For Relationship Issues

Infidelity Lie Detector Test

Private relationship polygraph testing for suspected cheating, hidden contact, broken trust or a specific relationship allegation.

Lie Detectors UK helps clients arrange confidential infidelity lie detector tests using clear, fact-based questions. The examination focuses on specific actions or events that can be answered directly, rather than feelings, emotions or assumptions.

Your enquiry, appointment details, result and written report are handled confidentially.

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Lie Detector Test
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Relationship Issues?

When an Infidelity Lie Detector Test May Help

A relationship lie detector test may be considered when a specific concern is damaging trust and conversation alone has not resolved the disagreement.

This may involve suspected cheating, hidden contact, disputed claims about the past or repeated accusations about a particular event.

The test is not designed to examine every part of a relationship or determine whether someone is generally faithful. It should focus on clear, factual questions about a defined issue.

An infidelity polygraph test can provide additional information about that concern, but it cannot guarantee reconciliation or determine what should happen to the relationship afterwards.

What Can an Infidelity Polygraph Test Examine?

The concern needs to be reduced to specific, testable behaviour. Depending on the circumstances, relevant questions may concern:

Why Choose Lie Detectors UK for an Infidelity Polygraph Test?

Lie Detector Tests Process

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How the Infidelity Lie Detector Test Works

All the questions will follow a strict professional format limited to three relevant questions on the issue in hand for maximum accuracy, ensuring confidentiality and sensitivity with respectfulness.
Initial Case Review

Before the appointment, you explain the relationship concern and what you want the test to address. The examiner reviews whether the issue can be examined through clear factual questions. If there are multiple issues, they may need to be narrowed so the test remains focused.

Pre-Test Interview and Consent

At the appointment, the examiner conducts a pre-test interview and explains the testing process. The agreed polygraph questions are reviewed with the person taking the test before the examination begins. The person must understand the process and give informed consent to participate. There are no surprise relevant questions during the test.

Polygraph Examination

The examiner conducts the polygraph exam using professional equipment. During the examination, the equipment records physiological responses while the person answers the agreed questions. These include breathing patterns, cardiovascular activity, blood pressure and changes in skin conductivity. The polygraph does not directly detect a lie. The recorded physiological data is assessed as part of the complete examination.

Data Analysis and Results

After testing, the examiner reviews and scores the recorded data using the appropriate procedure. The polygraph result comes from the complete examination rather than one answer or one physiological reaction. An inconclusive result is also possible and should not automatically be interpreted as evidence of truth or deception. The examiner explains the result after the examination, and a full written report is included, usually on the same day. Please allow around two hours for the complete appointment.

How the Test Questions Are Prepared

A professional relationship polygraph test depends heavily on the quality of the relevant test questions.

Where appropriate, a timeframe can also be used to make the question more precise.

A standard test will usually focus on up to three relevant questions. All relevant questions are reviewed before the examination, so the person being tested knows what will be asked.

Questions should be:

polygraph test
87% - 96%

Accuracy

Why Choose Lie Detectors UK for an Infidelity Polygraph Test?

Infidelity lie detector tests require careful handling because the questions often involve sensitive allegations about cheating, hidden communication, physical contact or sexual contact. Jason Hubble, Advanced Polygraph Examiner and Director of the UK Polygraph Association, leads Lie Detectors UK and works with experienced APA and UKPA accredited examiners. Jason is also an active member of the American Polygraph Association.

Each examination is structured around clear factual questions rather than arguments, assumptions or emotional wording. Your enquiry, appointment details, polygraph results and written report are handled confidentially.
Client Feedback

What Our Customers Say About Us

Clients often contact Lie Detectors UK during sensitive personal, relationship, or workplace situations. These reviews highlight the communication, professionalism, and care our clients experienced during the process.

