National Private Investigators

Getting The Evidence You Need

National Private Investigators (NPI)

National Private Investigators provide professional, diligent, specialist private detective services in London & the UK. The purpose of a private investigation is to empower you, by giving you all the facts of the situation and you some peace of mind. That’s why at National Private Investigators, your privacy is always paramount. When you work with us, you get complete confidentiality throughout the entire data-gathering process. Our private detectives work discreetly behind the scenes to obtain the evidence that you need. If you’re interested in finding out more, or you’re ready to hire a private investigator in London – Get in touch for a confidential enquiry.

Truth & Discretion Guarantee

The NPI guarantee ensures thorough private investigations, expert results & absolute discretion.

Private Investigator UK

What our clients say...

I'm very happy with the work provided from National Private Invesitgators. I would highly recommend their service. Thank you!
David G
London UK
Excellent service throughout, we were kept up to date on the investigation every step of the way. We couldn't have asked for more.
Lucy E
Cambridge UK
Amazing result! As a business, we've worked with a few companies over in the years, and NPI get the job done. Highly recommended!
Johnathan M
Greater London UK

Private Detective UK

Our private detectives understand that your privacy is always essential and the purpose of the private investigation is to provide you with the all the facts and evidence to make the best decisions.  We cover a wide range of specialised services including corporate and fraud investigationsbug sweepinginsurance investigationspeople tracingvehicle trackingcheating partner investigations & background checks.  When you work with us, you get complete confidentiality throughout the entire private investigation process, we are both thorough and discreet.

Our private detectives cover all of the UK at affordable rates to offer you the best value possible.

Private Investigation Process

4 steps to finding the truth

1. Contact Us

for a free consultation. Our friendly and experienced case manager will go through your issue and you will be guided through our process and what we require to get the evidence you need.

2. Information

Provide us with as much background information as you can. We will guide you as to what will be useful, but the more information we have, the quicker we can achieve results.

3. Investigation

We will start our private investigation as soon as possible and you will be kept updated in real time. If tracking is involved, you will be updated on the location of your subject.

4. Report

We will provide a full and detailed report no more than 24 hours after the private investigation is over. The report will contain all the evidence you have requested.

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