Lie Detector Tests

Lie Detector Tests

Male and female examiners / APA accredited

Established in 1999, Preston Detectives are the UK's leading polygraph provider. Tests to US standards. APA & AAPP accredited.

The UK's Largest Test Provider

Preston Detectives provide more lie detector tests than any other company in the UK. All Preston Detectives examiners are trained to the highest standard at the New England Polygraph Institute in the United States.

About Your Test

  • The test covers 3 questions which is the industry standard
  • Each test takes on average 2 hours
  • The examinee will be on their own for the entire examination
  • The examinee can be escorted to the examination
  • The result is available immediately after the test
  • Your report will be posted or emailed within 48 hours

Complete Our Questionnaire

All examinees are required to take a short safe guarding questionnaire, either online or over the phone on 01772 837 947 with one of our Case Managers, to ensure they are able to proceed with the test. Please be aware that during busy periods test slots are filled very quickly

Complete safe guarding questionnaire online.

Contact Us

Still not sure? Then contact one of our Case Managers today with any questions you might have.

For Free Advice Phone:
01772 837 947

To complete your safe guarding questionnaire over the phone with a Case Manager or to find out more information on taking a lie detector test, call today on 01772 837 947.

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  • Listed in Your Local Yellow Pages
  • Associate Members of the American Association of Police Polygraphists
  • Members of the American Polygraph Association
  • Now Accepting All Popular Forms of Payment
  • Insured with HENSURE
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Why Choose Preston Detectives?

  • Case Management Team
    Preston Detectives experienced management team and highly skilled private investigators ensure that your case is carried out professionally and efficiently.

Preston Detectives FAQ

  • To hire your company is more expensive than some others that I have seen. Why is that?
  • How Much is it to Hire a PI?
  • What types of expenses will I be charged for?
  • What kinds of expenses will I be required to pay?
  • Why are you more expensive than some private investigation companies?

Nationwide Client Comments

  • Durham Detectives did a really thorough job, providing me with high quality photographic evidence and even DVD footage. They left no stone unturned, to get the...
    Bob, Co. Durham
  • I was pleasantly surprised to find Newcastle Detectives not only the most competitive in price, but second to none when it came to customer service. Top marks...
    Geoff, Newcastle
  • My daughter moved out after an argument with myself and my new partner. I didn’t hear from her for months. I thought, given time, she would get in touch again...
    Val, Whitley Bay
  • I just wanted to know what my partner was doing online every night. He said it was work, but he was staying up into the early hours of the morning, even at...
    Lynsey, South Shields
  • I really wanted a female private investigator to carry out the surveillance I needed doing. Durham Detectives provided one without hesitation. Their case...
    Pat, Durham

About Preston

Preston Detectives have been operating in Preston and the North West for almost 20 years.

  • Preston was granted city status in 2002, becoming England's 50th city in the 50th year of Queen Elizabeth II's reign.
  • Preston is a city and non-metropolitan district in Lancashire, England.
  • Preston is located on the north bank of the River Ribble
  • Preston has a population of 131,900.
  • Preston and its surroundings have provided evidence of ancient Roman activity in the area.
  • Preston is the seat of Lancashire County Council.
  • Preston now has a modern city centre.
  • Preston was one of only a few industrial towns in Lancashire to have a functioning corporation in 1835.
  • Preston lies in the Roman Catholic Diocese of Lancaster and the Anglican Diocese of Blackburn.
  • Preston was the location of the world's first foreign mission of the Church of Jesus Christ of Latter Day Saints.
  • Preston also has a significant Muslim (Sunni Branch, particularly Hanafi school) population.

Preston Detectives

Professional, efficient and discreet private investigator services in 158 UK cities, backed by an extensive UK network. Preston Detectives serve Preston and localities throughout the North West.

Private Investigations carried out to the highest standards with complete integrity. Preston Detectives have been conducting surveillance, making discreet enquires and locating missing persons in Preston and the North West since 1999.




Preston Detectives - 95% Success Rate, 100% Legal

If you have any questions about our private investigations services in Preston, or private detective packages, then don't hesitate to call our friendly team on 01772 837 947 or contact us via the website.

Preston Detectives - The No1 Detective Agency in Preston

Serving Preston, Blackburn, Manchester, Oldham and all areas in and around the North West