“Perfect service and communication! Exceeded expectations in every way. Highly recommend!!”
— Client Review
In the legal world, facts are everything-but uncovering the truth requires more than assumptions and paperwork. It requires actionable intelligence, verified evidence, and meticulous discretion. That's where legal investigations come in.
Whether you're an attorney preparing for trial, a business facing internal fraud, or a private client dealing with a sensitive dispute, professional legal investigations can mean the difference between success and setback.
At National Business Investigations (NBI), we've been providing trusted investigative support since 1967, with a proven track record of helping law firms, corporations, and individuals uncover the truth-discreetly, legally, and efficiently.
Whether you're preparing for litigation, managing a corporate concern, or dealing with a private dispute, NBI is here to help you move forward with confidence.
👉 Contact us today to schedule a confidential consultation today.
NBI - The Truth Is Our Business.
Michael D. Julian is President of MPS Security & Protection and a 30-plus-year veteran of the security and investigations industry. He served as President of the California Association of Licensed Investigators (CALI) from 2005 to 2015 and has led executive protection, residential security, and corporate investigations engagements for Fortune 500 principals, high-net-worth families, and public figures across the United States. Connect with Michael on LinkedIn.
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.

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

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

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

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