National Private Investigators

private detectives – your eyes & ears for every situation

National Private Investigators London & UK

We are professional, diligent, specialist private detectives in London & the UK and we believe that getting to the truth of the matter is vital. Sometimes we all need answers and finding the truth is difficult, so professional investigation services can help whether you have suspicions about a spouse, an employee, an insurance claim or any other situation where you suspect illicit behaviour. So contact our London based UK private investigators today – we’re here to help. 

National Private Investigators (NPI) provide specialists to help you to get the answers you need in a range of situations. Our diligent private investigations can provide you with the evidence so you are able to act in an educated, empowered way.  It is rarely an easy situation that calls for the specialist skills of a private investigator, so when you hire us, you can be certain of discretion and professionalism, with a team of ex-army reconnaissance surveillance operatives ready to support you in getting the information you desire.

 If you’re interested in finding out more contact us today for a confidential enquiry.

Truth & Discretion Guarantee

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

Private Investigator UK

Our Reviews

I'm very happy with the work provided from National Private Investigators. 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 London & UK

As your private investigator we understand that your privacy is always essential and the purpose of our assignment 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.

Private Investigator London & UK

Hiring a private detective for the first time? We can make the experience both positive and productive. Prioritising your privacy, National Private Investigators ensures that the data gathering process is confidential, discreet and completely legal, so you are able to use the information however you need. Our expert investigators can get you the essential evidence to help you with that difficult situation. 

This means that no matter where your suspicions lie, we will have the right person for the job. You will be working with a dedicated case manager who will gather all the details necessary from you in order to deliver a timely and comprehensive result.If you are searching for answers and require the right information, we are here to help. 

With a range of diverse experience in all areas, our private investigators are ready to support you with a fully broken down pricing structure and total transparency, from start to finish. After all, we know better than anyone that honesty is the best policy. 

Contact us now for a free and completely confidential consultation – whether you are in the early stages of considering a private investigator or you’re ready to get to work. Let’s talk about what we can do for you.

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