About Marshall Investigative Group
Marshall Investigative Group, division of Sphere Investigations, is a recognized leader in fraud and corporate investigations with more than 30 years of experience across North America. We deliver comprehensive, end-to-end investigative solutions by combining advanced technology, deep industry expertise, and a highly skilled network of private investigators. Our services are designed to provide clients with accurate, timely, and actionable intelligence—whether establishing proper reserves, documenting claimant activity, or supporting complex corporate inquiries. We pride ourselves on exceeding expectations through thorough reporting, rapid turnaround, and unwavering attention to detail. At Marshall Investigative Group, integrity, confidentiality, and productivity are at the core of everything we do. Our commitment to excellence is driven by our exceptional talent and our ability to operate seamlessly across geographies. Headquartered in Chicago, Illinois, with regional offices in North Carolina, Atlanta, Colorado, Arizona, and New York, we deliver results anytime, anywhere. As part of Sphere Investigations, a leading fraud and corporate investigations platform, we offer both field and desktop investigative services backed by broad geographic coverage, a full suite of capabilities, and specialized expertise. Sphere Investigations is funded by Mangrove Equity Partners and Sunlake Capital Partners, with a mission to provide premium investigative services and exceptional client satisfaction. Learn more at www.sphereinvestigations.com
