Our Mission and Core Values

At Lie Detector UK, our purpose goes beyond examination — we exist to restore clarity, rebuild trust, and uncover the truth when it matters most. Every test is conducted with precision, empathy, and absolute respect for confidentiality.

Truth Through Science

Using advanced polygraph technology and scientifically validated methodologies, we consistently achieve accuracy rates exceeding 95%. Our accredited examiners undergo continuous professional training to ensure every result is reliable, impartial, and defensible in any setting.

Uncompromising Confidentiality

Your privacy is our highest priority. All examinations are carried out in secure, private offices under strict data protection protocols. No personal information is ever shared or disclosed without your explicit written consent.

Ethical Standards Without Exception

We uphold the professional codes of the British Polygraph Society (BPS) and the American Polygraph Association (APA), maintaining the highest ethical and procedural standards. Integrity, neutrality, and respect for truth define every aspect of our work.

Empathy and Professional Care

We recognise that seeking the truth often comes during difficult times. Our examiners provide a calm, supportive, and non-judgemental environment — guiding each client through the process with dignity and understanding.

ABOUT US

At Lie Detector UK, we are proud to be a team of 8 highly trained and professional polygraph examiners, accredited by the British Polygraph Society. Our dedicated team is committed to providing reliable and confidential lie detection services across the UK.

✅ We offer mobile polygraph services, bringing the power of truth verification directly to you. Whether you’re in London, Manchester, Birmingham, Edinburgh, or any other major city or town, we cover all regions of the UK to ensure your needs are met.

🎯 With a focus on accuracy, professionalism, and discretion, our accredited examiners conduct thorough, precise polygraph tests, adhering to the highest industry standards. Trust Lie Detector UK for all your lie detection requirements, and experience the confidence that comes with working with certified experts.

👨‍⚖️ Marc Bester, the esteemed Chairman and Director of the British Polygraph Society (BPS), plays a pivotal role in maintaining the highest standards of polygraph examination services in the UK. As a leading expert in the field, Marc Bester is known for his exceptional dedication to delivering accurate and reliable polygraph results. He oversees all examinations conducted by our elite team of professional examiners, ensuring that each case receives the utmost attention and care.

MARC BESTER – INTERNATIONALLY ACCREDITED POLYGRAPH EXPERT WITH GLOBAL AFFILIATIONS

Marc Bester is a distinguished examiner in the field of psychophysiological credibility assessment, with over a decade of experience conducting polygraph tests across multiple jurisdictions. His extensive network of affiliations with leading national and international bodies reflects not only his professional standing but also his commitment to ethical, scientific, and legal excellence in the application of polygraph science.

Each organisation Marc is affiliated with plays a critical role in advancing the credibility, regulation, and integrity of polygraph examinations worldwide:

• 🇬🇧 BRITISH POLYGRAPH SOCIETY (BPS) – DIRECTOR

  As a Director of the British Polygraph Society, Marc helps lead the UK’s original and most respected professional polygraph association…

• 🇺🇸 AMERICAN POLYGRAPH ASSOCIATION (APA) – INTERNATIONAL MEMBER

  Marc holds membership in the American Polygraph Association, the world’s most influential and authoritative polygraph organisation…

• 🌍 WORLDWIDE UMBRELLA BODY OF POLYGRAPH – GLOBAL INTEGRITY STANDARDS

  Represents a coalition of examiners and institutions committed to maintaining integrity across borders…

• 🌐 INTERNATIONAL SOCIETY OF POLYGRAPH EXAMINERS (ISOPE) – ETHICAL GLOBAL PRACTICE

  Promoting ongoing research, ethical conduct, and examiner accountability…

• 🌍 SOUTHERN AFRICAN PROFESSIONAL POLYGRAPH ASSOCIATION (SAPFED) – CROSS-CONTINENTAL COLLABORATION

  A regulatory body supporting examiners across Southern Africa…

• 🕵️‍♂️ ASSOCIATION OF CERTIFIED FRAUD EXAMINERS (ACFE) – SPECIALIST IN FRAUD DETECTION

  The world’s largest anti-fraud organisation, adding investigative strength to Marc’s credentials…

• 🇪🇺 EUROPEAN POLYGRAPH ASSOCIATION (EPA) – UPHOLDING STANDARDS ACROSS EUROPE

  Supporting examiner development and scientific publication in Europe…

• 🔐 INFORMATION COMMISSIONER’S OFFICE (ICO) – UK DATA PROTECTION COMPLIANCE

  Registered under reference ZB150442, ensuring GDPR compliance for all client data…

• 🎓 PEAK CREDIBILITY ASSESSMENT CENTER – USA – ADVANCED TRAINING & PCSOT CERTIFICATION

  Completed APA-accredited training and advanced CE at one of the world’s most recognised polygraph academies…

📊 At Lie Detector UK, every polygraph examination is conducted in strict accordance with internationally recognized protocols…

🧠 Each test is individually tailored to address the specific concerns of the client, with a focus on accuracy, professionalism, and confidentiality. We limit each examination to a maximum of three carefully formulated relevant questions, ensuring the highest standards of clarity and reliability.

