Martin Investigative Services
Call 800-577-1080
Thomas Martin
California Based – Serving States Nationally!

Thomas Martin

Former federal agent. Professional private investigator.

Thomas G. Martin is a highly-decorated former BNDD/DEA agent with the US Department of Justice and president of the country’s leading PI agency, Martin Investigative Services. He has been involved in numerous criminal cases that garnered national attention, including many unsolved crimes and cold cases.

Today Martin oversees 22 investigators, many former Federal agents from the DEA, FBI, IRS, and Secret Service, in five California offices: Newport Beach, Los Angeles, San Diego, San Francisco and Mission Viejo.

He and his network of agents provide unparalleled private investigation and corporate investigation services, bug sweeps, background checks, fraud investigation, missing persons and surveillance.

From the Desk of Thomas Martin                                 

We are here to help you.

I founded Martin Investigative Services in Newport Beach in 1982, and we have been serving corporate and individuals for the past forty years. As a retired federal agent with the Department of Justice, I have assembled a team of former agents from the FBI, DEA, IRS and Secret Service that is unsurpassed in our profession.  We serve clients throughout the United States as the only known PI agency with former federal agent contacts in all 50 states. If you are searching for a “private investigator near me,” rest assured here at MartinPI, we have you covered no matter where you live. Please take a moment to watch my video and check out my definitive books on private investigation and how to live your best, safest life. If you have a question or wish any matter clarified, please call our toll-free number at (800) 577-1080 and one of our staff will be pleased to speak with you.


Mr. Martin has over 50 years of professional experience in corporate security and as a private investigator.

With his extensive public and private investigation background and a Masters degree in Public Management, Martin is recognized as an expert investigator in Federal, state, and local courts. He works closely with the legal community throughout Southern California where his services have been respected and relied upon for decades.

Martin has helped locate hundreds of missing persons and runaways for their families and loved ones, and has worked with executives at Fortune 500 and large private companies on matters of fraud, electronic eavesdropping detection sweeps.


Mr. Martin has been involved in many high profile cases with national exposure, including many unsolved crimes. He has been featured in many of the nation’s leading newspapers including The New York Times, The Los Angeles Times, The Washington Post, Las Vegas Review-Journal, and the Orange County Register. He has also appeared numerous times on all three major television networks and cable channels including CNN.

Martin is the author of If You Only Knew, a book which educates consumers how to do their own entry-level investigation, how to avoid fraud and scams, and “live free”. The entire text of the book is now publicly available as the Web site Investigator Confidential.

Your privacy Matters

First is your privacy. We keep nothing. We give all copies of photos and videos collected during any surveillance investigation to the client. We keep nothing.

Our Guarantee

Full money-back. Guarantee. We offer a 100% full money-back guarantee on all of our services.

How can we be so confident?
Our investigators are Former Federal agents. Our network comprises private investigators that are former DEA, FBI, IRS, and Secret Service agents.

Get The Insider Point of View

Table of Contents:
  1. The Life of a PI
  2. Marital Misadventures
  3. The Nuts and Bolts of Divorce
  4. Love Is a Con
  5. Scams and Suckers
  6. Greed: Love of Money Is the Root of All Evil
  7. Disappeared
  8. Bringing People Together
  9. Protecting Your Home . . . and Everything in It
  10. International Incidents
  11. The Ethics of Investigating : How to Hire the Right PI

Testimonials for Seeing Life Through Private Eyes