Grantham Location

Lie Detector Test in Grantham

Professional, accredited polygraph testing across Grantham and Lincolnshire — from £395, results the same day.

100% ConfidentialUKPA, UKAPPE & APA-AccreditedFrom £395 InclusiveSame/Next Day Booking

We Understand

You Have Sat With This Long Enough. It Is Time to Get an Answer.

Some situations resolve on their own. This kind does not.

The doubt you are carrying, or the accusation you are dealing with, has had time. It has had conversations, explanations, and patience. And it is still there.

What changes things is not more of the same. It is something external, independent, and professionally verified. Something that replaces the uncertainty with a fact.

Grantham Expertise

Professional and Confidential Lie Detector Test in Grantham

Lie Detector Test UK Services provides fully accredited polygraph examination across Grantham and the wider Lincolnshire area through professional controlled testing locations and private home visits.

Grantham sits at the heart of the East Midlands corridor, with straightforward reach into Nottingham, Leicester, Peterborough, Lincoln, Stamford, and Newark-on-Trent. Our team can serve clients across the town and a wide surrounding area efficiently and discreetly.

Every test is conducted by Mike Rumble or a member of his certified team. Mike is the serving Chairman of the UK Polygraph Association, accredited by UKPA, UKAPPE, and APA, and brings over 45 years of investigative and polygraph experience to every case.

Results are independently verified by a secondary examiner and delivered in a full written report the same day. You speak directly with qualified professionals throughout, with complete confidentiality from first contact to final report.

Chairman, UK Polygraph Association

UKPA, UKAPPE & APA Certified

Office or Home Testing

Verified Report — Same Day

Our Services

Our Lie Detector Test Services in Grantham

A full range of accredited polygraph tests to resolve personal and professional matters

Infidelity

Resolve doubts about cheating, sexting, or emotional affairs. Get clear, evidence-based answers so you can either rebuild trust or move forward with confidence.

False Accusations

Prove your innocence when it matters most. Our court-recognised reports give you a powerful, evidence-based tool in personal, workplace, and legal disputes.

Addiction

Verify sobriety or uncover hidden drug, alcohol, or gambling habits. A trusted way for families and partners to rebuild trust and support recovery with honesty.

Historic Sexual Abuse

A discreet, sensitive test for resolving past claims. Used by individuals seeking to validate their experience or clear their name against unproven accusations.

Want to Talk it Through First?

Call us for a free, confidential conversation with a qualified examiner.
No obligation to book.

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Simple Process

How It Works

Three straightforward steps, handled entirely by qualified
examiners, no agencies, no middlemen.

01 Talk to the examiner directly

When you contact us, you reach a trained examiner from the first call. There is no receptionist or call handler in between. They will hear out your situation, give honest answers, and recommend the test that suits your case.

02 Sit the test somewhere that works for you

Pick a private, fully controlled testing room near Grantham, or book a home visit anywhere across Lincolnshire. Allow about two hours. The appointment includes a pre-test interview, the polygraph examination, and psychometric profiling.

03 Receive verified results the same day

A second examiner reviews and confirms your results before you leave. Your full written report arrives by email the same day, independently checked and ready to act on.

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Pricing

Transparent Pricing

No hidden fees. No agency mark-ups. Just professional service.

Office Tests

At our private offices

£395

all inclusive

Pre-test consultation
Full polygraph examination
Verified written report
Same day results

Book Office Test

Home Visit

We come to you

£395

travel costs apply

Privacy of your own home
Full polygraph examination
Verified written report
Same day results

Request Home Visit

A £150 non-refundable deposit secures your booking. Payable online, by
phone, or bank transfer.

Why Act Now

What the Uncertainty Is Actually Doing

Most people in these situations underestimate the cost of staying in them.

The doubt does not stay contained. It works quietly on trust, on attention, on how much of yourself you are able to invest in the relationship while the question remains open.

Grantham clients who have come to us describe a consistent pattern. The result, whatever it showed, was far easier to live with than the extended period of uncertainty that had preceded it.

The thing they had been reluctant to face turned out to be considerably less difficult than what they had been quietly enduring in its place.

Of the couples who come to us with infidelity concerns, 70% are able to repair and move forward after the test. A verified result gives both people something fixed and factual to work from.

Moving Forward

What Changes When You Have an Answer

A verified result does not just close something. It opens everything that the uncertainty had been blocking.

