Investigation and Personal Background Check Services

📘 Source: U.S. Census Bureau — 2022 NAICS Manual

This U.S. industry comprises establishments primarily engaged in providing investigation, detective, and personal background check services. Illustrative Examples: Fingerprint services Private detective services Polygraph services Private investigative services (except credit)

NAICS code 561611 — Investigation and Personal Background Check Services — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Investigation and Security Services space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of $25M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 561611.

What is NAICS code 561611?

NAICS code 561611 is 'Investigation and Personal Background Check Services', classified under the Administrative and Support and Waste Management and Remediation Services sector (NAICS 56). This U.S. industry comprises establishments primarily engaged in providing investigation, detective, and personal background check services. Illustrative Examples: Fingerprint services Private detec

What is the SBA small business size standard for NAICS code 561611?

The SBA defines a small business under NAICS code 561611 (Investigation and Personal Background Check Services) as one with $25M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 561611 in SAM.gov?

To register NAICS code 561611 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 561611 (Investigation and Personal Background Check Services) to your NAICS code list. You may designate one code as your Primary NAICS code.