Los Angeles private investigator Tristar Investigation is a full-service detective agency helping clients worldwide with investigative needs in California and throughout the U.S. For over 30 years we have served the legal, insurance and business communities, as well as private parties.

We’re a member of the National Association of Legal Investigators, the California Association of Licensed Investigators and the National Council of Investigation and Security Services.

Our investigators are well trained seasoned professionals averaging six years experience. Many are ex-law enforcement. They have the experience, resources and professional pride that guarantees the best possible outcome for your investigation.

Our founder, Bruce Robertson, has become an established leader in the profession, earning the respect of experts and journalists worldwide. He has been a featured lecturer on investigative matters for the California Consumer Attorneys Association Continuing Education seminars series. He is often called upon to lend expertise and insight to current events. He has appeared on numerous Los Angeles area TV and radio programs, network television such as CNN, MSNBC, CNBC. He has been quoted in print publications ranging from U.S. News & World Report to George magazine and Ladies Home Journal. Tristar In The News.

Tristar Investigation is a California licensed private investigator headquartered in Los Angeles. Our Business License is #28433. We are bonded and insured for $2,000,000.