TRL Reference Guide TRL 1–2: Basic principles observed; concept formulated TRL 3: Proof of concept — analytical or lab validation TRL 4: Component validated in laboratory environment TRL 5: Component validated in relevant environment TRL 6: System prototype demonstrated in relevant environment TRL 7: System prototype demonstrated in operational environment TRL 8: System complete and qualified through testing TRL 9: System proven in operational environment
TRL 1–3: Concept / Early Research Basic principles, concept formulated, or initial proof of concept. No working prototype yet. Typical entry point for Phase I.
TRL 4–5: Working Prototype Component or system validated in lab or relevant environment. Typical entry for Phase II or Direct-to-Phase-II.
TRL 6–7: Demonstrated System Prototype demonstrated in relevant or operational environment. Strong position for Phase II or Phase III transition.
TRL 8–9: Production Ready System qualified and proven in operational environment. Candidate for Strategic Breakthrough Award or Phase III.
Question 3 of 6
Who is your primary target customer?
U.S. Federal Government / Military
Commercial / Private Sector
Both Government and Commercial (dual-use)
Academic / Research Institutions
Question 4 of 6
Have you received SBIR/STTR funding before?
No — this would be our first application
Yes — we have Phase I award(s)
Yes — we have Phase II award(s)
Yes — multiple awards across agencies
Question 5 of 6
How large is your company?
Solo founder / 1–2 people
3–15 employees
16–100 employees
100–500 employees
Question 6 of 6
What is your most important goal?
Validate a new concept with non-dilutive funding
Fund R&D to develop a working product
Scale a proven technology to production
Get a government contract or acquisition pathway
Your Recommended Agencies
Based on your answers, here are the agencies best suited to your technology and goals.
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