


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!
NASA Investment
Up to $1,275,000
Available to
Small Businesses
SBIR Period of Performance
24 months
STTR Period of Performance
24 months
Program Year 2026 Information Hub
This year, the NASA SBIR/STTR program is undergoing a change from our traditional solicitation cycle to a Broad Agency Announcement, or BAA. Click the link below to learn more.
Learn More
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.












