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SBIR and STTR guides

SBIR and STTR fund research and development at small U.S. companies, usually a Phase I feasibility award followed by a larger Phase II. These guides cover both phases, the STTR research-partner rule, how to write the proposal, and who has won before.

Guides

15 guides in SBIR / STTR

SBIR / STTRUpdated October 2026

SBIR Phase I Grant 2026: Funding, Eligibility & Deadlines

SBIR Phase I grants fund feasibility R&D for U.S. companies. Compare NSF's $305K cap, NIH's September 5 deadline, eligibility, STTR, and agency routes.

SBIR / STTRUpdated October 2026

SBIR Grants 2026: Phase I, Phase II, STTR, NIH, NSF

Compare SBIR Phase I, Phase II, STTR, NIH, NSF, rural business, and production paths, with award caps, before choosing an agency.

SBIR / STTRUpdated October 2026

DOD Grants & Funding Guide 2026: SBIR, DARPA, BAAs & More

Find current defense research, SBIR/STTR, BAA, grant, and contract routes, then follow the applicable announcement and component instructions.

SBIR / STTRUpdated October 2026

STTR Guide 2026: Research Partner Requirements

STTR guide to the 40/30 partner split, IP rules, the 6 agencies, the 2026 reauthorization through 2031, and when SBIR is the better route.

SBIR / STTRUpdated October 2026

SBIR Phase 3 Commercialization Guide (2026)

SBIR Phase 3 isn't a grant. It's sole-source contracts and commercial sales with no dollar cap. Learn the 2026 rules and how Phase II firms get there.

SBIR / STTRUpdated October 2026

SBIR vs STTR Differences Explained (2026)

SBIR requires 66% in-house work. STTR requires a research institution partner. Compare funding, eligibility, and PI rules to pick the right program.

SBIR / STTRUpdated October 2026

SBIR Success Stories: 7 Companies That Won Big

7 verified SBIR success stories, from Qualcomm and Symantec to 23andMe. Learn 5 patterns that separate companies that commercialize from the rest.

SBIR / STTRUpdated October 2026

SBIR Phase II Winners and Award History

SBIR Phase II winners from about 99 NSF 2025 records, SBIR.gov source checks, estimated award totals, state patterns, and apply or wait guidance.

SBIR / STTRUpdated October 2026

SBIR Agencies Comparison: 6 Programs Ranked (2026)

Compare SBIR programs at 6 agencies: Phase I caps from $181,500 (USDA) to $323,090 (NIH), review styles, portals, and 2026 reauthorization rules.

SBIR / STTRUpdated October 2026

SBIR Phase I Winners and Award History

SBIR Phase I winners and award history in 2026: SBIR.gov data sources, Grants.gov opportunity checks, NSF sample records, award amounts, and fit guidance.

SBIR / STTRUpdated October 2026

SBIR Phase 2 Guide: Awards & How to Apply (2026)

SBIR Phase 2 pays up to $1.25M at NSF and a $2.15M guideline at NIH. Learn eligibility after Phase I, timelines, and what reviewers want in 2026.

SBIR / STTRUpdated October 2026

DARPA Funding Guide: BAAs, SBIR/STTR, and OTs

Find 4 DARPA funding instruments, current BAAs, research announcements, SBIR/STTR, contracts, grants, and Other Transactions.

SBIR / STTRUpdated October 2026

SBIR Commercialization Plan 2026: Complete Writing Guide

SBIR Phase II commercialization plan: what reviewers score, how to write a market analysis, and the 5 elements that separate funded from unfunded plans.

SBIR / STTRUpdated October 2026

SBIR First Time Applicant Guide (2026)

First SBIR application in 2026? Check registration, agency fit, Project Pitch rules, Company Registry, and proposal timing before drafting.

SBIR / STTRUpdated October 2026

How to Write an SBIR Proposal (2026 Guide)

Write an SBIR proposal that survives review: 5 core sections, scoring criteria, NIH and NSF font rules, and agency-specific review signals.

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