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
$52.5B
Total awards
58,460 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
$1B
Awards
1,521
Average award
$672.9K
Change from FY2024
-57.4%

Recent awards

Search contractors

$188,431

AXLE INFORMATICS, LLC

National Institutes of Health

PIID
75N98026F00003
PSC
R499 - SUPPORT- PROFESSIONAL: OTHER

$177,830

KELLY SERVICES, INC.

Office of the Assistant Secretary for Financial Resources (Asfr)

PIID
7571PS26F68042
PSC
R499 - SUPPORT- PROFESSIONAL: OTHER

$142,908

KELLY SERVICES, INC.

Office of the Assistant Secretary for Financial Resources (Asfr)

PIID
7571PS26F80048
PSC
R408 - SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT

$66,206

ALYSON WILDER YATES

US Geological Survey

PIID
140G0226P0218
PSC
B529 - SPECIAL STUDIES/ANALYSIS- SCIENTIFIC DATA

$143,136

KELLY SERVICES, INC.

Office of the Assistant Secretary for Financial Resources (Asfr)

PIID
7571PS26F80051
PSC
R499 - SUPPORT- PROFESSIONAL: OTHER

$238,022

KELLY SERVICES, INC.

Office of the Assistant Secretary for Financial Resources (Asfr)

PIID
7571PS26F68006
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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