Lie Detector Tests

Male and female examiners / APA accredited

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

The UK's Largest Test Provider

Knightsbridge Detectives provide more lie detector tests than any other company in the UK. All Knightsbridge 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 020 3284 1002 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:
020 3284 1002

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 020 3284 1002.

Buy Your Test Online

Knightsbridge Detectives Case Manager waiting to take your call

Live Chat
Now Online

Service and Support: 020 3284 1002

Get Knightsbridge Detectives customer service and support on on Twitter

Get service and support

Get Knightsbridge Detectives customer service and support on Facebook

Get service and support

Email Us mail@knightsbridgedetectives.co.uk

We're Open: Monday - Saturday: 9am - 8pm

Follow Knightsbridge Detectives on Twitter

Find Knightsbridge Detectives on LinkedIn

View images from Knightsbridge Detectives on Instagram

Message Us

Thank you. Message sent.

Request a Callback in Urdu, Punjabi or Mirpuri

Click to Request Callback

Facebook

LocalPI

Twitter

Tweets by LocalPI_uk

Tweet to @LocalPI_uk

Follow @LocalPI_uk

Knightsbridge Detectives Blog

Want to be a Private Investigator?

Argus Europe - One of our recommended partners for Private Investigator training

Work for Us As a Private Investigator

Why Choose Knightsbridge Detectives?

Case Management Team

Knightsbridge Detectives experienced management team and highly skilled private investigators ensure that your case is carried out professionally and efficiently.

More About Knightsbridge Detectives

Try Our Cheat Detector Test

Knightsbridge 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?

View Knightsbridge Detectives FAQs

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

More Client Comments

About Knightsbridge

Knightsbridge Detectives have been operating in Knightsbridge and London Central for almost 20 years.

South of this area, Knightsbridge fades into Chelsea while Belgravia lies to the East and South Kensington to the West.
Knightsbridge is a road which gives its name to an exclusive district in central London.
Knightsbridge runs along the south side of Hyde Park, west from Hyde Park Corner, spanning the City of Westminster.
Knightsbridge comprises of the area south of Hyde Park, east of Exhibition Road and west of Sloane Street.
Brompton Road, Beauchamp Place and the western section of Pont Street serve roughly as Knightsbridges southern border.
Knightsbridge includes their adjacent gardens and squares such as Ovington Square, Lennox Gardens and Cadogan Square.
Knightsbridge is notable as an ultra-expensive residential area, and for the density of its upmarket retail outlets.
Knightsbridge is identified in the London Plan as one of two 'international centres' in London, alongside the West End.
Knightsbridge is leafy, especially considering its location at the heart of London.
Knightsbridge is home to many of the world's richest people, and has some of the highest property prices in the world.
In 2006, a four bedroomed apartment in Knightsbridge sold for over Â£25,000,000.
On street car parking spaces in Knightsbridge sell for Â£300,000 on a 94 year lease.
Knightsbridge is mostly made up of strictly controlled Conservation Areas and development land is difficult to find.
The principal landowners in Knightsbridge are the Duke of Westminster and Earl Cadogan.
Knightsbridge is adjacent to Inner London's largest public park, Hyde Park.
Knightsbridge is home to many expensive shops, including the department stores Harrods and Harvey Nichols.
Knightsbridge also has banks that cater for rich individuals (including Coutts, bankers to the Queen).

View All LocalPI Branches in the UK

Knightsbridge Detectives

Professional, efficient and discreet private investigator services in 158 UK cities, backed by an extensive UK network. Knightsbridge Detectives serve Knightsbridge and localities throughout London Central.

Professional Investigations, Surveillance and Intelligence acquisition. Knightsbridge Detectives provides a comprehensive range of services to suit private, commercial and legal clients. Specialists in the city of London, extensive knowledge allows our Investigators to conduct investigations discreetly and efficiently.