GRAND ISS strives to be more than a traditional private investigative and security services company. Our "Total Case Management" solution is an innovative method to consolidate and advance seamless service delivery. Employing this comprehensive approach gives us a powerful service edge capability to be more responsive to our clients’ priorities.

We offer a full package consisting of accomplished professionals experienced in every imaginable investigative and security specialty niche, experts encompassing the broad spectrum of forensic sciences, and highly affordable advanced technologies to empower capacity.

GRAND ISS is readily available for businesses, governments and individuals regardless of case size, complexity, or advanced techniques required.

So whether our clients need one or a multitude of services, they only need contact one company
– just one –
who delivers on all… GRAND ISS



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On this website, the terms "Grand" "the company," "we," "us" or "our" refer to Grand Investigative Services Corporation d/b/a Grand ISS and/or its subsidiaries or affiliates. The Investigative, Security, Forensic and or related Technology programs described on this website are owned and/or operated by subsidiaries and affiliates or subcontracted services of Grand ISS.