Small Business Grants in Illinois
As of October 26, 2026, FundingLandscape lists 30+ small business grants in Illinois as open. Check the official notices for current details. Of the 15 with a fixed deadline, 3 close within the next 14 days and 5 close within 30 days. Among the 10 that publish an award ceiling, the median is $712.5K. Where eligibility is stated (19 of 30), the most common applicants are nonprofits, small businesses, and for-profit businesses.
Updated daily. Listings past their deadline are removed; confirm details on the funder page.
Each listing opens a detail page with a link to its official source.
Open Small Business Opportunities in Illinois
- Small Business Innovation Research / Small Business Technology Transfer Phase I, Phase II, Fast-Track Programs : A Pilot Emphasis on Scientific Instrumentation.
National Science Foundation · Deadline: Nov 4, 2026
- Small Business Innovation Research / Small Business Technology Transfer Phase I, Phase II, Fast-Track Programs SBIR/STTR: Developing Deep Technologies that Advance U.S. Competitiveness and Security
National Science Foundation · Deadline: Nov 4, 2026 · Up to $2,000,000
- SBIR FY26 Phase I Broad Agency Announcement
ENVIRONMENTAL PROTECTION AGENCY · Deadline: Nov 9, 2026
- Limited Competition: NIH Research Evaluation and Commercialization Hubs (REACH) (SB0 Clinical Trial Optional)
National Institutes of Health · Deadline: Nov 10, 2026
- Inspire Grants for Small Museums (2027)
Institute of Museum and Library Services · Deadline: Nov 13, 2026 · Up to $75,000
- NIH, CDC and FDA Small Business Innovation Research Grant (Parent SBIR [R43/R44] Clinical Trial Optional)
National Institutes of Health · Deadline: Apr 5, 2027
- NIH Small Business Technology Transfer Grant (Parent STTR [R41/R42] Clinical Trial Optional)
National Institutes of Health · Deadline: Apr 5, 2027
- Reissue of RFA-FD-23-001- Clinical Studies of Orphan Products Addressing Unmet Needs of Rare Diseases (R01 Clinical Trials Required)
Food and Drug Administration · Deadline: May 16, 2028 · Up to $900,000
- Limited Competition: Small Grant Program for NHLBI K01/K08/K23/K25 Recipients (R03 Clinical Trial Optional)
National Institutes of Health · Deadline: Nov 7, 2028 · Up to $85,000
- NIH Small Business Innovation Research (SBIR) Phase IIB Strategic Breakthrough Award (Parent [R44] Clinical Trial Optional)
National Institutes of Health · Deadline: Apr 5, 2029
- SBIR/STTR Commercialization Readiness Pilot (CRP) Program (Parent SB1 Clinical Trial Optional)
National Institutes of Health · Deadline: Apr 5, 2029
- Limited Competition: Small Grant Program for Mentored Research Career Development Award Recipients (R03) (Clinical Trials Not Allowed)
National Institutes of Health · Deadline: Jul 16, 2029
- RFA-OT-18-000
Centers for Disease Control and Prevention - ERA · Deadline: Sep 30, 2030
- RFA-TP-18-000
Centers for Disease Control and Prevention - ERA · Deadline: Sep 30, 2030
- RFA-CC-18-000
Centers for Disease Control and Prevention - ERA · Deadline: Sep 30, 2030
- Small Business Growth
Wells Fargo
- Financial Health
Wells Fargo
- About NSF SBIR/STTR – Startup Funding | NSF SBIR
National Science Foundation · Up to $2,000,000
- Sustainability
Wells Fargo
- Housing Affordability
Wells Fargo
- Small Business Development Centers
DCEO (420) · Up to $525,000
- NASA SBIR/STTR FY 2026-2027 Broad Agency Announcement (BAA)
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
- Advanced Manufacturing — NSF Seed Fund
National Science Foundation · Up to $2,000,000
- Draper Richards Kaplan Foundation Grants
Draper Richards Kaplan Foundation · Up to $300,000
- Department of Education Small Business Innovation Research (SBIR) Phase IB 2026: Pre-Solicitation
EDUCATION, DEPARTMENT OF
- 2026-27 SY Express Classroom Grant Program
Park City Education Foundation
- Artificial Intelligence — NSF Seed Fund
National Science Foundation · Up to $2,000,000
- Individual Fellowships | Grants & Funding
National Institutes of Health (NIH)
- Disaster Recovery Fund
Cooperative Development Foundation
- Illinois Reproductive Health Facilities Capital Grant Program
Department of Commerce and Economic Opportunity · Up to $500,000
Showing 30 live opportunities. See all in search →