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National Business Investigations, Inc (NBI), a family owned and operated, full service investigations firm since 1967, focuses on corporate, legal, insurance and personal investigations.

Clients engage NBI to perform investigations for Asset Discovery & Recovery, Witness Locates, Due Diligence, Business Intelligence, Pre-employment Screening and Complete Background Searches, Workers Compensation and General Liability Defense and Fraud, Theft, Title VII Workplace Investigations, Undercover Operations, Civil Litigation Support, Surveillance and Domestic Investigations throughout the US.
Services
National Business Investigations, Inc. (NBI) is a full-service investigations firm focused on corporate, legal, insurance, and personal investigations. Our clients engage NBI Investigators to perform investigations for business intelligence, counter industrial espionage, personal and criminal background investigations, AOE/COE investigations, and fraud.
Surveillance is an additional tool that investigators use in the course of obtaining evidence. Surveillance is conducted when other investigative methods may have failed or cannot obtain pertinent evidence. Surveillance can be "static" or "mobile" and can involve one person or a team. Color video or photographic stills are obtained depicting a course of events to be used as evidence in a civil or criminal action, hearing, or for any other managed dispute resolution.Surveillance can be used in virtually any investigation; however, it is the quality and experience of the investigator that makes the ultimate difference in value of evidence obtained.
Hiring a corporate executive can be an expensive mistake if the wrong person is hired. National Business Investigations provides due-diligence background investigations for all levels of employment, including C-Level Executives. Our access to information sources and skilled investigators can assist your Executive Search Team in preparing personnel portfolios to present to Executive Boards, allowing you to properly gauge your candidates and narrow down the best people for the job.National Business Investigations can work with HR staff, Risk Managers and Security Directors to develop counter-espionage strategies or investigate an ongoing situation.
When clients and their lawyers are challenged with elaborate and complicated disputes, they call National Business Investigations, Inc. (NBI) to investigate. We triple check the facts and, by doing so, uncover secrets and truths. We work closely with our clients and their lawyers to distinguish pertinent facts from the fallacious.
Reviews (6)
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Candace Carr
Feb 26, 2020
Perfect service and communication! Exceeded expectations in every way. Highly recommend!
L. Borgens
Jan 31, 2020
Thanks for providing an outstanding service! Keep up the good work.
Diedre Quenell
Aug 20, 2019
NBI is dedicated to providing excellent service. Are you looking for Legal, Insurance or Corporate Investigations, Surrveillance, Pre-Employment Checks, Background Investigations, Locate Services or Asset Searches? NBI is a family owned and operated firm that has been in business for over 51 years. Call today and let us know how we can assist you with your investigative needs.
Rhonda Warner
May 26, 2015
The Murrieta Chamber of Commerce has been using National Business Investigations for years and there is a reason why. It's because they are the best! We help to run a three day Irish Music Festival in our City and always trust this company with all of our security needs. Their staff is fully in charge of making sure our event runs smoothly for all staff, volunteers and the public.

The attendance this year was 8,000 people and not one problem. They are professional and friendly-always! But can flex the muscle if ever needed. We highly recommend National Business Investigations! Rhonda Warner VP Operations Murrieta Chamber of Commerce
Cara Tavaglione
Feb 04, 2015
Very Professional, Great customer Service, I would use them again.
Lisa Pons
Dec 10, 2014
NBI is a great place to work. We care about our clients and the service they receive and take pride in doing the best job possible. Give us a call and let's discuss the excellent service we can provide for you and your company!