Investigation Services


ACI Federal™ is the premier contractor for delivering accurate investigation services to the Inc 500, U.S. Federal, State, and Local Agencies, with fully trained and cleared Special Agents & Private Investigators in all 50 states and territories.

Our broad range of background screening services has successfully assisted US Federal, State, and Local Agencies meet the mandated requirements with emphasis on accuracy and integrity.

ACI Federal™ offers value-added services focused on Private Investigation & Special Agent Services, Drug Testing, OPM Validation, Employment Physicals, Social Security Tracing, and Form I-9 solutions, offering all of our customers a single provider for many of their most fundamental screening and on-boarding processes. We offer;

  • Private Investigators
  • Criminal Background Checks
  • Identity & Social Security Tracing
  • Extensive Historical Background Checks
  • Drug & Health Screening
  • I-9 & E-Verify Candidate Experience
  • Extended Workforce Screening
  • Executive Intelligence
  • Adjudication Adverse Action
  • Technical Surveillance & Countermeasures
  • Computer & Mobile Forensics
  • Social Media & Mega Data Profile Mapping
  • DHS ICE / CBP  Investigators 
  • OPM Background Investigators 
  • Special Agents