My boyfriends case lasted approximately a year and Steve worked very closely with us the entire time to ensure we had the best possible out come and that we explored every option we had. was always honest, upfront and realistic when speaking with us and explained things in a manner that we could understand. I would highly recommend Steve he was truly great.

    Awesome and Super Helpful A Client
  • I was charged with drug offenses for things found in my dorm room. Steve Pacillio spent time with me before the hearing to get all of the details. When it was time for the Preliminary Hearing he was ready and fought hard. Too bad the judge send the charges to the next court anyway. Steve didn't give up the fight, he filed a motion with the next judge to have the case dismissed and we won! Case DISMISSED and my record is still clean! He fought to the end and won!

    Fight to the End A Client