Our business works one way and one way only: building lasting relationships of trust with clients who depend on us to do things right.
It’s the simplest equation: add value with the highest integrity. Since our founding in 2008 by Richard J. Marquez, a proud minority business owner, our vision has been clear and consistent: provide the highest quality investigation, using the best resources.
We don’t sacrifice relationships or the quality of our investigations. Diligence is built upon values that mean everything to us. Our business models only work when we give clients the highest value – above and beyond what they expect.
Thousands of cases, decades of real–world experience and state–of–the–art technology.
Getting to the truth is our deepest passion, sharing facts with our clients is our purpose.
Client confidently make sound judgments supported by the information we provide.
Reliably providing facts to decision makers is a responsibility we take seriously.
Persistence is in our DNA, we let nothing get in the way of discovering the truth.
Face–to–face, or a phone call away. Communication enhanced with your constantly updated client portal.
Diligence is a forward–thinking company. We’ve created a place where passionate people love coming to work, produce world–class results for clients and treat each other like family.
See what we’re up to and stay informed with Diligence’s latest updates.
Every one of our projects starts by listening to you, our client. Once we understand your needs, we will craft the optimal solution for your unique circumstance.
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Diligence International Group, LLC
16475 Dallas Parkway, Ste 560 Addison, Texas 75001
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