NSF SBIR/STTR

Key information

Scope

Phase I, Phase II and Fast-Track for high-risk technology development.

Eligibility

Eligible U.S. small businesses with no more than 500 employees, including affiliates. STTR requires a research institution partner. The PI’s primary employment must be with the company.

Entry requirement

Phase I and Fast-Track require a Project Pitch invitation. Phase II is restricted to NSF Phase I awardees. Check invitation validity before choosing a deadline.

Funding & duration

Phase I: up to $305,000 over 6–18 months. Phase II: up to $1.25 million, typically 24 months. Fast-Track amounts differ between the solicitation’s summary and detailed text; confirm with NSF before budgeting.

Future deadlines

November 4, 2026; March 4 and July 7, 2027. Full proposals are due at 5 p.m. submitting organization’s local time.

Application

Complete SAM.gov, Research.gov and SBA company registrations. Submit through Research.gov, following the solicitation and proposal preparation guidance.

Review

Scientific merit, societal benefit and commercial potential. No voluntary committed cost sharing.

Contact

sbir@nsf.gov

Summary checked September 12, 2026. The official announcement, amendments and application guide govern eligibility and submission requirements.