Decisions that had felt impossible to make without something solid behind them start to come within reach. Conversations that had been going in circles find new ground.

Some clients use that clarity to begin rebuilding trust on a foundation that is finally stable. Others use it to commit to a direction they had known was right but could not take without something definitive behind them.

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Lead Examiner

Meet Your Examiner — Mike Rumble

Mike Rumble is the founder of Lie Detector Test UK Services and the serving Chairman of the UK Polygraph Association.

Before establishing the UK’s leading polygraph practice, Mike spent 28 years as a detective with West Midlands Police, specialising in serious sexual offences and complex criminal investigations.

Trained at the Backster School of Lie Detection and accredited by UKPA, UKAPPE, and APA, Mike has given expert witness testimony at every level of the UK court system, up to and including the Royal Courts of Justice.

Every case handled for Grantham clients is conducted by his personally trained team, to the standard he has maintained throughout his career.

Learn More About Mike Rumble

Trusted by many. Memorable
in more ways than one.

Real clients, real results

‘100% recommend. This process was fast and easy, especially for a last minute booking. Nobody wants to do these things, however it was a positive experience. From the location to the test, I was treated with respect and the process was discreet.’
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Karen Whitfield
Verified Client
‘It was very professional and easy to understand. Felt very comfortable. Quick results too which was amazing.’
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Danielle Rowley
Verified Client
‘I was so anxious before the test but everything was explained clearly beforehand which helped a lot. The whole process felt calm and controlled from start to finish. Results came through quicker than I expected. I finally got the answers I’d been looking for.’
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Michelle
Verified Client
‘Booked this for a business matter rather than anything personal and wasn’t sure what to expect. The setup felt professional, almost like a proper investigation. Everything was clearly explained and nothing felt rushed. The report itself was detailed and easy to follow.’
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Thomas Baxter
Verified Client
‘I genuinely didn’t know what to expect walking in that day. The examiner made me feel comfortable almost straight away, no judgement at all. Everything was handled with real care and professionalism throughout. I left feeling much better than when I arrived.’
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Sophie Nolan
Verified Client
‘Needed this done quickly and they managed to fit me in within the same week. The whole process from booking to the actual test day was simple. Nothing felt complicated or over explained. I’d happily use this service again if I ever needed to’
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Andrew Pearce
Verified Client
‘I was going through a really difficult time and needed some clarity more than anything. The team were kind about the whole situation, not cold or clinical like I expected. They took the time to explain things properly. Genuinely grateful I found them.’
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Chloe Ferguson
Verified Client
‘Wasn’t sure a lie detector test could really help but it ended up making a big difference. Everything was laid out clearly before we even started the process. There were no surprises along the way at all. I finally got the closure I needed.’
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Liam Foster
Verified Client
‘I’ll admit I was a bit sceptical about the whole thing at first but that changed quickly. The examiner took the time to walk me through every step beforehand. Nothing felt rushed and my questions were all answered properly. It gave me exactly the peace of mind I needed.’
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Rebecca Hartley
Verified Client
‘Went into this not really knowing what to expect if I’m honest. The whole thing was handled really professionally from the first phone call. Nothing felt awkward even though the situation itself was difficult. I came away with real clarity for once.’
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Nathan Cole
Verified Client
‘Needed something sorted privately and this was exactly what I was after. The examiner was easy to talk to and explained the process without any jargon. Everything stayed confidential just like they promised. I’d recommend this to anyone in a similar situation.’
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Hannah Brookes
Verified Client
‘Wasn’t looking forward to this at all but it turned out much better than expected. The team were patient and didn’t make me feel rushed or judged. Every part of the process was explained clearly beforehand. Left feeling relieved rather than anxious.’
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Daniel Whitmore
Verified Client

FAQ

Frequently Asked Questions

Common questions about our Grantham polygraph service

Not at all. We serve clients across Lincolnshire and the surrounding counties regularly, through both controlled testing venues and private home visits.

Everything. The pre-test consultation, the full examination, psychometric profiling, and your independently verified written report are all included in the price.

Yes. Home visits are available across Grantham and the wider Lincolnshire area. Any travel costs are discussed and confirmed before your booking is finalised.

The entire process is confidential from start to finish. Nothing is shared with any third party without your consent, and all testing venues carry no external signage.

UKPA, UKAPPE, and APA recorded accuracy rates of 95 to 98% across more than 6,000 controlled examinations. We use Lafayette instruments and apply the same methodology to every test.

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