Investigation and Personal Background Check Services — NAICS 561611
Browse federal contract opportunities classified under NAICS code 561611 (Investigation and Personal Background Check Services). Find active solicitations on SAM.gov, understand size standards, and discover set-aside opportunities for your business.
About NAICS 561611
Investigation and Personal Background Check Services. This industry falls under the Administrative and Support and Waste Management sector (NAICS codes beginning with 56).
Federal agencies use NAICS code 561611 when posting contract opportunities on SAM.gov to classify the type of work being solicited. Businesses that operate in the investigation and personal background check services space should include this code in their SAM.gov registration and capability statements to ensure they appear in relevant searches.
How to Use NAICS 561611 in Federal Contracting
To compete for federal contracts under NAICS 561611, your business should be registered in SAM.gov with this NAICS code listed in your entity profile. When agencies post solicitations for investigation and personal background check services work, they reference this code to determine the applicable small business size standard and any set-aside eligibility.
If you hold certifications such as 8(a), HUBZone, SDVOSB, or WOSB, you may be eligible for set-aside contracts under this NAICS code. These set-asides limit competition to certified small businesses, giving you a significant advantage in winning federal work.
FedOverwatch monitors SAM.gov daily and can automatically match you with new opportunities under NAICS 561611. Set up your profile with your NAICS codes and certifications to receive personalized contract alerts.
NAICS 561611 Market Intelligence
Based on 3 years of federal award data from USAspending.gov, the investigation and personal background check services market has seen 3,922 contract awards totaling $2.2B in value. The median contract size is $5K, with approximately 109 new awards per month.
Total Awards (3yr)
3,922
Total Value
$2.2B
Median Contract
$5K
Competitors
357
Contract value distribution
3,014 small business awards ($797.0M total value,$4K median)
357 companies compete for NAICS 561611 contracts
See who's winning, their award values, and where you fit in the market
Explore CompetitorsSize Standards
The SBA establishes size standards for each NAICS code to define what qualifies as a "small business" for federal contracting purposes. For NAICS 561611 (Investigation and Personal Background Check Services), the size standard is based on either average annual receipts or number of employees, depending on the specific industry. Meeting the size standard for your primary NAICS code is required to qualify for small business set-aside contracts.
Visit the SBA Size Standards Table to find the current threshold for NAICS 561611.
Recent NAICS 561611 Opportunities
View all →The Department of Justice is procuring background investigative services through a multiple award contract. The key requirements include providing thorough background checks and investigations for various federal agencies, ensuring compliance with security standards and regulations.
Frequently Asked Questions
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Set up your profile with your NAICS codes and certifications, and FedOverwatch will automatically match you with relevant investigation and personal background check services opportunities as they're posted on SAM.gov.