Investigation Services

The U.S. Government employs millions of people who perform vital missions in support of our country’s national security and interests. CACI is the company customers trust to deliver quality, timely, and thorough investigation services for national security missions. Our investigators serve as the first line of defense to protect the nation.

Investigation Services

CACI is an industry leader in delivering quality, timely investigations for the Department of Defense, Intelligence Community (IC), and U.S. Government customers. We have more than 17 years of investigative services experience with the U.S. Government, which has refined our business processes to enable us to deliver innovative solutions that continuously improve our procedures.

What makes CACI different is our people. We have more than 1,000 investigators on staff for scalable support nationwide, including in U.S. territories.

Learn More


CACI consistently delivers high-quality and timely investigations because of the processes we follow and the discipline we instill across all aspects of our work – from training through each step of the investigation process to managing our workforce.

Additionally, CACI offers customers:

  • Full lifecycle support: CACI offers support through all phases of investigative services from investigations through adjudication
  • Mission expertise: Proven ability to deliver all tiers of investigations in compliance with Federal Investigative Standards, Intelligence Community Directive 704, and Security Executive Agent Directive-4
  • Experience: More than 1 million background investigations completed
  • Metrics Analysis: A focus on metrics through artificial intelligence and predictive analytics to forecast needs allows us to model output and scale services appropriately
  • Targeted and continuous learning: We are constantly evaluating our processes and incorporate a continuous feedback loop that keeps our investigators at the leading edge of investigative practices

We measure all aspects of the investigative process, driving delivery and accountability to meet the high standards that our customers depend on.


For more information, please contact:

Andy Butler

Interested in a career in investigative services? Be sure to visit our careers page to learn more.

Invent Your Future

Your potential is limitless.
So is ours. 

Browse careers at CACI