Others just watch. We investigate.

National Special Investigations Unit specializes in surveillance and other services catered to risk managers and insurance professionals.

Our goal is to provide you with effective evidence for uncovering the truth. We accomplish this through covert surveillance and first-rate investigative services completed in a proficient and timely manner.

We have licensed Investigators in all 50 States

Welcome to National SIU

Private Service Division

National SIU’s Private Services Division is your complete solution for retrieving effective legal and factual evidence. With over 20 years of experience in private investigation, we have the expertise, technology, and resources to uncover the truth.

Celebrating Over 20 Years of Investigative Excellence.

We consistently provide our clients with

A clear and functional
investigation
Prompt turnover of
evidence

Same-day status on all investigations

Flat-rate pricing, which includes 4 or 8 hours of on-site covert surveillance per day and all related expenses

Private Services

Investigative Services

In addition to these services, we offer a full array of investigative solutions that are catered to the needs of our clients. Our goal is to provide a thorough investigation that produces solid evidence to support our conclusions.

Let Our Experts Produce the Evidence You Need
Thinking about conducting an investigation on your own? Don’t take the risk. Without the proper skills, technology, or knowledge of privacy laws, you could get into trouble with police, or even end up with a lawsuit on your hands. Our investigators have the expertise to produce better results in a fraction of the time, while conducting a lawful, ethical investigation.

National SIU also provides international private investigators, with exceptional skills and training to offer unparalleled investigative solutions, and help clients save time. Our investigative experts are trained to have a keen eye for detail, and they are required to have a degree in criminal justice. Our services have proven to be helpful for investigating many cases, and our innovative methods always get the job done.

Check out our Videos

Testimonials