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Private Investigative Agency 

Lancaster Detective Agency is a Pennsylvania based private investigations agency.  Our founder and owner, Sean L. Hall, is an experienced former U.S Air Force Law Enforcement officer with over 22 years of investigative experience.  Currently Sean Hall is serving as Secretary for 2020 and 2021 for the Pennsylvania Association of Licensed Investigators, . At Lancaster Detective Agency we are dedicated to maintaining our well-deserved professional reputation as a results oriented full-service private investigative agency.  While we are based in Pennsylvania, we do work in all 50 States and most Countries.

We are dedicated to tailoring our skills and resources to meet your unique needs.  Our investigators are here to provide you with unparalleled knowledge and service.  Let us be your "ONE STOP" investigative source.  We provide FREE Consultations as well as FREE review of your case.  Just submit your case and we will respond with options and a quote.

Our Services

We specialize in family matters including but not limited to: Child Custody, Divorce Matters, Infidelity, and Cohabitation.  We provide cost effective investigative options to fit your budget. Be confident that we will handle your case with the sensitivity and confidentiality you deserve. We have the latest in covert video technology which includes hidden body cameras, GPS and remote unmanned surveillance systems.


Other services include: Infidelity/Cheating, Child Custody, Cohabitation, Digital Forensics,  Debugging Sweep, Surveillance, Unmanned SurveillanceCriminal Investigations, Employee Theft, Missing Person, Background Investigations, Workers Compensations Fraud, Accident Investigations, Cell Phone Recovery and Examinations, and GPS Purchase/Rental.

Jason K.

Excellent service, equipment, and results. I’ve known Sean personally and professionally for over 20 years. While many PI’s have come and gone Sean and Lancaster Detective Agency have continued to provide dynamic results to their clients! Top of the line technology and equipment assure you the best results for your case!

Sheila Miller

This detective agency is wonderful Sean put up a camera got us the what we need to win my son custody case answer all the email and the many questions I had . He always keep me up to date with what was going . Sean is honest and reliable and I highly recommend him to anyone.

Alan Cassidy

This company, has gone above and behind to a greater extent, than any company I have ever worked with. This is extremely important in such a trying time. Thank God for Lancaster, will certainly recommend to a friend.

Extremely professional detective services in and around the Lancaster County area. Contact Sean Hall at Lancaster Detective Agency to investigate your situation. He gets the job done.

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