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Lie Detector Testing

Our lie detector tests are available worldwide. It’s easy to contact us and get fast, high-quality results.
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Who We Are and Where to Take a Lie Detector Test

HelpToCheck is an international company providing polygraph testing services with over 12 years of experience: HR screening, employee vetting, forensic psychophysiological examinations, and private testing. You can take a polygraph test in over 40 countries across Europe, Asia, and the Americas—with in-person sessions available in Warsaw, Berlin, Dubai, Kyiv, Almaty, Budapest, and other cities, as well as an online option for any country. The test is voluntary; the method has an accuracy rate of 95–98%; each session lasts 1.5–3 hours; and a written report is provided within 1–3 business days. Cost: from 95 USDT (Ukraine) to 550 USDT (U.S.); online: 205 USDT. Free consultation by phone: +380988087755 or via email: contact@helptocheck.com

Our Advantages

иконка опыт

Experience

Our specialists have many years of experience in the field of printing inspections, ensuring a high level of testing accuracy.

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Qualifications

We use only certified, state-of-the-art equipment and analytical methods to monitor reactions as accurately as possible.

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Privacy

We guarantee complete confidentiality and the protection of our clients' personal data.

Проверка на полиграфе: профессиональные услуги детектора лжи

HelpToCheck provides professional polygraph services in more than 40 countries around the world. Our certified polygraph examiners conduct lie detector tests for businesses and individuals, helping them make informed decisions in complex situations. Over more than 12 years of operation, we have conducted thousands of successful tests, confirming our reputation as a reliable partner in matters of security and trust.

Each test is conducted using certified, state-of-the-art equipment. We guarantee complete confidentiality, a personalized approach to each client, and a detailed report with recommendations based on the test results. To schedule a polygraph test or receive a free consultation, please contact us in any way that is convenient for you.

Learn more about our services:

Кадровый скрининг

Recruitment Screening

Assessing candidates to determine whether their professional skills meet the required criteria.

Плановая проверка работников

Scheduled Employee Review

Detecting collusion and theft, and preventing the disclosure of trade secrets.

Тестирование уволенного персонала

Testing of Dismissed Employees

Verifying the intentions of terminated employees to prevent the disclosure of confidential business information.

Служебное расследование

Internal Investigation

Conducting an internal investigation in cases of theft, illegal activity, collusion, or fraud.

Проверка будущих бизнес-партнеров

Vetting Prospective Business Partners

To ensure that a prospective business transaction is not questionable or risky.

Проверка работников HR

Identifying Information Leaks

Identifying unauthorized disclosure of information or instances of employee fraud.

A lie detector can help you navigate a variety of life situations, and our polygraph examiners will give you confidence that your decisions are the right ones. Discovering the truth, making the right decision, or proving you’re right—all of this is possible thanks to our polygraph tests.

Schedule a polygraph test

We offer professional polygraph testing, which is available in a variety of languages in countries around the world. Please fill out the form with your contact information, and one of our representatives will contact you to schedule a free consultation.

Phone: 0988087755

Telegram: t.me/helptocheck

Email: contact@helptocheck.com

Main Branch: Złota 59, 00-120 Warsaw, Poland

Hours: Mon–Fri: 9:00 a.m.–8:00 p.m., Sat–Sun: Closed







    When is a polygraph test required?

    Lie detector testing is used in a wide variety of personal and business situations. Below is a list of the most common reasons our clients seek the services of a polygraph examiner:

    • Infidelity testing—a polygraph exam when a partner is suspected of being unfaithful provides objective data instead of endless doubts and speculation. This is one of the most in-demand services among private clients.
    • Employee screening — checking candidates during the hiring process helps ensure the accuracy of resumes, the absence of a criminal history, and the absence of a propensity for fraud
    • Routine employee screening — regular testing of employees helps identify collusion, theft, leaks of trade secrets, and other violations before they cause serious damage
    • Forensic examination — a certified forensic expert conducts a polygraph examination and provides a report that is accepted by courts as evidence
    • Internal Investigations — In cases of theft, fraud, collusion, or the disclosure of confidential information to competitors, the polygraph helps quickly identify the culprits
    • Vetting business partners — Before closing a major deal or launching a joint project, ensure your partner’s honesty and reliability
    • Family conflicts — A lie detector helps resolve disputes among relatives related to finances, inheritance, or trust

    Need a test? Contact us!

    Free consultation—we’ll help you choose the best testing format

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    How does a lie detector work?

    A lie detector (polygraph) is a device that simultaneously records several physiological parameters of a person while they answer questions. Modern polygraphs record up to 50 parameters, including:
    • Breathing rate and depth (chest and abdominal)
    • Skin electrical activity (galvanic skin response)
    • Blood pressure and heart rate
    • Body micro-movements and tremors
    • Changes in vocal characteristics
    The principle behind the test is that when a person attempts to lie, the body involuntarily reacts with changes in physiological parameters. These reactions cannot be consciously controlled, which is why polygraph results are 95–99% accurate when administered by an experienced specialist.

