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“Perfect service and communication! Exceeded expectations in every way. Highly recommend!!”
— Client Review
When you're dealing with sensitive, high-risk situations-whether it's internal theft, corporate fraud, infidelity, or locating a key witness-choosing the right investigative services firm isn't just important. It's everything.
The truth is, not all private investigators are created equal. Many operate with limited resources, outdated methods, or a one-size-fits-all approach. That's where National Business Investigations, Inc. (NBI) sets itself apart.
With over 50 years of experience, a proven national reputation, and a full team of licensed professionals, NBI delivers results where others fall short-because the work we do isn't just about gathering information. It's about delivering clarity when it matters most.
Since 1967, NBI has been one of the most trusted names in private investigations nationwide. With over half a century of experience, our firm has seen it all-from complex corporate fraud investigations to discreet domestic surveillance.
Our long-standing success comes down to one thing: results built on professionalism, discretion, and detail.
Unlike smaller firms or solo investigators, NBI is powered by a full team of seasoned experts, including field investigators, research analysts, surveillance professionals, and case managers. That means your case gets the depth, attention, and resources it deserves-without delays, dropped leads, or shortcuts.
NBI is fully licensed and insured, and every investigation is conducted with the highest ethical and legal standards. We don't cut corners or rely on speculation. We build our investigative services cases using admissible evidence, detailed reporting, and real-world intelligence that holds up in court-and in critical business decisions.
We combine traditional investigative experience with advanced tools and modern techniques. Whether it's digital surveillance, skip tracing, asset recovery, or background research, we use industry-leading software, data intelligence platforms, and time-tested field strategies to uncover the truth quickly and accurately.
We handle cases across all 50 states, with strategic partners and resources available wherever the case leads. At the same time, we bring a personal, tailored approach that ensures your unique situation gets the attention it deserves.
When something's on the line-your business, your reputation, your family-you can't afford guesswork. You need a partner who understands what's at stake, who listens, and who delivers actionable, concrete answers.
That's why NBI exists. Because the truth isn't always easy to find-but we know how to find it.
When you choose National Business Investigations, Inc., you're not just hiring a private investigator. You're gaining a team of dedicated professionals committed to protecting what you value most-your reputation, your relationships, your business, and your peace of mind.
Get in touch today for a confidential consultation.
Real investigators. Real experience. Real answers. That's the NBI difference.
Focused investigative support for complex, high-stakes matters.
Witness locates, interviews, evidence recovery, financial records investigations, cyber crimes, and asset search & recovery.
Explore Legal Investigations >>Validate claims, identify red flags, document activity, and support defensible decisions in potential fraud matters.
Explore Insurance Investigations >>Executive background investigations, due diligence, business intelligence, theft, computer forensics, and protection support.
Explore Corporate Services >>Gather the investigative information needed to evaluate legitimacy and disability level with clarity and confidence.
Explore Workers Comp Support >>Pre-litigation, mid-case, or post-judgment—identify where assets may reside to support appropriate strategy and settlement.
Explore Asset Discovery >>Obtain evidence that may not otherwise be provable in or out of court—especially when other methods fall short.
Explore Surveillance >>Having been in business for decades, we know there are many investigation companies you can call on. One does not thrive for over fifty years in this industry without a foundation of honesty, integrity, and professionalism.
We can never promise results—but we always guarantee our performance. If you are not happy with our performance, you only pay what you believe our investigation is worth.
Contact us to get started and find out why clients choose NBI for high-accountability investigative support.

By: Michael D. Julian

By: Michael D. Julian