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Things to know

Selecting an Investigator

There are thousands of licensed investigators, but few have experience with employment law, employee misconduct, financial matters or forensic psychophysiological detection of deception. Certified Fraud Examiners (CFE) may have some experience with financial matters but may lack experience with employment or investigative techniques and interviewing.

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Selecting a Polygraph Examiner

At Professional Litigation & Polygraph Services, LLC, we provide our clients with results at a fair price utilizing legal and accepted ethical practices and conduct.

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Best Practices


Professional Litigation & Polygraph Services, LLC is a full service Investigative & Polygraph agency. Professional Litigation & Polygraph Services, LLC specializes in providing professional Investigative services such as Polygraph (lie detection) Testing, Criminal, Commercial and Insurance based Investigation Services. Upon request we provide cursory and in depth employment and personal background searches, evidentiary review, in-depth interviews and claims review.

We are able to conveniently service our clients from the mountains to the coast, with minimal travel and expense.


Service Areas

We currently provide polygraph, investigative and consulting services in:

  • Maine
  • New Hampshire
  • Vermont
  • Massachusetts
  • Connecticut
  • Rhode Island
  • New York