Northern Virginia’s Attorney-Preferred Private Investigators
INTERPROBE has delivered discreet surveillance and investigative solutions across Northern Virginia for over 30 years. Our core specialties are surveillance, background investigations, and missing persons investigations—handled by licensed, experienced, and court-tested investigators trusted by hundreds of attorneys and more than 12,500 clients. Whether you are dealing with a personal matter or a business dispute, we gather the evidence you need to make informed decisions and act with confidence.
In business matters, losses are measured in dollars. In our personal lives, the cost can be far greater—and impossible to quantify. The intelligence we produce can help limit losses, reduce risk, and replace uncertainty with facts. When suspicion and reality collide—and you need answers you can prove—call us at 703-385-0336 for a free, confidential consultation.
Last updated: August 2026
Great results by these investigators. They are accurate, ethical, and very persuasive in court.
Oakton, VA
703-938-5708
They made a case against my client and I decided I better get them on my side for the future. I have used them ever since.
Gabeler, Battocchi & Powell, P.C.
McLean, Virginia 22101
703-790-5244
After more than 50 years of heading one of the first and most recognized P.I. Firms in the Washington, D.C. Metro area, without reservation I can say that INTERPROBE was our first choice for contract surveillance and technical investigative services…
Council of International Investigators (past President)
Private Investigators Association of Virginia (Founder & 1st President)
703-360-4848
INTERPROBE is a stealthy surveillance team with great support personnel. They have delivered excellent surveillance service on sensitive domestic and international matters on numerous occasions.
SR. VP. Intl. Business – Risk Management
SAIC SCIENCE APPLICATIONS INTERNATIONAL CORP.
Extremely pleased with the results of INTERPROBE’s work for years.
Fairfax, VA
703-385-3858
My go-to investigators for more than 15 years; prior to receiving my judgeship.
COUNTY CIRCUIT COURT
Arlington, VA
…Ultimately, all of our cases requiring surveillance or a technical touch were referred to them. We depended on their capabilities and appreciated their reliability and fairness for more than 20 years.
Council of International Investigators (past President)
Private Investigators Association of Virginia (Founder & 1st President)
703-360-4848
I consider INTERPROBE my east coast ‘office.’ They have been an asset for surveillance and technical countermeasures for our firm for more than 15 years. Their support on cross-national cases and assignments unique to the Washington, DC area is highly valued.
AMERICAN INVESTIGATIVE BUREAU – GLOBAL
San Diego, California
714-832-9850
FEATURED FACT SHEET
Infidelity & Spousal Surveillance Northern Virginia | INTERPROBE
INTERPROBE's licensed investigators conduct discreet spousal and infidelity surveillance in Virginia. Court-admissible evidence trusted by family law attorneys for 30+ years.
