top of page

About GDI

GDI Private Investigation Firm is based out of Northern Virginia. We focus on providing excellent services to attorneys, insurance companies, government agencies, corporate, small businesses, and personal clients with professional, confidential Investigations throughout the Washington, DC/Northern Virginia region and nationwide. Our firm specializes in surveillance to help gather evidence for clients to prepare their cases, and to help support State, Federal and local businesses, along with private clients, across the world.

GDI consistently strives for excellence by working closely with clients and meeting their investigative needs and ensuring that our time is spent conducting their cases in the most efficient and cost-effective way. In our community, it’s not just a case - GDI conceals our client’s information with care and considers them family.


Global Defense investigators have the experience and technology to work in an efficient matter. Our investigators come from various backgrounds and educational settings, with years of experience working on cases and conducting surveillance.

Our investigators will elevate our clients by providing them with the proper knowledge so they can understand their case or situation.

At GDI, our priority is our clients’ satisfaction. In doing so, we must uphold organizational integrity and build close, trusting relationships. If you would like to know more about our firm, send us an email or a message and we will get back to you at our earliest convenience.


When you just need to know...

call Global Defense Investigation

bottom of page