Detectives in Fairfax, VA

Comprehensive list of private detective agencies and investigators servicing Fairfax, VA.

Business Listings

O'Connell & Associates. is a complete-service private investigations company that specializes in discreet, covert surveillance. Whether you need to confirm that your spouse is seeing someone, you are an insurance professional who seeks to confirm the legitimacy of a claim or for many other reasons you need to get to the truth.


Sexton Executive Security supplies; personal protection, private investigations and security consulting services to the business community and personal customers. Headquartered in the Washington D.C. metro area, we supply full coverage around the US and abroad. Our customers benefit in many ways.


E Coast Investigations. is a Professional Private Investigative company doing business in the whole state of Virginia for over 19 years. ECI's Private Investigators/Detectives specialize in all surveillance matters including divorce, infidelity, child custody, criminal and civil investigations, as well as serving the corporate community with background investigations and Undercover Operations.

  • I'm a business owner and have worked with East Coast Investigations, Inc. in the past.


INTERPROBE is a staff of well-trained investigators whose reputation is based upon solving difficult cases with a powerful mix of advanced technology and conventional investigative techniques. Experts in corporate and residential investigations, we've been providing the answers to your investigative challenges for over a decade.


Gray Wolf's Executive Protection and Investigations staff includes former law enforcement officers, rescue staff, state troopers, military staff, and government officials. Each staff member has specific skills, education, professional training, and proven field experience, all of which combine to make Gray Wolf a leader in the area of Executive Protection and Investigations.