Northern Virginia Pre-Employment and Polygraph Services is a company with 90 years of collective professional law enforcement and polygraph exam experience. Our examiners are clinically certified and have had countless hours of professional education and administered a myriad of polygraph tests in many diverse areas. we specialize in post-conviction sex offender, domestic violence perpetrator and internal affairs testing. We are utilized by numerous police/fire departments, executive and local security firms in Northern Virginia. Let our high standard and continued excellence speak for itself. Call today to schedule a test or to answer any question you may have.