Private Investigators

Finding proof and information to protect you, your family, and your business.

If you think you may need a private investigator, this means you have a serious personal or business issue requiring expert assistance. Private investigators find proof and information to protect you, your family, or your business. A good private investigator is licensed, has deep experience, abides the law, advises you on your situation without interest for themselves, and explains what they can and cannot do to help you.

Martin Investigative Services

Why trust what may be one of your most critical personal or professional issues to anyone but a highly qualified provider of these professional services?

With over a century of combined experience, Martin Investigative Services is comprised of professionals from all areas of law enforcement and investigation. Our detectives have deep experience in investigative law and reporting techniques, background investigations, surveillance, interrogation, fraud investigation and litigation issues, and information searches.

Our investigators have ongoing partnerships with local law enforcement, legal representation and industry professionals enabling us to provide a full range of services and support in your time of need.

If you are experiencing trouble in your business, with a spouse or partner, with a family member, with an employee or you feel you’re in danger for any reason, call us immediately. You will be assigned a seasoned private investigator to handle your needs on a one-on-one basis. We’ll meet with you at the location of your choice and your services will be kept in our confidence only. Call us today for a private consultation.


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

Martin Investigative Services

(800) 577-1080 • (949) 644-2200

State License # PI 9077

Orange County, California offices:
Newport Beach: 620 Newport Center Drive, Suite 1030, Newport CA 92660 • Google MapYahoo Map
Mission Viejo: 25909 Pala, Suite 300, Mission Viejo CA 92691 • Google MapYahoo Map

Other office locations:
Los Angeles: 1880 Century Park East, Suite 618, Los Angeles CA 90067 • Google MapYahoo Map
San Diego: 302 Washington, Suite 247, San Diego CA 92103 • Google MapYahoo Map