Expert Legal Investigations; Keystone Investigative Services is a boutique investigative firm offering specialized services to attorneys, insurance companies, the entertainment industry and select private clients. We specialize in complex litigation support. Our customized service allows clients to obtain the specific information that they need with a hands on approach to their investigation directives, depth of research and budget. With our years of professional experience and skilled expertise as well as our low overhead, we can offer our clients an exclusive product with unsurpassed value. CA License Number 26751.

15+ years combined experience doing legal research and writing for attorneys in insurance defense, personal injury, criminal, and employment law, and field investigations interviewing witnesses, obtaining statements, verifying facts, surveillance, reviewing evidence, performing background checks, information integrity, locating witnesses, trial preparation, and legal research.

Paramount Investigative Services is the "go-to" agency for law firms because of our advanced evidence gathering and recording techiques. As your firm's private investigator in Los Angeles, we will not only gather the evidence you need but also make sure this is done in a way that will stand up in a court of law.