Professional, confidential polygraph examinations in Philadelphia conducted by fully accredited examiners. All-inclusive pricing from $800 with no hidden fees.
A lie detector test in Philadelphia, Pennsylvania costs $800 for a single person examination, all-inclusive. Couples testing is $1,500 and group rates start from $700 per person. All prices include the booking fee, examination, pre-test assessment, and a detailed written report with no hidden costs.
Your Philadelphia Testing Venue
1650 Market Street, Suite 3600, Philadelphia, PA
Exact suite/floor details sent after booking confirmation
Professional office in secure building
By confirmed appointment only
Accredited, vetted examiner
Wheelchair-friendly access
Free or validated parking
Philadelphia Pricing
Test Type
Price
Single Person
$800
Couple / Two People
$1,500
Group (3+ People)
$700/pp
Only $100 deposit required. Balance payable after agreements finalised. Includes booking fee, examination, pre-test assessment, and detailed written report. No hidden costs.
Pricing verified & up to date — last checked March 9, 2026 at 8:50 PM
Not Every Lie Detection Service Advertised in Pennsylvania Is Legitimate
Read this if you're looking for any lie detection service in Pennsylvania. It could save you time, money, and a lot of unnecessary stress.
If you're searching for a lie detector test in Pennsylvania for the first time, you're probably facing an important decision
— whether it involves a relationship, a legal matter, or a professional dispute. The result of your polygraph test may shape what happens next, so the accuracy and legitimacy of the service you choose genuinely matters.
Unfortunately, not every company advertising "lie detection" in Pennsylvania is offering a scientifically validated service. Some use unproven alternative techniques — voice stress analysis, EEG-based methods, or eye-tracking — that have no peer-reviewed research confirming their accuracy. Others may use real polygraph equipment but employ unqualified or uncertified examiners who haven't completed accredited training. These shortcuts produce unreliable results that can lead to the wrong conclusions at the worst possible time.
Here's what a legitimate polygraph service looks like: a computerized polygraph instrument operated by an examiner who graduated from an APA-accredited school, completed a supervised internship, passed background and criminal history checks, and holds any required state licence.
While Pennsylvania does not require a separate state polygraph licence, our examiners still meet the same rigorous standards we enforce across our entire network — as defined in our Standards of Practice.
Certified examiners are also required to complete a minimum of 30 hours of continuing education every two years to stay current with evolving research and methodology. Every examiner in our network meets these requirements — we verify credentials independently, conduct ongoing quality reviews, and require full adherence to our Code of Ethics and Standards of Practice. Under these conditions, peer-reviewed research confirms accuracy rates of up to 95% for single-issue examinations.
Ask if the examiner is APA-accredited — if they can't confirm, walk away
Verify they use a computerized polygraph — not voice analysis or alternatives
Check their continuing education — 30 hours every 2 years is the standard
Request a written report with scoring — credible examiners always provide one
About Lie Detector Testing in Philadelphia, Pennsylvania
In Philadelphia, we maintain a private, soundproofed examination room within a professional office complex. The location is chosen for its accessibility by both car and public transport, with dedicated parking options for clients who prefer to drive.
Our APA-certified examiner in Philadelphia uses computerised polygraph equipment that simultaneously monitors multiple physiological channels. This digital approach provides greater precision than older analogue instruments and produces clear, reproducible data that can withstand professional review.
Regarding polygraph use in Pennsylvania: Pennsylvania excludes polygraph evidence in criminal proceedings under established case law. Polygraphs are used in probation, sex offender treatment, and certain civil matters. Our examiners understand Pennsylvania's specific requirements and produce reports formatted appropriately for any context in which they may be used.
How to Get a Lie Detector Test in Philadelphia
Four simple steps from booking to results
Book online — select Philadelphia, pick your preferred date and time, and pay the $100 deposit
Get confirmed — receive SMS and email confirmation with venue address, parking info, and directions within 24 hours
Take your test — attend your 90-minute to 2-hour appointment with a APA-certified polygraph examiner
Receive your report — get a detailed written report with methodology, question-by-question results, and examiner conclusions on the same day
1
Book Online
Select Philadelphia, choose your date & time, and secure with a $100 deposit
2
Get Confirmed
SMS & email with your venue address, parking info, and directions within 24 hours
3
Take Your Test
90-minute to 2-hour appointment with your APA-certified examiner in a private office
4
Receive Your Report
Detailed written report with methodology, results, and conclusions — same day
What's Included in Your Philadelphia Lie Detector Test
Pre-test consultation30–45 min — all questions reviewed and agreed before the test begins
Full polygraph examinationQuestions repeated minimum 3 times for accuracy using digital instruments
Post-test reviewExaminer discusses preliminary findings with you before you leave
Detailed written reportMethodology, question-by-question results, physiological data, and conclusions
Private testing venueSoundproofed office at 1650 Market Street, Suite 3600, Philadelphia, PA
APA-certified examinerFully accredited, vetted, and experienced professional
Pre-test consultation (30–45 min) — all questions reviewed and agreed before the test begins
Full polygraph examination — questions repeated minimum 3 times for accuracy using digital instruments
Post-test review — examiner discusses preliminary findings with you
Detailed written report — methodology, question-by-question results, physiological data, and professional conclusions
Private testing venue — soundproofed office at 1650 Market Street, Suite 3600, Philadelphia, PA
APA-certified examiner — fully accredited, vetted, and experienced professional
All prices are all-inclusive with no hidden fees. The cost covers the $100 booking deposit, the full polygraph examination, pre-test assessment, private office, examiner, and a comprehensive written report.
