At
Diligence Investigations, Inc., we are committed to delivering top-tier private investigation services across
South Florida and beyond. As a fully licensed and insured agency, we bring expertise, discretion, and a results-driven approach to every case—no matter the size or complexity.
A Legacy of Excellence
Founded and operated by
Matthew and Chris Ghandour, a dedicated father-and-son team,
Diligence Investigations is built on decades of experience and an unwavering commitment to uncovering the truth.
- Matthew Ghandour, a second-generation private investigator, grew up immersed in the world of surveillance and investigative work. From an early age, his natural curiosity evolved into a sharp investigative skillset, honed through years of hands-on experience. Today, he serves as the agency’s CEO, leading operations with precision and expertise.
- Chris Ghandour, a licensed investigator since 2001, oversees the firm’s daily operations. With active licenses in Florida and California, Chris brings a wealth of knowledge and strategic insight to the agency’s investigative practices.
Trusted Experts in Surveillance & Complex Cases
Respected throughout the
private investigation industry, the Ghandours and their team specialize in
surveillance, family law investigations, and high-stakes corporate cases. What sets
Diligence Investigations apart is our ability to develop
unique, strategic approaches tailored to each case—ensuring we secure the crucial information our clients need.
Our expertise extends beyond traditional investigations, covering areas such as:
- Threat Assessment & Workplace Violence
- Embezzlement & Theft Investigations
- Stolen Cargo Recovery & Cold Case Resolutions
- Locating Missing Persons
Global Reach, Local Expertise
While we are based in
South Florida, our investigative reach extends far beyond state lines.
Diligence Investigations has the capability to assist with cases in
Mexico, Latin America, Europe, and the Middle East, leveraging an extensive network of international resources to support complex investigations worldwide.
When discretion, diligence, and expertise matter,
Diligence Investigations is the trusted choice.