    Stages of a Polygraph Test

    A polygraph examination consists of several clearly defined stages. Each stage is important for obtaining a reliable result:
    Stage Description Duration
    1. Preliminary Consultation Discussion of the situation with the polygraph examiner, defining objectives, and formulating questions 30–60 min
    2. Pre-Test Interview Familiarizing the subject with the procedure, explaining each question, and alleviating anxiety 20–40 min
    3. Polygraph testing Connecting sensors and conducting a series of tests with control and verification questions 40–90 min
    4. Analysis of Results Processing of polygraph tracings, mathematical analysis of responses, formulation of conclusions 30–60 min
    5. Issuing the Report Providing the client with a written report containing the results and recommendations 24–48 hours
    The total duration of the procedure ranges from 1.5 to 3 hours, depending on the complexity of the case and the number of questions.

    Is it possible to cheat on a polygraph test?

    This is one of the most common questions our clients ask. The answer: it is virtually impossible to cheat a modern polygraph. You can find advice online about so-called “countermeasures”—special techniques designed to thwart the test. However, in practice, all attempts to cheat are recorded by the equipment and detected by an experienced expert.

    That is why the lie detector remains a reliable tool:

    • Multichannel recording—simultaneous recording of dozens of parameters makes it impossible to monitor all reactions at once
    • Motion sensors—detect any attempts at physical resistance (muscle tension, fidgeting, applying pressure)
    • Expert experience—a certified polygraph examiner with many years of experience recognizes behavioral patterns characteristic of attempts to deceive
    • Control questions—the methodology includes calibration questions that allow for the precise determination of each person’s individual “normal” reaction patterns

    Online Consultation with a Polygraph Examiner

    Online consultation with a polygraph examiner Not sure if you need a polygraph test? Start with a free online consultation. Our specialists will conduct a preliminary consultation by phone, on Telegram, or via video call and help you determine:
    • Whether a polygraph is suitable for your situation
    • Which type of testing is best for your case
    • What questions can be asked during a polygraph test
    • Where and when it’s most convenient to take the test
    An online consultation with a polygraph examiner is the first step toward solving your problem. It’s completely free and comes with no obligations. After the consultation, you’ll have a clear understanding of the process and will be able to make an informed decision. For those who are in another country or city, the online format is especially convenient: discuss the details remotely and take the test at the office nearest to you.

    Polygraph Services for Businesses and Individuals

    We offer a full range of lie detector services tailored to our clients’ specific needs:
    ServiceWho It’s ForWhat It Identifies
    Employee ScreeningHR departments, managersFalse information on resumes, criminal history, propensity for fraud
    Routine personnel screeningCompanies, businessesCollusion, theft, leakage of trade secrets, disloyalty
    Forensic investigationAttorneys, litigantsCredibility of testimony, proof of innocence
    Infidelity screeningIndividuals, familiesInfidelity, secret relationships, financial dishonesty
    Internal investigationsSecurity servicesIdentifying perpetrators of theft, leaks, and sabotage
    Business partner vettingEntrepreneurs, investorsHidden motives, financial reliability, integrity

    Each type of screening is tailored to the specific situation. The polygraph examiner works with the client to develop a list of questions that will most accurately reveal the relevant aspects.

    Need a test? Contact us!

    Free consultation—we’ll help you choose the best testing format

    Call us
    Send an email
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    Why do people choose HelpToCheck?

    Over the years, we have developed a system that ensures the high quality of every test:
    • 12+ years of experience — thousands of successful tests for businesses and private clients
    • 40+ countries — a network of certified polygraph examiners around the world
    • State-of-the-art equipment—latest-generation polygraphs with multi-channel data recording
    • Complete confidentiality—results are shared only with the client; we sign an NDA upon request
    • Certified experts — our polygraph examiners are qualified as forensic experts; results are admissible in court
    • Free consultation — before the test, you receive complete information about the procedure, with no hidden conditions

    Where can I get a polygraph test?

    Our branches operate in more than 40 countries around the world: Germany, Poland, the Czech Republic, Moldova, Georgia, Kazakhstan, Uzbekistan, Kyrgyzstan, the UAE, Ukraine, and many others. In each country, we have local certified polygraph examiners who speak the client’s language.

    You can take a lie detector test in a city of your choice or use our on-site service—our specialist will come to your office or another location. To find the nearest branch, go to the Locations section or contact us—we’ll find the best option for you.

    Can’t find your city on the list? No problem. We’re constantly expanding our coverage and can arrange a test virtually anywhere in the world. Submit a request, and a manager will contact you within an hour.

