11 Federal Agencies (DoD, NIH, NSF, DOE, NASA, USDA, others)
SBIR Phase I Review 2026
Largest non-dilutive R&D grant — $50K–$295K for feasibility-stage technical ideas.
Who SBIR Phase I is best for
For-profit U.S. businesses under 500 employees with an R&D project aligned to a participating agency's published topic areas.
At a glance
- Award size
- $50K–$295K
- Cycle
- Multiple/yr
- Employees
- ≤500
- Application
- 20-40 hrs
Phase I feasibility grants — agency-dependent
Each agency runs its own solicitation calendar
Including affiliates
Technical narrative + budget required
Pros
- +Largest non-dilutive R&D funding pool in the U.S.
- +No repayment, no equity given up
- +11 participating agencies across diverse technical fields
- +Phase I win creates a path to Phase II at $750K–$2M+
Cons
- −R&D focus required — not for general SMB operating expenses
- −Application work is significant (20-40 hours minimum)
- −3-8 month review cycle from application to award
- −PI must be majority-employed by your company during the project
SBIR Phase I requirements
- For-profit U.S. entity
- ≤500 employees including affiliates
- Majority U.S. citizen or permanent resident ownership
SBIR Phase I alternatives
Top alternatives worth comparing from Best Small Business Grants 2026.
11 Federal Agencies (DoD, NIH, NSF, DOE, NASA, USDA, others)
SBIR Phase II
Phase I SBIR winners with demonstrated feasibility ready to move to full R&D development over 24 months.
11 Federal Agencies
STTR Phase I and II
R&D businesses pursuing technical work that genuinely requires a non-profit research institution partner (university, federal lab).
USDA Rural Development
USDA Rural Business Development Grant (RBDG)
Small businesses physically located in USDA-defined rural communities (under 50,000 population) seeking equipment, rehabilitation, training, or tech assistance funding.
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See if you qualify→Last verified at the issuer on 2026-08-16
The full lineup
See all picks in Best Small Business Grants 2026
Editorial methodology + complete ranking criteria + side-by-side comparison of all picks.
Read the full guide →Bottom line
SBIR Phase I scores 3.8 / 5 on the ClearValue Rating — a deterministic editorial composite from the product's own published fees, terms, and eligibility. Best for: For-profit U.S. businesses under 500 employees with an R&D project aligned to a participating agency's published topic areas.
◆ How we scored it
The ClearValue Rating, broken down.
- Cost
- 35%
- Fit & approval odds
- 30%
- Speed & terms
- 20%
- Transparency
- 15%
Cost (35%), Fit & approval odds (30%), Speed & terms (20%), Transparency (15%) — scored consistently across every product, independent of compensation. Full methodology →
Frequently asked
Questions about SBIR Phase I
Who is SBIR Phase I best for?+
It's geared toward for-profit U.S. businesses under 500 employees (including affiliates) with an R&D project aligned to a participating agency's published topic areas. It's not a fit for general operating expenses — the focus is feasibility-stage technical research.
How much can an SBIR Phase I award provide?+
Phase I feasibility grants typically range from $50K to $295K, with the exact amount depending on the awarding agency. The funding is non-repayable and requires no equity.
Which agencies participate in SBIR Phase I?+
Eleven federal agencies participate, including the DoD, NIH, NSF, DOE, NASA, and USDA, among others. Each agency runs its own solicitation calendar, so windows open multiple times per year across the program.
How much work does the SBIR Phase I application take?+
Plan for roughly 20 to 40 hours minimum — it requires a technical narrative and a budget. Review cycles run about 3 to 8 months from application to award, depending on the agency.
What makes SBIR Phase I stand out among small business grants?+
It's the largest non-dilutive R&D funding pool in the U.S. — no repayment and no equity given up. A Phase I win also creates a path to Phase II funding, which can reach $750K to $2M or more. ClearValue Lending is a platform that surfaces this information; confirm current topics and eligibility at sbir.gov.
Related guides
Independent editorial review. ClearValue Lending is a business & personal financing platform — not a lender, broker, or financial advisor. Some links are affiliate links; the issuer may pay a referral commission at no cost to you, which never changes the score. Specific product terms vary; verify with the issuer before applying. See privacy policy.