5 Stones intelligence (5Si) is a professional services company providing intelligence-led support to governments, corporations, law firms, financial institutions, and private organizations. Headquartered in Washington, D.C., and Miami, Florida, with offices worldwide, the company draws on a private human intelligence network and professionals with experience in federal law enforcement, intelligence, military operations, and the private sector. Its approach, described as “The Art of Intelligence,” combines disciplined collection, investigative tradecraft, technical capabilities, and analysis to turn information into actionable intelligence.

Services include intelligence and investigative work, financial investigations, asset capture, operational support, surveillance, litigation and law firm support, strategic advisory services, and security services for churches and synagogues. 5Si also offers training, including financial investigations training, artificial intelligence services for law enforcement, and project management office support. The company has served as a prime contractor on U.S. Department of Justice asset forfeiture investigative support programs and was selected by the U.S. Treasury Department for IRS Special Agent financial investigations training.