We are a licensed private investigation firm serving the San Francisco Bay Area specializing in legal investigations. We offer the unusual ability to combine street-level investigations with sophisticated database, technological and subject-specific resources to provide an outstanding variety of investigative services.

Some of our specialty areas include:

  • Legal Investigations:  personal injury; civil/probate; criminal defense; trial preparation;
  • Corporations/Business:  workplace investigations; fraud; background/due diligence investigations;
  • General Investigations:  background investigations; missing persons; Internet/Social Media investigations; mental health welfare; threat assessment;
  • Specialized Research & Investigations:  public records research; historical/ genealogical due diligence; science/technical; quantitative/statistical;


After six years investigation experience at a small firm specializing in employment, fraud, and legal investigations, Charles Pfister founded this business in 2001.  He has extensive experience in criminal and civil investigations, workplace death, harassment, and accident investigations, employment investigations, and researching individuals and organizations.  He previously was a journalist and environmental researcher publishing magazine and peer-reviewed articles.  He also has extensive experience as an educator with urban youth and youth at risk.