Investigative Group

Investigative Group International (IGI) is a premier investigative firm that has been serving clients for over three decades. Our team of experts is comprised of former prosecutors, researchers, analysts, and investigators who come from a variety of backgrounds, including the White House, federal law enforcement, intelligence agencies, the financial services industry, and journalism.

Our History

Founded in 1984 by renowned attorney Terry F. Lenzner, IGI has established itself as a leader in the industry, providing expert fact-finding, risk assessment, and advisory services for complex and high-stakes situations. Over the years, IGI has expanded its presence and client base throughout the United States and abroad, while maintaining its commitment to upholding the highest ethical standards.

Our Services

IGI offers a wide range of services, including:

AML Compliance: Expert advice and support for anti-money laundering compliance.

Antitrust Investigations: Proactive and reactive investigations into alleged antitrust violations.

Asset Searches: In-depth research and analysis to locate and verify assets.

Business Dispute Investigations: Expert assistance in resolving commercial disputes.

College and University Investigative Services: Confidential investigations for educational institutions.

Competitive and Regulatory Intelligence: Real-time analysis and intelligence gathering.

Compliance: Expert guidance and support for regulatory compliance.

Contests for Corporate Control: Expert analysis and support for corporate control disputes.

Crisis Communications Support: Critical communications assistance during times of crisis.

Due Diligence for Investments, Mergers, and Acquisitions: Comprehensive due diligence services.

Executive and Board Member Vetting and Pre-Employment Background Checks: Thorough background checks and vetting services.

Expert Witness Profiles and Vetting: Expert testimony and witness vetting services.

Fact Witness Investigations: Objective fact-finding services.

FCPA Due Diligence: In-depth analysis and reporting on Foreign Corrupt Practices Act compliance.

FCPA Investigations: Expert investigative services for Foreign Corrupt Practices Act investigations.

Fraud Investigations: Deterrent and proactive measures to prevent fraud.

Intellectual Property and Anti-Piracy Investigations: Protection and enforcement of intellectual property rights.

Internal Investigations: Confidential and impartial investigations for corporate or government entities.

Leak and Unauthorized Disclosure Investigations: Expert assistance in identifying and containing internal leaks.

Litigation Support: Comprehensive support services for legal proceedings.

Online Threat and Disparagement Mitigation: Expert guidance and support for online reputation management.

Political Candidate and Campaign Research: Objective research and analysis for political campaigns.

Political Nominee and Appointee Services: Expert vetting and research services for political appointments.

Reputation Defense: Critical defense of reputations in high-stakes situations.

Sports League, Team, and Player Specialized Investigative Services: Confidential investigations for sports organizations.

Supply Chain Integrity Vetting: Comprehensive vetting services for supply chain operations.

At IGI, we pride ourselves on delivering exceptional results, leveraging our expertise, and upholding the highest ethical standards. Our team of experts is dedicated to providing unwavering support to our clients, helping them navigate complex situations and achieve their goals.