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SBIR & STTR Grants Complete Guide

Everything you need to know about Small Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) grants. Win up to $1.7M in federal R&D funding.

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$4.1B+
Annual SBIR/STTR Awards
11
Federal Agencies Participating
$1.7M
Maximum Phase II Award
23%
Average Success Rate

What are SBIR & STTR Grants?

SBIR (Small Business Innovation Research)

Federal program that encourages domestic small businesses to engage in R&D with commercialization potential.

  • • Small business must own 51%+ of the company
  • • Focus on innovation and commercialization
  • • No required partnerships
  • • Principal investigator must be primarily employed by the small business
STTR (Small Business Technology Transfer)

Requires partnership between small business and research institution to foster technology transfer.

  • • Required partnership with research institution
  • • Small business performs 40%+ of work
  • • Research institution performs 30%+ of work
  • • Promotes technology transfer from academia

SBIR/STTR Three-Phase Structure

Phase IProof of Concept
Funding: $50K - $300K
Duration: 6-12 months
Focus: Feasibility

Establish technical merit, feasibility, and commercial potential. Determine if the research idea has merit and if the company can perform the research.

Phase IIDevelopment & Prototype
Funding: $750K - $1.7M
Duration: 24 months
Focus: Development

Continue R&D efforts, build prototypes, and demonstrate commercial potential. Only Phase I recipients can apply for Phase II.

Phase IIICommercialization
Funding: Private/Other Sources
Duration: Ongoing
Focus: Market Entry

No SBIR/STTR funds provided. Companies pursue commercialization through private investment, partnerships, or federal contracts.

Participating Federal Agencies

Major SBIR/STTR Agencies:

  • Department of Defense (DoD) - $1.8B annually
  • National Institutes of Health (NIH) - $900M annually
  • National Science Foundation (NSF) - $200M annually
  • Department of Energy (DOE) - $150M annually
  • NASA - $130M annually

Other Agencies:

  • Department of Agriculture (USDA)
  • Department of Homeland Security (DHS)
  • Department of Transportation (DOT)
  • Environmental Protection Agency (EPA)
  • Department of Education (ED)

Eligibility Requirements

✅ You Must Be:

  • Small Business: ≤ 500 employees, for-profit company
  • US Owned: ≥ 51% owned by US citizens or permanent residents
  • Principal Investigator: Primarily employed by your company
  • R&D Focus: Conducting research with commercial potential

❌ Restrictions:

  • No Large Businesses: Cannot be majority-owned by large companies
  • No Foreign Ownership: Cannot be majority foreign-owned
  • No Current Federal Funding: Cannot use other federal funds for same work
  • Employee Limit: Must maintain small business status throughout

Ready to Apply for SBIR/STTR Grants?

Get our step-by-step application guide with checklists, templates, and proven strategies to maximize your chances of winning.

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Last updated: January 2025

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