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Private Investigators Hertfordshire

Private Investigator in Hertfordshire for Businesses and Individuals

Private Detective Hertfordshire

Welcome to National Private Investigators (NPI), your trusted partner for uncovering the truth in Hertfordshire. We understand life’s uncertainties can throw you a curveball, whether it’s a personal matter or a business concern. That’s why we offer a range of discreet investigation services designed to give you the clarity and peace of mind you need to move forward

Truth & Discretion Guaranteed

We guarantee our clients that we will conduct a thorough investigation in a discreet manner and the results will be true and accurate.

Private Investigator Services

Private Surveillance Reviews

Ukent Milwood
Ukent Milwood
2024-06-03
I can truly say that I have received a 100% service. Jack took the time to call me. He was polite, courteous and attentive to my needs. The best type of service for my needs and within no more than a few hours I had a full report, if you ever need a private investigating service, I would encourage you to use National Private Investigators. Thank you, Jack and your team.
Steve Bayley
Steve Bayley
2024-04-18
I would recommend NPI when hiring a private investigator. A very happy customer.
Aprile Merriman-Bayley
Aprile Merriman-Bayley
2024-04-18
Hired them for a Surveillance job and i was extremely impressed with the evidence they got.
OLLY MB
OLLY MB
2024-04-09
Hired Jack for a bug sweep and he came out the same day, brilliant service.
Bex Pashley
Bex Pashley
2024-04-09
Jack was polite, honest and knowledgeable. He talked me through each stage and I knew what was happening at each stage. Can’t thank him enough.
George West
George West
2024-04-09
A great private investigator. Jack was quick and efficient to deal with any questions I had. Would highly recommend.
Ferdia
Ferdia
2024-02-06
Great experience with Jack. He was very professional throughout the whole experience. Myself and my partner required his services immediately and he came asap. He was extremely professional and understanding of our situation. I would highly recommend his services :)
Jen Fyfe
Jen Fyfe
2024-02-02
A very professional experience. We found ourselves in a difficult predicament with a legal matter that required some expert input. Jack provided this efficiently, quickly and was very helpful throughout. I wouldn’t hesitate to recommend. Thanks very much.
James Hofman
James Hofman
2024-02-01
I hired Jack to trace a debtor for me. He found them the very same day and I’ve now started litigation. Thank you Jack. A top rate service.
Luke Annan
Luke Annan
2024-01-24
I couldn’t be happier with the service with NPI. Very professional and everything was explained really clearly. Great work! Would highly recommend!
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

Uncover the Truth with National Private Investigators

Our Qualities

Our team of skilled investigators, including former military and law enforcement professionals, specialise in delving into complex situations. We utilise both cutting-edge technology and time-tested techniques to shed light on the unknown, empowering you to make informed decisions.

From suspicions of infidelity to concerns about childcare or addiction within your family, we handle every case with sensitivity and discretion. Our goal is to provide you with the information you need while respecting the emotional side involved.

When your business is at stake, we’re here to help. Our corporate investigations cover a wide range of issues, from employee misconduct and data breaches to intellectual property theft. We conduct thorough investigations to protect your company’s assets and reputation.

We offer polygraph testing services for both personal and corporate matters. Whether you need to resolve a dispute or ensure honesty in the workplace, our certified examiners provide accurate and confidential results.

At National Private Investigators, we understand that every situation is unique. That’s why we offer a wide range of investigative services tailored to meet your specific needs. Whether you’re an individual dealing with a personal matter or a business facing complex challenges, we have the expertise and resources to uncover the truth.

  • Insurance investigations
  • Fraud investigations
  • Tracing services
  • Background checks
  • GPS vehicle tracking
  • Bug sweeping

No matter the depth of your situation, National Private Investigators is here to provide the answers you need. With our comprehensive range of services and a commitment to discretion and professionalism, we are your trusted partner in uncovering the truth.

Our 4-Step Process

We make the process of working with a Private Detective as simple as 1, 2, 3, 4.

1. Contact

2. Details

3. Investigation

4. Final Report

Your Trusted Partner in Hertfordshire

At NPI, trust and integrity are the cornerstones of our business. We are proud members of the Association of British Investigators (ABI) and registered with the Information Commissioner’s Office (ICO), ensuring we adhere to the highest legal and ethical standards.

Contact Us Today

Don’t let uncertainty keep you up at night. If you suspect something is amiss in your personal life or business, reach out to NPI today. Our experienced investigators are ready to help you uncover the truth and provide the answers you seek. Contact us on 020 7459 4526 for a confidential consultation.

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