Federal NAICS Codes

NAICS 561611: Investigation and Personal Background Check Services

Explore obligations, trends, recent awards, and incumbent contractors for NAICS 561611.

NAICS 561611 federal market metrics

Total obligations
$15.5B
Total awards
24,876 awards
Active obligations
$2.4B
Size standard
$25,000,000 receipts

What this NAICS covers

NAICS 561611 covers investigation and personal background check services, including criminal history searches, employment and education verification, reference interviews, identity validation, record collection, surveillance, and preparation of investigative reports and case files.

Federal opportunities under 561611 typically involve vetting individuals for suitability or program integrity by assembling verified background files, delivering investigator findings, supporting adjudication with corroborated records, and meeting required timelines and chain-of-custody protocols.

FY2026 snapshot

Obligations
$343.1M
Awards
579
Average award
$592.6K
Change from FY2025
+86.2%

Recent awards

Search contractors

$10,000

LPE-Strategies LLC

Food and Drug Administration

PIID
75F40126F19009
PSC
H399 - INSPECTION- MISCELLANEOUS

$7,987,448

PERATON RISK DECISION INC.

US Immigration and Customs Enforcement

PIID
70CMSD26FC0000065
PSC
R615 - SUPPORT- ADMINISTRATIVE: BACKGROUND INVESTIGATION

$24,500

GLOBAL TRAVELER LLC

US Coast Guard

PIID
70Z03926PCGA00094
PSC
R615 - SUPPORT- ADMINISTRATIVE: BACKGROUND INVESTIGATION

FAQ

What work fits NAICS 561611?
  • Pre-employment background investigations including fingerprinting, national criminal database searches, and verification of prior employment and education.
  • Periodic reinvestigations and credential revalidation for personnel in sensitive positions with updated identity, financial, and criminal record checks.
  • Targeted investigative services such as locating and interviewing references, corroborating credentials, and producing investigative reports for adjudicators.
  • Automated and manual record searches combined with retrieval of court, driving, and federal records to assemble adjudication packages.
When is NAICS 561611 a weak fit?
  • Continuous protective or executive security: contracts that provide ongoing physical protective details rather than discrete investigative reports and background checks.
  • Forensic laboratory analysis: lab testing of physical evidence without investigative case development, record checks, or background verification deliverables.
  • Internal human resources reference checks limited to basic employment verification performed without investigative record retrieval or adjudication support.
What solicitation language points to NAICS 561611?
  • Statement of work lists required background components such as fingerprinting, criminal database searches, identity verification, and adjudication-ready deliverables.
  • Security and privacy provisions require data protection measures, compliance with privacy laws, and documented chain-of-custody for sensitive records.
  • Evaluation criteria prioritize investigator qualifications, demonstrated case management systems, turnaround times for checks, and documented procedures for producing adjudication packages.

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