🤝 Our approach is client-focused and truth-driven. From start to finish, your case is handled with discretion, empathy, and full transparency. All of our examiners are accredited members of both the American Polygraph Association and the British Polygraph Society.

💻 We utilize the latest computerized polygraph instruments and advanced analytical techniques to deliver industry-leading accuracy rates. Unlike impersonal agencies or call centers, we are an independent team with dedicated office locations, offering clear, fixed pricing with no hidden fees.

📞 Contact us today to discuss your case, and discover why we’re trusted by individuals, families, and professionals across the UK. Our high client satisfaction rate speaks for itself.

At Lie Detector UK, we believe that we are the best provider of lie detector services in the country. We have a long history of providing reliable and accurate results to our clients, and we continue to strive for excellence in every aspect of our business.

Our team of experts is dedicated to providing the best possible service to our clients. We use only the highest-quality equipment and adhere to strict standards when it comes to testing procedures. Our tests are conducted by highly experienced professionals who are well-versed in the art of detecting lies.

We provide our service in different cases, such as relationship infidelity, proof of innocence, employee pre-test, etc. We believe that our exceptional service is what sets us apart from our competitors. If you’re looking for reliable and accurate lie-detection services, then we are the company you need to contact!

Extensive Experience in Investigative Interviewing and Polygraph Examination

At Lie Detector UK, our team of examiners and trainers brings years of experience in uncovering deception through investigative interviewing and polygraph testing. Trained by internationally recognized experts and organizations, our professionals uphold the highest standards of integrity and professionalism in every examination.

Accredited by the American Polygraph Association

Our commitment to excellence is validated by the American Polygraph Association, the world’s leading authority in polygraph science. This accreditation ensures our clients receive reliable services conducted under the strictest professional standards.

Ongoing Professional Development

We believe that expertise requires continuous growth. All of our examiners participate in regular professional development courses, ensuring they remain at the forefront of the latest techniques and best practices. This dedication guarantees accurate results and top-tier service for every client.

Polygraph Testing Across the UK and Europe

As the largest polygraph provider in the UK, we offer comprehensive testing services across the country and Europe. With dedicated offices and accredited professionals, we are committed to delivering the highest quality of service wherever our clients need us.

Convenient Locations and Flexible Testing Options

We know convenience matters. Our dedicated offices are located in major cities, including London, Birmingham, Glasgow, Liverpool, Leeds, Sheffield, Edinburgh, Bristol, Manchester, Leicester, Coventry, Bradford, Cardiff, Belfast, Nottingham, Kingston upon Hull, Newcastle upon Tyne, Stoke-on-Trent, Southampton, and Derby. If these locations aren’t suitable, we can arrange testing in professional Regus offices nationwide or conduct tests at your home or business if appropriate.

For home visits, we prioritize discretion—examiners travel in unmarked vehicles and dress in smart casual attire without logos, ensuring complete confidentiality.

Cutting-Edge Technology for Accurate Results

Our polygraph tests utilize the latest computerized systems, offering real-time analysis for precise and scientifically validated results. This advanced technology enhances the accuracy and reliability of every examination we conduct.

Tailored Services for Every Client

Every situation is unique, and so is our approach. We take the time to understand your specific needs and provide personalized solutions that deliver the answers you’re looking for. Our goal is 100% client satisfaction, backed by high-quality service and expert care.

Transparent and Competitive Pricing

We believe in clear, all-inclusive pricing. Our fees include comprehensive reports with verified analyses. For clients needing multiple tests, we offer discounted rates and flexible location options to meet your needs without compromising on quality.

Comprehensive Testing Services

From infidelity and relationship concerns to theft investigations, employee screening, and business disputes, we cover a wide range of testing services. Our experienced examiners can develop customized testing plans tailored to your specific circumstances.

Multilingual Examiners for Clear Communication

We understand that clear communication is essential. Our team includes examiners fluent in English, Spanish, Polish, Ukrainian, French, and German, ensuring clients feel comfortable and understood throughout the testing process.

Flexible Scheduling with Rapid Results

Time matters, and we’re here to help. We offer flexible scheduling, including last-minute bookings, and deliver results within 24-48 hours. Our efficient process ensures you get the answers you need, when you need them.

Discreet, Professional Services

Privacy is our priority. Whether at our offices or during home visits, our examiners maintain complete discretion. We use unmarked vehicles and professional attire to protect your confidentiality at every step.

Detailed Reports and Expert Analysis

Each test comes with a comprehensive report that includes questions asked, physiological responses recorded, and expert analysis of the results. Our use of advanced computerized systems ensures real-time analysis for maximum accuracy.

Expert Witness Services for Legal Cases

Need expert testimony? Our seasoned examiners are available for court appearances, providing credible polygraph evidence to support your case. With our expertise, you can trust the reliability and accuracy of every result.