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NSF SBIR/STTR (America's Seed Fund)

NSF STTR Phase II

Funds United States deep-tech projects that continue with nonprofit research partners after successful initial feasibility work.

Between cyclesNational Science FoundationUnited States

NSF STTR Phase II is the Small Business Technology Transfer continuation award for companies that have completed an NSF STTR Phase I project in partnership with a qualifying non-profit research institution. The program operates under the same solicitation family as NSF SBIR (NSF24-580 governs Phase II for both tracks) and offers an identical base award of up to $1,250,000 over 24 months, with a fu…

Continuation of a successful NSF STTR Phase I project with ongoing partnership between the small business and the non-profit research institution.

CycleiHow often this grant runs — e.g. annually, on a rolling basis, or a one-off call.Multiple per year
Next deadlineiThe next date applications are due. Rolling means you can apply any time.4 Dec 2026
Decision timeiTypical time from the deadline to the funder's decision.28 weeks
Project durationiHow long the funded work is expected to run.24 months
Award typeiThe form of funding — grant, equity, loan, tax credit, etc.Grant
Match fundingiThe share of project costs you must cover yourself. 0% = fully funded.0%
Funding pooliThe total budget available across all awards in this round.$15M

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Last verified: 22 Jul 2026Source: new.nsf.gov