Professional Investigations Backed By Real Experience

Get Started

About us

Tri State Detective Agency

Who we are

Tri State Detective Agency Philadelphia

Tri State Detective Agency is a licensed private investigation firm based in Philadelphia, providing discreet, results-driven investigative services throughout Pennsylvania, New Jersey, and Delaware. We handle each case with precision and urgency, delivering clear, court-admissible evidence that supports real legal and personal outcomes.

Speak Directly to an Investigator
yEARS Experience
0 +
States Coverage
0
Case Focus
0
Client Satisfaction
0 %
Thomas Nixon Sr.

The founder of Tri State Detective Agency

Thomas Nixon Sr. is a licensed investigator with nearly two decades of experience in fugitive apprehension, known for solving complex cases and delivering results. With a background in criminal justice, he brings deep legal knowledge and proven investigative expertise to every case.

Call Now

Meet our team

We’re a team of licensed investigators with backgrounds spanning law enforcement, corporate security, and military experience.
John Miller

former military intelligence officer

A former military intelligence officer, John brings over a decade of experience in investigative techniques and risk assessment. His meticulous approach and strong analytical skills make him a vital asset in solving complex cases. John’s dedication to justice is matched only by his commitment to client satisfaction.

David Rodriguez

background in law enforcement

With a background in law enforcement spanning 12 years, David specializes in criminal investigations and surveillance. His training in tactical operations and conflict resolution allow him to navigate high-pressure situations effectively. David’s strategic mindset ensures thorough investigations and actionable insights.

Mark Thompson

former detective

A former detective with a distinguished career in law enforcement, Mark excels in gathering evidence and interviewing witnesses. His keen instincts and attention to detail have led to numerous successful case closures. Mark’s strong sense of ethics drives his passion for uncovering the truth.

Sarah Adams

former military personnel

An accomplished former military personnel, Sarah has transitioned her skills to private investigations. With expertise in case management and a background in forensic analysis, she brings a unique perspective to her work. Sarah is known for her tenacity and collaborative approach, ensuring clients’ needs are met.

Jessica Hayes

law enforcement officer

With years of experience as a law enforcement officer, Jessica specializes in cyber investigations and information gathering. Her technical proficiency and background in military service provide her with the skills needed to tackle modern investigative challenges. Jessica is dedicated to delivering thorough and accurate results for her clients.