Investigative Group International (IGI) is the premier investigative firm conducting independent, high-touch investigations worldwide. Based in Washington, DC, IGI has for more than 40 years uncovered, scrutinized, and rigorously verified facts when narratives conflict, information is obscured, matters are complex, and stakes are high. Senior investigators and attorneys lead every engagement with relentless curiosity, combining human intelligence, and disciplined quality control. Objective and free from bias, IGI follows the facts wherever they lead, delivering defensible work product that withstands challenge and empowers clients to act with confidence, credibility, and accountability.
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IGI Questions
The IGI annual revenue was $5 million in 2026.
Douglas Graham is the Senior Executive Vice President of IGI.
32 people are employed at IGI.
IGI is based in Washington, District of Columbia.
The NAICS codes for IGI are [56, 561].
The SIC codes for IGI are [73, 738].
Top IGI Employees
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Douglas Graham
Senior Executive Vice President at IGI
Washington, DC, US1 -
Doug Williams
President at IGI
Metairie, LA, US21 -
Vivek Jain
Executive Vice President and General Counsel at IGI
Washington, DC, US32 -
Gabriel Kader
Managing Director at IGI
Washington, DC, US11 -
Rina Aaron
Director of Research at IGI
Washington, DC, US24 -
Ann Keating
Managing Director at IGI
Salem, MA, US12 -
Larry Potts
Executive Vice President at IGI
Washington, District of Columbia, United States -
Dustin Kahlson
Director of Finance and Administration at IGI
Washington, DC, US33 -
Aidan Clark
Senior Research Associate at IGI
Washington, DC, US1 -
Gabi Teo
Chief Executive Officer at IGI
Brașov, BV, RO
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