Investigative research you can trust

Greenberg Corporate Intelligence offers premium intelligence services that support attorneys, private equity firms, hedge funds, and compliance teams.

GCI’s competitive edge comes from the experience, track record, and dedication of its team, which is led by founder and president Dan Greenberg, CFE.

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Insights Beyond Public Records

GCI combines human intelligence (HUMINT) with rigorous public records analysis and advanced open-source intelligence (OSINT) to produce original research that is actionable and reliable.

HUMINT inquiries provide essential insights that cannot be obtained through online research alone, and our results go far beyond what is typically found in standard public records reports. Learn more about our approach.