Private Investigation

Full service private investigation. Former supervisory Federal agents.

Martin Investigative Services provides full-service private investigation services for both corporations and individuals.

Reasons to choose Martin Investigative Services:

  • Over 40 years of professional experience.

    Many other firms are just starting or do not have a professional background.

  • Our investigators are former Supervisory Federal agents.

    We employ a network of private investigators that are former DEA, FBI, IRS, and Secret Service agents.

  • Martin Investigative Services
  • No job too big or too small.

    Just call us, and let us know what's on your mind. Either we can help, or we can point you in the right direction.

  • Save money.

    Be it business or personal, an effective investigation helps you avoid the bad decisions that ultimately cost money.

  • High success rate.

    Over the last 40 years, we have helped individuals and businesses resolve all types of problems and issues.

  • Friendly & approachable.

    The idea of calling a private investigator can be intimidating. You will find us friendly and down-to-earth.

  • We help you with the next steps.

    After you find out the truth, no matter what the outcome is - we can help you with the next steps.

In addition to the above, Martin Investigative Services has compiled the largest database of public information in the United States, and can use it to maximize the value of your actions, make personal decisions, or reduce business risk. We can identify assets and accounts in all fifty states and internationally - often when others cannot.

  • Our private investigators are former supervisory Federal agents, so we can provide results for you.
  • Our private detective agency has 40 years of experience, and is one of the largest in the country.
  • Our asset search services can identify assets and accounts in all fifty states and internationally, often when others cannot.
  • Our litigation support services help lawyers win cases. Like yours.
  • Our investigators can assist with unsolved crime, helping clients fill in the details surrounding a case to shed new light on the situation.

National investigation services, California offices

Martin Investigative Services offers full-service investigation for corporations, businesses, celebrities, and other individuals across the United States and abroad. We are headquartered in Orange County, California, with offices in Newport Beach and Mission Viejo. We also have offices in Los Angeles and San Diego. Read more about Martin Investigative Services.



  • Surveillance: Marital, Workers Comp, Insurance
  • Unsolved Crime and Cold Cases
  • Asset and Background Information Searches
  • Locating Friends and Family
California Private Investigator > Orange County Private Investigator :
Newport Beach Private Investigator: 620 Newport Center Drive, Suite 1030, Newport CA 92660 • Google MapYahoo Map
Mission Viejo Private Investigator: 25909 Pala, Suite 300, Mission Viejo CA 92691 • Google MapYahoo Map

Other office locations:
Los Angeles Private Investigator: 1880 Century Park East, Suite 618, Los Angeles CA 90067 • Google MapYahoo Map
San Diego Private Investigator: 4370 La Jolla Village Drive, Suite 400, San Diego CA 92122-1249 • Google MapYahoo Map