Polygraph services: a reliable and comprehensive guide with 17 answers

What a polygraph is and what it is used for

A polygraph (often called a “lie detector”) is a psychophysiological testing tool that helps establish how truthful a person’s answers to clearly worded questions are. In practice, the service is needed when “guesswork” no longer works and decisions have to be based on facts: in business, family matters, internal investigations or legal cases.

Need a test rather than theory? Take the online VerifEye test — from 2,500 UAH (≈ €50), no office visit needed, or work out the cost of a polygraph test.

An important point: a polygraph does not read minds and does not “magically guess the truth”. The result depends on the method, the right questions, the test conditions and the specialist’s qualifications. That is why a competent procedure is not “sit them down, hook them up, ask 3 questions” but a structured process.

Who needs polygraph services

The services are usually ordered in three broad situations:

1) Private situations

• family conflicts, suspicions of deception;
• establishing the truth in disputes between loved ones;
• checking important facts before making serious decisions.

2) Business and HR

• screening candidates for high-risk positions (finance, warehouse, security);
• routine staff screening;
• internal investigations after an incident (theft, information leaks, etc.).

3) Legal and “conflict” cases

• situations where the facts need additional verification;
• pre-trial investigations (within what is permitted and in compliance with the procedure).

Types of polygraph tests

These are the formats you will come across most often:

• Screening (testing a candidate/employee)
• Incident-specific test (internal investigation)
• Tests for private individuals (disputed issues)
• In-depth/extended test

How the test works: step by step

1. Consultation and defining the task — you explain the situation: what happened and what exactly needs to be checked.
2. Pre-test interview — the rules are explained, unnecessary anxiety is eased and details are clarified.
3. Preparing the questions — short, unambiguous, with no “hidden meaning”.
4. Conducting the test — several series of questions for a stable result.
5. Analysis of the results and the conclusion — a summary in the agreed format.

What questions can be asked

For polygraph services to be of real use, the questions must be:

• specific;
• limited to a particular time/event;
• free of judgements and assumptions.

Good: “Did you take money from the cash register on 12 May?”
Bad: “Are you an honest person in general?”

The more “philosophy”, the worse the test works. And vice versa: a clear event + a clear time frame = the best chance of getting a practical result.

Polygraph accuracy: what really affects the result

Key factors:

• the examiner’s experience and method;
• the right questions;
• the person’s condition (sleep, stress, alcohol);
• no pressure or “theatrics” during the test.

So focus not on grand promises but on the process: is there an interview, are the questions worded correctly, are the limits of the method explained?

Preparing for the test

Here are some simple rules that really help:

• get a good night’s sleep;
• do not drink alcohol the day before;
• do not come in “on edge” straight after a conflict;
• report any medication or health conditions.

Preparation is not a formality. It directly affects the quality of the test.

Polygraph service prices: what the cost depends on

“How much do polygraph services cost?” is one of the most frequent questions. In practice, the price depends on:

• the type of test (private/business/incident);
• the number of topics and the depth;
• urgency;
• the format (at the office or on-site);
• the number of people.

How much polygraph services cost for private individuals

In private matters, the price often varies with the complexity of the case and the number of topics. It is best to confirm the cost after a short consultation.

How much polygraph services cost for businesses

For businesses, the price tag is often higher, because standardised protocols are needed, several people are sometimes tested, and reports are required for the security department/HR.

Where to take a lie detector test in Ukraine

People often search for “where can I take a lie detector test”. Logistics and confidentiality matter, so it is worth choosing a service that works in your city or can travel to you.

Modern formats: EyeDetect and VerifEye

• EyeDetect — a truthfulness test based on eye reactions. It is often chosen by those who want a faster test without “sensors”.
• VerifEye — a remote format that lets you take the test online (when people are in different cities/countries).

This is especially relevant for international couples, business trips, relocation and situations where meeting in person is difficult.

Ethics, confidentiality and legality

Good polygraph services rest on 3 rules:

• voluntariness;
• confidentiality;
• a clear protocol: what is being tested, why, and what the outcome will be.

If you are promised “we’ll do it secretly, without the person’s consent”, that is a bad sign. A professional approach is always about boundaries and responsibility.

How to choose a polygraph examiner

Here is a short checklist:

• experience and specialisation (private cases ≠ corporate ones);
• a clear process (interview, preparation of questions, explanation of the results);
• reputation (reviews, case studies without disclosure of personal data);
• confidentiality and proper paperwork.

Where we work

All regional centres of Ukraine

Cherkasy, Chernihiv, Chernivtsi, Dnipro, Ivano-Frankivsk, Kharkiv, Kherson, Khmelnytskyi, Kropyvnytskyi, Kyiv, Lutsk, Lviv, Mykolaiv, Odesa, Poltava, Rivne, Sumy, Ternopil, Uzhhorod, Vinnytsia, Zaporizhzhia, Zhytomyr.

All European capitals

Amsterdam, Andorra la Vella, Ankara, Athens, Baku, Belgrade, Berlin, Bern, Bratislava, Brussels, Bucharest, Budapest, Chisinau, Copenhagen, Dublin, Helsinki, Kyiv, Lisbon, Ljubljana, London, Luxembourg, Madrid, Monaco, Nicosia, Oslo, Paris, Podgorica, Prague, Pristina, Reykjavik, Riga, Rome, San Marino, Sarajevo, Skopje, Sofia, Stockholm, Tallinn, Tbilisi, Tirana, Vaduz, Valletta, Vatican City, Vienna, Vilnius, Warsaw, Yerevan, Zagreb.

FAQ: polygraph services

1) Are polygraph services the same as “polygraphic services”?

No. In Ukrainian, “polygraphic services” means printing. Here we are talking about the lie detector.

2) How much do polygraph services cost?

It depends on the type of test, the number of topics and the format. It is best to get a price for your specific request.

3) Where can I take a lie detector test in my city?

There are services with a list of cities/branches or the option of travelling to your region.

4) Can I take the test remotely?

Yes, the remote VerifEye format lets you take the test online.

5) Can you “beat the polygraph”?

The result is affected by the method, the person’s condition and how the questions are put. When the process is done well, “tricks from the internet” usually don’t help.

6) What will I receive after the test?

Usually a final conclusion and an explanation of the results in the agreed format.

Conclusion

Polygraph services are a tool for cases when you need to stop guessing and get a factual basis for a decision. The best result comes from a high-quality process: the right questions, appropriate conditions, the specialist’s experience and honesty about the limits of the method.

The price of each service is on the page how much a polygraph test costs in Lviv: prices from 900 UAH (≈ €18) and a calculator that works out the cost in 30 seconds.

If you are just getting to grips with the subject, start with the basics: the lie detector — what it is, how it works and how accurate it is.