What to Expect During a Lie Detector Test in Philadelphia
A polygraph examination in Philadelphia takes approximately 90 minutes to 2 hours. You will arrive at the private office venue and meet your APA-certified examiner. The session begins with a pre-test interview lasting 30–45 minutes where every question is discussed and agreed — nothing asked during the test will be a surprise.
During the examination, sensors monitor your heart rate, blood pressure, respiration, and skin conductivity while you answer yes-or-no questions. Each question is repeated a minimum of 3 times across multiple charts to ensure accuracy. After the test, the examiner reviews the data and discusses preliminary findings. A detailed written report is provided on the same day, covering the methodology used, all questions asked, physiological responses recorded, and the examiner's professional conclusions.
Confidential
Results only shared with you
Certified
APA, BPS & EPA accredited
Full Report
Detailed written findings
Fixed Price
No surprises, ever
Trusted by Thousands Across Pennsylvania
10,000+Tests Conducted
4.9/5Satisfaction
15+Years
98%Recommend
★★★★★
"Completely confidential from start to finish. No one would know you were there for a polygraph test. Very reassuring."
Verified Client · Philadelphia, Pennsylvania
★★★★★
"Handled a sensitive family matter with complete discretion and professionalism. The results gave us the clarity we needed."
Verified Client · Pennsylvania
★★★★★
"Quick to book, easy to find the office, and the examiner was thorough without rushing. Report arrived the same day."
Verified Client · Philadelphia, Pennsylvania
Other Locations in Pennsylvania
We also provide testing at these nearby Pennsylvania locations — showing distance from Philadelphia
King of Prussia
630 Freedom Business Center, 3rd Floor, King of Prussia, PA 19406
Our Philadelphia office frequently welcomes clients from surrounding cities where accredited polygraph examiners are not available locally. We regularly serve residents travelling from Camden (3 mi), Drexel Hill (7 mi), Havertown (8 mi), Abington (12 mi), and Sewell (13 mi), all of whom receive the same professional, APA-certified examination in our controlled-environment office. If you are travelling from any of these areas, full details including directions and estimated travel time are available on each city's page.
Travelling to Your Appointment? Read This First
Before You Travel
Get a good night's sleep — fatigue can affect physiological responses and your ability to concentrate during the examination
Avoid caffeine and stimulants — coffee, energy drinks, and nicotine can elevate your heart rate and create misleading readings
Eat a light meal beforehand — arriving hungry can cause discomfort and distraction during the 90-minute to 2-hour session
Bring any relevant documents — case notes, a list of questions you want asked, or reference materials for your examiner
On the Day
Allow extra travel time — arriving rushed or stressed can affect your physiological baseline. Aim to arrive 10–15 minutes early
Bring a valid photo ID — your examiner will verify your identity before the examination begins
You may bring a support person — they are welcome to wait in the reception area while your examination takes place in a separate private room
Wear comfortable clothing — sensors are placed on your upper body, so avoid restrictive or heavily layered clothing
Discreet office — no visible signage from outside
Free reschedule — cancel or change with 48 hours' notice at no cost
Allow 90 min – 2 hours for the full appointment
Frequently Asked Questions — Philadelphia
Common questions about polygraph testing in Philadelphia, Pennsylvania
How much does a lie detector test cost in Philadelphia?▼
A single person polygraph examination in Philadelphia starts from $800, all-inclusive. Couples testing is $1,500 and group testing (3+ people) is $700 per person. All prices include the booking fee, examination, pre-test assessment, and a detailed written report. No hidden costs.
Where exactly is the Philadelphia testing venue?▼
Our Philadelphia venue is located at 1650 Market Street, Suite 3600, Philadelphia, PA. It is a professional, private office environment. The exact suite or floor details, along with parking information and directions, are sent to you via SMS and email after your booking is confirmed.
How do I book a lie detector test in Philadelphia?▼
All bookings are made through our secure online booking system. Select Pennsylvania as your region, choose Philadelphia as your location, pick your preferred date and time, and confirm your details. Only a $100 deposit is required. You'll receive SMS and email confirmation.
How long does the test take?▼
Allow 90 minutes to 2 hours. This includes the pre-test interview where questions are agreed, the examination itself (questions repeated minimum 3 times for accuracy), and a post-test discussion with the examiner.
Is the test confidential?▼
Completely. Examinations take place in a private, soundproofed office. Results are shared only with you — never disclosed to third parties without your explicit written authorisation. We do not use branded vehicles or visible advertising at the venue.
Who conducts the examination?▼
All examinations in Philadelphia are conducted by a fully accredited, APA-certified polygraph examiner. Our examiners are rigorously vetted through a five-step process covering credentials, experience, ethics, equipment standards, and ongoing performance monitoring.
Can I reschedule or cancel?▼
Yes. Please contact us at least 48 hours before your appointment to reschedule. We'll work with you to find a new date and time. Full cancellation and rescheduling policies are included in your booking confirmation email.
Are results admissible in court in Pennsylvania?▼
Polygraph admissibility varies by jurisdiction within Pennsylvania. We provide detailed written reports and our examiners are available for expert testimony if required. See our admissibility guide for state-specific details.
Ready to Book in Philadelphia?
Only a $100 deposit. Select your date and time — confirmation sent instantly.
