About Us

San Gabriel Valley Polygraph only uses validated and reliable techniques approved by both American Polygraph Association and the California Association of Polygraph Examiners. 

SGV Polygraph is a member of the Amererican Polygraph Association, California Association of Polygraph Examiners and the National Polygraph Association.

We continue to attend mandatory training while complying with standards and practices outlined by the above professional organizations.

SGV Polygraph carries insurance and has no pending lawsuits or ethical violations since our inception.