Federal NAICS Codes

NAICS 541690: Other Scientific and Technical Consulting Services

Explore obligations, trends, recent awards, and incumbent contractors for NAICS 541690.

NAICS 541690 federal market metrics

Total obligations
$52.2B
Total awards
58,183 awards
Active obligations
$5.8B
Size standard
$19,000,000 receipts

What this NAICS covers

NAICS 541690 covers scientific and technical consulting services not classified elsewhere, providing expert analysis, technical advice, feasibility assessments, and implementation support on specialized scientific or technical problems for clients across research, policy, and operational contexts.

Federal opportunities under 541690 typically involve contracting subject-matter expertise to identify problems, deliver technical assessments, develop options and recommendations, and support agency decision-making with reports, briefings, technical specifications, or implementation guidance.

FY2025 snapshot

Obligations
$994.5M
Awards
1,518
Average award
$655.1K
Change from FY2024
-57.9%

Recent awards

Search contractors

$101,600

NATIONAL ACADEMY OF SCIENCES

National Oceanic and Atmospheric Administration

PIID
1305M326F0126
PSC
R499 - SUPPORT- PROFESSIONAL: OTHER

$74,425

PUNDIR GROUP, INC

Public Buildings Service

PIID
47PD5426F0212
PSC
Z1AA - MAINTENANCE OF OFFICE BUILDINGS

$693,828

VERSAR, INC.

Food and Drug Administration

PIID
75F40126C00062
PSC
B529 - SPECIAL STUDIES/ANALYSIS- SCIENTIFIC DATA

$100,000

BIOIMAGE SOLUTION LLC

National Institutes of Health

PIID
75N98026P01012
PSC
R425 - SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL

$75,140

NATIONAL ACADEMY OF SCIENCES

National Oceanic and Atmospheric Administration

PIID
1305M326F0115
PSC
R499 - SUPPORT- PROFESSIONAL: OTHER

$188,564

KELLY SERVICES, INC.

National Institutes of Health

PIID
75N95026F00040
PSC
R499 - SUPPORT- PROFESSIONAL: OTHER

FAQ

What work fits NAICS 541690?
  • Provide independent technical assessments of research methodologies, data quality, and experimental design for funded research efforts.
  • Develop risk assessments and mitigation plans for complex scientific programs or technical portfolios.
  • Define technical readiness criteria, test milestones, data-quality measures, and outcome indicators for science and technology portfolios.
  • Staff and support technical advisory panels, peer review panels, and expert consultant reviews for program decision cycles.
When is NAICS 541690 a weak fit?
  • Experimental research and development with sustained laboratory facilities and prototype development; missing the R&D and prototype fabrication element that places work under R&D NAICS.
  • Long-term systems engineering and integration that requires equipment procurement, installation, and lifecycle support; lacking procurement and integration deliverables moves scope out of this code.
  • Recurring accredited laboratory testing and certified analytical services that require laboratory accreditation and routine sample processing; this code excludes recurring laboratory certification obligations.
What solicitation language points to NAICS 541690?
  • Statement of work requests subject-matter expert deliverables such as white papers, technical recommendations, and short-term advisory reports with limited period of performance.
  • Labor categories list senior consultants, technical advisors, and subject-matter experts rather than engineering or bench-science technician positions.
  • Evaluation criteria emphasize quality of technical advice, past performance on advisory engagements, and proposed approach to assessments rather than prototype delivery or equipment procurement.

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