Kate Fairs — Google Review, Maidstone
After years of being accused of cheating, I decided to take the test for my own peace of mind. Jason explained everything clearly, put me at ease and handled the situation professionally.
Lee Cutmore — Google Review, Maidstone
Jason was honest, sincere and professional. After discussing my situation, we agreed that taking the test was not in my best interests. That level of integrity was highly commendable.
Faith Jeffery — Google Review, Maidstone
Jason took the time to speak with both myself and my partner and made us feel genuinely supported. He explained everything clearly and showed real care for our situation.
Brittnie Wright — Google Review, Maidstone
Every email was answered quickly, politely and clearly. Jason explained the price, timings and what to expect, involved my partner in the process and made a nervous situation easier.
Lawrence Theresa — Google Review, Maidstone
I had reservations about taking a polygraph test, but everything was explained clearly and handled professionally. My boyfriend was involved in the process, which helped.
Connor Leach — Trustpilot Review
Professional, confidential and respectful service. Jason made a difficult situation easier and helped both parties understand the process.
Arnold — Trustpilot Review
The client arrived anxious, but Jason’s calm manner helped them relax. He listened carefully and helped make the questions clear, fair and relevant.

Ready to Arrange Your Lie Detector Test?

Book a confidential appointment with Lie Detectors UK and follow a clear process from enquiry to written report.

Related Lie Detector Test Services

Couples Polygraph Test

For couples who want to address a trust issue, disputed claim or repeated relationship concern through a structured polygraph examination.

Learn more about couples polygraph tests

At-Home Lie Detector Test

For clients who want a private relationship or infidelity lie detector test at home or another suitable location, depending on availability and arrangements.

Learn more about at-home lie detector tests

Private Lie Detector Test

For sensitive personal matters involving trust, honesty, private accusations or relationship concerns that need confidential handling.

Learn more about private lie detector tests

False Allegations Test

For situations where someone has been accused of cheating, hidden contact or another specific relationship issue they deny.

Learn more about false allegation lie detector tests

Things to know

Infidelity Lie Detector Test FAQ

No polygraph test is 100% accurate. Validated polygraph tests can achieve 87–97% accuracy when conducted correctly by a qualified examiner.

Accuracy depends on factors including the testing method, question structure and testing conditions. An inconclusive result is also possible.

Yes, provided the concern can be reduced to clear factual questions suitable for polygraph testing.

The examination may address a specific allegation involving cheating, hidden contact, physical contact, sexual contact or another defined action. It cannot determine whether someone has always been faithful throughout an entire relationship.

Yes. The person being tested must give informed consent before the polygraph examination can proceed.

The test should not be arranged secretly or used to force someone to participate. The examiner explains the process and reviews the questions before testing begins.

Yes. Clients often enquire because of suspicions, hidden communication or an unresolved relationship allegation.

The important question is whether the concern can be turned into specific factual questions. A polygraph should not be used to test vague feelings or general mistrust.

The examiner will confirm the appropriate arrangement.

The person taking the test normally needs a controlled, private setting during the polygraph examination without pressure, interruption or influence from another person.

Feeling nervous about an infidelity polygraph is common.

The examiner does not determine the result from one physiological response. The pre-test interview, question structure, recorded data and complete examination are considered when evaluating the result.

Any medical, emotional or practical circumstances that could affect whether testing is appropriate should be discussed before the appointment.

A relationship polygraph test can examine a specific allegation involving cheating, hidden contact or another action that the person denies.

The test should not be presented as guaranteed proof of innocence. Where responding to an accusation is the main purpose of the examination, the False Allegations Lie Detector Test may be more appropriate.

No. A lie detector test cannot guarantee that a relationship will recover.

It can provide additional information about a defined concern, but what happens afterwards depends on the people involved. It should not replace communication, counselling, legal advice or personal decision-making where those are needed.

The examiner explains the result after the examination and provides a written report.

The intended recipient should be agreed as part of the arrangements for the test. The enquiry, appointment details, result and report are handled confidentially.

Ready to Book an Infidelity or Relationship Polygraph Test?

If you are dealing with suspected cheating, hidden contact or a specific relationship allegation, Lie Detectors UK can review the concern and determine whether it is suitable for polygraph testing.