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You must respond to a funding solicitation from a particular agency, because the SBIR/STTR programs do not accept "unsolicited" proposals (a proposal that does not address a topic specified in a currently open agency SBIR/STTR solicitation). Solicitations are known by many names including Request for Proposals (RFP), Funding Opportunity Announcement (FOA), Broad Agency Announcement (BAA), or simply Solicitation. No matter what it's called, this document provides the rules and guidance on how to prepare a response, also called an application or a proposal. Solicitation documents include Proposal Preparation Instructions, Application and Submission guidance, and Evaluation criteria. They typically include the specific topic areas of interest as well.

To browse through current topic areas of interest, which topics are coming up, and what topics were of interest in the past across all participating agencies, search Topic Areas. Keep in mind that some agencies have solicitations that accept proposals in broad research areas related to the agency’s mission and are not limited to a specific list of pre-determined topics.


Participating Agencies post SBIR/STTR funding opportunities on a regular periodic basis throughout the year. Some agencies have multiple solicitations throughout the year, while others may only have one solicitation release each year. Once you identify a relevant agency to target, learn more about that specific agency's process.

A visual calendar representation of the typical release schedule on upcoming funding opportunities data from the schedule table down below on this page


While there are core parts of solicitations that are the same across the SBIR/STTR programs, solicitation guidelines are quite different at different agencies, especially between agencies that provide awards as grants and those that use contracts. The solicitations and topics listed on this site are copies from agencies to be used for general planning purposes, but they may not be the most up-to-date.

For these reasons, you should visit the agency SBIR program sites to read the official version of the solicitations and download the appropriate forms and rules.


Schedule: Phase I

Department of Health and Human Services   Multiple Dates Multiple Dates
Department of Defense:  Army, DARPA   Multiple Dates Multiple Dates
Department of Defense:  21.C and 21.3 BAA  Aug-25-2021 Sept-23-2021 Oct-22-2021
Department of Agriculture   Sept-10-2021 Nov-03-2021
National Science Foundation   Sept-3-2021 Dec-02-2021
Department of Energy   Jul-2021 Feb-2022
Department of Commerce:  NOAA   Oct-2021 Jan-2022
National Aeronautics and Space Administration   Nov-2021 Jan-2022
Department of Homeland Security   Dec-2021 Jan-2022
Department of Education   Dec-2021 Jan-2022
Department of Transportation   Feb-2022 Mar-2022
Department of Commerce: NIST   Jan-2022 Apr-2022
Environmental Protection Agency   Jun-2022 Aug-2022

* Phase I Solicitation dates for DOE, NOAA, NASA, DHS, ED, DOT, DOC and EPA are estimated dates based upon their last solicitations.
*Table was last updated on 09-15-2021.

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