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.

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

MartinPI Operates throughout the United States and foreign countries

We can have a team ready in 2 days. Are you ready?

Our network is composed of private investigators that are former DEA, FBI, IRS, and Secret Service agents.

We respect your time and thank you for stopping by. Please look around and learn about our services.  Should you need help today, simply press the button below.

See Our Guarantee


A professional private investigator will always have an office. It is especially common in California for private investigators to not have offices, preferring instead to meet at restaurants or communicate by phone or email only.

Martin Investigative Services will always provide you with an estimate upon our first conversation. All consultations remain free and confidential.

A professional private investigator will provide an accurate estimate and will not exceed the quote without your approval.

Your first conversation with any reputable private investigator should always be at no charge.

Martin Investigative Services has performed background checks, private investigation, surveillance and bug sweeps for our clients.  They have also served difficult process in lawsuits.  They have performed unquestionably and unfailingly to perfection.  We will always call Martin first – and hope he hasn’t been called yet by the other side!

Lisa & Bruce Hughes

Hughes and Hughes, LLP

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

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