Lie Detector Test Sheffield

Yes. The Centre for Forensic Neuroscience provides confidential polygraph examinations in Sheffield and throughout South Yorkshire. Every lie detector test is conducted personally by Dr Keith Ashcroft, and each case begins with a preliminary consultation to establish that the matter is appropriate for testing.

Examinations take place at neutral, professional meeting venues in Sheffield and across South Yorkshire. We select private, controlled environments such as business centres and meeting rooms. Following American Polygraph Association guidance, we do not carry out polygraph tests in domestic or residential settings.

Strict confidentiality is maintained throughout the entire process. Polygraph charts, results and written reports are disclosed only to the instructing party. The sole exception is where a legal or safeguarding duty requires information to be shared with relevant authorities. Full details are set out in our terms of business.

Yes. Solicitors, barristers and other legal professionals regularly instruct the Centre for Forensic Neuroscience. We conduct credibility assessments in criminal defence, civil litigation, family law and immigration proceedings. Firms based near Sheffield Crown Court and across South Yorkshire frequently engage our services. Dr Ashcroft is qualified as an Expert Witness and can provide court-ready reports.

Employers may request a polygraph examination where an employee is under investigation for a specific allegation, such as theft, fraud, data breach or serious misconduct. The examination must always be voluntary and the matter must be suitable for polygraph testing. We also provide pre-employment screening for organisations where trust and security are essential.

No. Every question that will appear on the polygraph test is discussed in detail and agreed with the examinee during the pre-test interview. There are no surprise or undisclosed questions at any point. The examination focuses on a single specific issue to maximise accuracy.

Yes. Every polygraph examination must be undertaken voluntarily. No individual should be coerced, pressured or threatened into taking a lie detector test. If we have any reason to believe that an examinee is attending under duress, the instruction will be declined immediately.

Polygraph examinations are designed to address specific, verifiable questions. Common areas include relationship and fidelity disputes, allegations of theft or fraud, workplace misconduct, criminal defence matters, therapeutic disclosure and post-conviction monitoring. The Centre assesses suitability during the initial consultation.

Matters that are vague, open-ended, or framed as general suspicions are unlikely to be suitable. Certain medical, psychological or neurological conditions may also affect eligibility. For a full breakdown of protocols, refer to our forensic glossary.

Yes. We arrange polygraph examinations throughout South Yorkshire, including Sheffield city centre, Rotherham, Barnsley and Doncaster. We also accept instructions from clients travelling from Chesterfield, Worksop, the Peak District and North Derbyshire. A suitable professional venue is arranged in or near your preferred location.

Fees for a lie detector test in Sheffield are quoted on an individual basis. The cost depends on the nature and complexity of the issue, venue arrangements, travel requirements and the level of reporting needed. A straightforward private examination will differ from a legally instructed or therapeutic matter.

A clear fee is always confirmed before any appointment is scheduled. To receive an estimate, please contact us with a brief outline of the matter.