Your Trusted in San Bernardino County

Spectrum Polygraph Services offers professional and confidential polygraph (Lie Detector) examinations throughout San Bernardino County. We provide in-office or mobile services to meet your needs throughout the region.

Whether it’s relationship issues, legal concerns, or employment screenings, we are here to help.

A concerned couple sitting on a couch, looking at each other with worried expressions, suggesting relationship issues that a polygraph exam could help resolve.

Infidelity & Relationship Polygraph Tests

Address trust concerns and infidelity suspicions with our discreet and professional relationship polygraph examinations, providing clarity and peace of mind.

A gavel and law books on a desk, symbolizing legal proceedings where polygraph evidence might be relevant.

Legal & Civil Matters Polygraph Exams

Support your investigation with our certified polygraph examinations.

A person in a business suit shaking hands with another person, representing employment screening and background checks.

Pre-Employment & Integrity Screenings

Ensure a trustworthy workforce with our pre-employment and periodic polygraph screenings, designed to detect potential risks and maintain workplace integrity.

A person looking stressed and anxious, representing the emotional distress that can be caused by false accusations.

Specific Issue Polygraph Exams

Clear your name and restore your reputation with our specialized polygraph examinations, designed to prove your innocence in the face of false accusations.

Polygraph (Lie Detector) Exams in:

San Bernardino
Fontana
Ontario
Rancho Cucamonga
Chino
Upland
Highland
Colton
Yucaipa
Montclair