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SBIR/STTR Phase II

Phase II is focused on the development, demonstration, and delivery of a technology innovation. These awards are made to small businesses (and their research institution partners in STTR) who successfully demonstrated the feasibility of their technology idea during Phase I. Only small businesses that were awarded a Phase I are eligible to apply for Phase II.

See our 2025 STTR Phase II Solicitation below!

Learn the basics of SBIR/STTR on SBIR.gov about SBIR/STTR Phase II

NASA Investment

Up to $1,275,000

Available to

Small Businesses

SBIR Period of Performance

24 months

STTR Period of Performance

24 months

Latest SBIR/STTR Phase II Selections

July 21, 2026 | 2025 SBIR Phase II

NASA selected 98 proposals from U.S. small businesses in 28 states to receive 2025 SBIR Phase II awards. These proposals have a potential value of approximately $116 million to benefit NASA and grow the economy. After proving their concepts during Phase I, these small businesses will now get the chance to develop their technology prototypes in areas such as nuclear and solar power generation, spacecraft sterilization, and more. Read more about the awardees and their technology proposals in the 2025 NASA SBIR Phase II Selections (Selected July 2026) attachment below.

April 14, 2026 | 2024 STTR Phase II

NASA selected 17 proposals from U.S. small businesses and their research institution partners to receive 2024 STTR Phase II awards worth up to $850,000 each plus up to $50,000 in Technical and Business Assistance (TABA) funds. After proving their concepts during Phase I, these small businesses will now get the chance to develop their technology prototypes for applications like additive and in-space manufacturing as well as detection and tracking of severe storms on Earth. Read more about the awardees and their technology proposals in the  2024 NASA STTR Phase II Awardees (Selected April 2026) attachment below. 

Note: Phase II solicitations prior to 2022 were included in the Phase I solicitations

Looking for awardees prior to 2021? Search for them on SBIR.gov