North American Investigations

Our firm offers an array of services, including surveillance, matrimonial/infidelity, criminal, missing person investigations, and background checks. We are a licensed and bonded private investigator firm that has been conducting professional investi...

Our firm offers an array of services, including surveillance, matrimonial/infidelity, criminal, missing person investigations, and background checks. We are a licensed and bonded private investigator firm that has been conducting professional investigations and surveillance worldwide for over 45 years. We have the private detectives, resources, and knowledge you need for any one of our personalized services. NAI has set the standard in the industry with our proven methods and results. Our private investigators have the credentials and expertise needed, having solved thousands of cases for our clients. We will gather the evidence needed to solve your case. With thousands of satisfied clients, we are the private eyes to count on for help.