    Quality Assurance and Confidentiality

    Polygraph Test for Infidelity

    We understand that seeking a lie detector service is a difficult decision involving sensitive issues. That is why security and confidentiality are the foundation of our work:

    • Data Protection — All information regarding the client, the circumstances of the assessment, and the test results is stored in a secure system and is not shared with third parties
    • Signing an NDA—at the client’s request, we sign a non-disclosure agreement before beginning work
    • Voluntary participation—testing is conducted only with the consent of all participants. Coercion to take a polygraph test is unacceptable and contrary to our ethical standards
    • Testing Standards—Our specialists adhere to international polygraph standards, use scientifically validated methods, and regularly undergo continuing professional development
    • Independence of conclusions—the polygraph examiner formulates a conclusion based solely on recorded physiological responses, without subjective assessments or bias

    The test results are provided in the form of a detailed written report. For forensic examinations, the report is prepared in accordance with procedural requirements and may be used as evidence in court.

    Preparing for a Polygraph Test

    No special preparation is required for a polygraph test. However, there are a few recommendations that will help make the procedure as comfortable as possible:
    Recommendation Why is this necessary?
    Get a good night’s sleep before the test Fatigue can distort physiological reactions and complicate the interpretation of results
    Avoid alcohol and sedatives for 24 hours These substances affect the nervous system and may reduce the accuracy of the test
    Be prepared for an open conversation The pre-test interview is an important part of the procedure; the more honestly you answer, the more accurate the result will be
    Ask all your questions before the test begins The polygraph examiner is required to explain each question in advance; there should be no surprises during the test
    If you’re nervous before the procedure, that’s perfectly normal. Our specialists create a comfortable atmosphere and explain each step in detail. Nervousness itself does not affect the results, as the methodology takes the test subject’s emotional state into account.

    Need a test? Contact us!

    Free consultation—we’ll help you choose the best testing format

    Call us
    Send an email
    Telegram

    What kind of equipment is used for polygraph testing?

    The quality of the results depends directly on the equipment used. At HelpToCheck, we work exclusively with the latest generation of computerized polygraphs, which provide multichannel digital recording of physiological responses. Main components of the polygraph system:
    Component What it measures Why it’s needed
    Pneumatic sensors (2 pcs.) Chest and abdominal breathing Record changes in breathing rhythm, depth, and rate while answering questions
    Skin Galvanic Response (SGR) sensor Skin Galvanic Response Measures skin electrical conductivity—one of the most sensitive indicators of stress
    Blood pressure cuff Blood pressure, pulse Records changes in cardiovascular activity
    Tremor sensor Body micro-movements Detects attempts at physical resistance (muscle tension, tingling)
    Plethysmograph Peripheral blood flow Records the constriction and dilation of blood vessels in the fingers
    All data is recorded in digital format and analyzed both automatically (by software algorithms) and manually by an expert. This dual verification eliminates errors and maximizes the reliability of the results.

    How to Choose a Polygraph Examiner: What to Look For

    The market for polygraph services is not as strictly regulated as, for example, the medical field. Therefore, choosing the right specialist is key to ensuring the reliability of the results. Here are some criteria that will help you distinguish a professional from an amateur:
    • Education and Certification — A polygraph examiner must have a degree in a relevant field (psychophysiology, criminalistics, psychology) and a certificate of completion for a specialized training course
    • Work experience—at least 3–5 years of practice and hundreds of tests administered. Ask to see a portfolio or client testimonials
    • Equipment—a professional uses a modern computerized polygraph with at least 5 recording channels, not outdated analog devices
    • Methodology—an expert must apply scientifically validated methods (Utah format, comparison zone, MKRD) and be able to explain them to the client
    • Pre-test interview—an honest specialist always conducts a detailed pre-test interview, explains each question, and does not use “surprise” questions
    • Report—Following the test, a written report is provided that describes the methodology, polygraph traces, and conclusions, rather than a verbal “recommendation”
    • Membership in professional organizations—Membership in polygraph associations confirms a commitment to ethical standards
    All HelpToCheck specialists meet the criteria listed above. Our polygraph examiners undergo regular certification and continuing education, and the results of their work are accepted by the courts.

    Time of the event and deadline for receiving the report

    One of the key questions our clients ask is how long a polygraph test takes and when the results will be ready. It all depends on the type of test and the complexity of the case:
    Type of Test Duration of the Procedure Time to Receive the Report
    Employment Screening (1 person) 1.5–2 hours 24 hours
    Routine Employee Screening 1.5–2.5 hours 24–48 hours
    Infidelity check 2–3 hours 24 hours
    Internal investigation 2–3 hours 48 hours
    Forensic examination 2–4 hours 3–7 business days
    The times listed include the pre-test interview, the testing itself, and the final stage. Forensic evaluation takes longer because it requires a detailed report prepared in accordance with procedural standards. When testing multiple employees as part of a single project, we create a testing schedule and can process up to 5–8 people per day. Preliminary verbal results are provided to the client on the day of testing, and a written report is delivered within the specified timeframe.