NAICS 541690

Other Scientific and Technical Consulting Services

Updated July 2026 — federal spending and agency data cross-checked against SAM.gov and USAspending.gov.

Specialized technical and scientific consulting services.

Federal Spending

$10B+ annually

Top Agencies

DoD, NASA, NSF

Market Outlook

Growing +5% annually. Federal R&D spending = sustained demand for technical expertise.

13 CFR § 121.201SBA Size Standard

Small Business Threshold: $19.0M

Calculated on a 5-year average annual receipts (gross). Businesses with average revenue or headcount at or below this ceiling may qualify as small businesses for prime federal solicitations assigned NAICS 541690, subject to affiliation and program rules.

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Common Federal Contracts

1

Research and development support

2

Technical analysis and studies

3

Science and engineering consulting

4

Technology assessment

Contractor Competitive Advantage

PhD-level expertise creates premium pricing. SBIR/STTR grants available for R&D firms. High contract values.

Relevant Certifications

8(a)

WOSB

Top Procuring Agencies

How to Win in This Sector

  1. 1. Verify Your NAICS: Make sure this NAICS code matches your primary business activity. You can only claim set-asides for your primary NAICS.
  2. 2. Apply for Certifications: Most contracts in this sector allow 8(a), WOSB, HUBZone, or SDVOSB certifications. These give you advantages in bidding.
  3. 3. Target Top Agencies: Identify the top 3 agencies hiring in this sector and research their procurement needs.
  4. 4. Assess Your Advantage: Review the competitive advantages above and determine how your firm differentiates.
  5. 5. Build Relationships: Attend industry days, connect with contracting officers, and respond to RFIs (Requests for Information).
Frequently Asked Questions

Everything You Need to Know Before Bidding

Straight answers on data privacy, free trial access, and federal contracting workflows.

NAICS 541690 covers Other Scientific and Technical Consulting Services: Specialized technical and scientific consulting services. Federal agencies spend $10B+ annually annually on contracts in this category.

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