IGI - Investigative Group International



  • Organization TypeService Providers
  • HeadquartersUnited States
  • Founded1984
Founded by former Senate Watergate Committee counsel Terry F. Lenzner in 1984, IGI is a preeminent risk advisory and corporate investigations firm with core specialties in internal investigations, regulatory and competitive intelligence, due diligence, executive background investigations, and litigation support. By combining seasoned attorneys with sophisticated analysts, investigators, accountants, and public relations specialists, we provide our clients with unparalleled strategic counsel and technical expertise. Whether for a Fortune 500 company, Ivy League university, investment firm, or a prominent political figure or entertainer, we help clients solve complex problems, mitigate risk, navigate a developing crisis, and prevail in adversarial situations.

Contact IGI - Investigative Group International

Company Offices
  • United States (headquarters)
  • Washington, D.C.
  • 815 Connecticut Avenue NW Suite 730