National Security & Investigation Services, LLC, Logo

Phone Icon (346) 262-0179


Making Individuals Feel Safe & Investigating Private Cases

At National Security & Investigation Services, LLC, in Houston, your privacy and protection are our top priorities. We work tirelessly to guard or uncover whatever you need to feel safe and secure. Our team specializes in hand-to-hand combat and uses private investigation techniques to maintain your safety.


Personal Security

We offer comprehensive bodyguard services for high-profile individuals. Anything you need, from transportation to guarding in public spaces, is handled by our officers for the duration of the contract. Every officer completes state training and a specialized school program through the United Sources of Texas Education Center.

Private Investigation

Obtain the answers you seek and the justice you deserve by working with our persistent investigators who are able to crack any case, from spousal infidelity to false police claims. We shadow, track, and pull records from background checks to acquire the necessary information. Our satisfaction rate is 95%.

Private Investigation Services