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Our reputation is built on trust, discretion, and results. Explore genuine testimonials from clients who have experienced the NBI difference.

Reviews are independently gathered via Google • All feedback is from verified clients.

Discerning Results. Discreet Approach.

Confidentiality is the cornerstone of our client relationships. Should you require private references from attorneys, family offices, or distinguished clients, we can arrange secure introductions upon request.

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Every investigation starts with a commitment…
and ends with a guarantee.

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.

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“Perfect service and communication! Exceeded expectations in every way. Highly recommend!!”

— Client Review

“Very professional, great customer service. I would use them again.”

— Client Review

“Outstanding service. Professional and diligent.”

— Client Review

We’re ready to work with you. Are you ready?

Contact us to get started and find out why clients choose NBI for high-accountability investigative support.

Recent NBI Insights



California Surveillance and Recording Laws: What Private Investigators Can and Cannot Do

California Surveillance and Recording Laws: What Private Investigators Can and Cannot Do

California is a two-party consent state. Learn what California surveillance and recording laws mean for private investigations, evidence, and admissib…

By: Michael D. Julian

How to Hire a Licensed Private Investigator in California: What to Verify Before You Sign

How to Hire a Licensed Private Investigator in California: What to Verify Before You Sign

California licenses private investigators through BSIS, and the license number is only the first thing to check. Here is how to verify a firm, what a …

By: Michael D. Julian

Wage-and-Hour and PAGA Claims in California: What an Investigator Adds to the Defense File

Wage-and-Hour and PAGA Claims in California: What an Investigator Adds to the Defense File

California wage-and-hour and PAGA claims are decided on records and witnesses. Here is what a licensed investigator contributes to the defense file, f…

By: Michael D. Julian

You Won the Judgment. Now What? Post-Judgment Asset Investigations in California

You Won the Judgment. Now What? Post-Judgment Asset Investigations in California

A California money judgment is enforceable for ten years, but only if you can find something to collect. Here is how post-judgment asset investigation…

By: Michael D. Julian