How Government Evaluators Score Proposals: Outstanding To Unacceptable
Short answer: evaluators read your proposal against the factors in the solicitation and list its strengths, weaknesses, and deficiencies. Those findings roll up into a rating. In Department of Defense source selections, the technical rating scale runs Outstanding, Good, Acceptable, Marginal, and Unacceptable. One deficiency can make a proposal Unacceptable, no matter how good the rest of it is.
If you know how the scoring works, you can write for it. Here is the system in plain English.
Rule One: Only The Stated Factors Count
The federal rules say agencies must evaluate each competitive proposal based solely on the factors and subfactors in the solicitation. That is why Section M (or the evaluation provision in a commercial solicitation) is the most important part of the package. If you have not read it closely, start with our guide to Section L and Section M.
When the agency uses a tradeoff, the evaluation must include an assessment of your ability to do the work and an evaluation of the relative strengths, deficiencies, significant weaknesses, and risks in your proposal.
The Building Blocks: What Evaluators Write Down
The Department of Defense Source Selection Procedures (the guide DoD source selection teams follow, still referenced in the DFARS guidance as of 2026) define the terms evaluators use. In plain words:
Finding | What It Means |
|---|---|
Strength | Something in your proposal with merit, or that exceeds a requirement in a way that helps the government |
Significant Strength | A strength with appreciable merit, or that exceeds requirements to the government's considerable advantage |
Weakness | A flaw that increases the risk of unsuccessful performance |
Significant Weakness | A flaw that appreciably increases that risk |
Deficiency | A material failure to meet a government requirement, or a combination of significant weaknesses that raises the risk to an unacceptable level |
Uncertainty | Something unclear, where your intent can be read more than one way |
Notice what a deficiency is: a material failure to meet a requirement. A missing required plan, an unnamed key person the solicitation required, a required license never shown. That is why a well-written proposal with one missing piece can still be rated Unacceptable.
The Five Technical Ratings
DoD source selections that combine technical merit and risk use these ratings, each tied to a color:
Color | Rating | In Plain Words |
|---|---|---|
Blue | Outstanding | Exceptional approach and understanding, multiple strengths or at least one significant strength, and low risk |
Purple | Good | Thorough approach and understanding, at least one strength, and low to moderate risk |
Green | Acceptable | Meets the requirements with an adequate approach, and risk no worse than moderate |
Yellow | Marginal | Has not shown an adequate approach and understanding, or the risk is high |
Red | Unacceptable | Does not meet the requirements and contains one or more deficiencies, or the risk is unacceptably high. Not awardable |
Read the pattern. Acceptable means you met the requirements. You get to Good and Outstanding with strengths. And you fall to Unacceptable with a single deficiency.
Civilian agencies often use similar scales, but they are free to use their own words, numbers, or pass and fail ratings. The solicitation tells you which one applies.
How Past Performance Is Rated
Past performance usually gets its own rating, built from three questions: is the work recent, is it relevant, and how well did you perform?
Relevance (DoD scale): Very Relevant (essentially the same scope, size, and complexity), Relevant (similar), Somewhat Relevant (some of it), and Not Relevant (little or none).
Confidence (DoD scale):
Rating | In Plain Words |
|---|---|
Substantial Confidence | High expectation you will succeed, based on your recent, relevant record |
Satisfactory Confidence | Reasonable expectation you will succeed |
Neutral Confidence | No recent, relevant record, or too little to judge |
Limited Confidence | Low expectation you will succeed |
No Confidence | No expectation you will succeed |
If you have no relevant record, the rules say you may not be evaluated favorably or unfavorably on past performance. That is the Neutral rating. It will not sink you, but a competitor with a strong record may still be preferred in a tradeoff.
Lowest Price Technically Acceptable Is Different
Under a lowest price technically acceptable (LPTA) approach, proposals are evaluated for technical acceptability only. There are no extra points for an outstanding approach. You are either acceptable or you are not, and the lowest priced acceptable offer wins. Under LPTA, past performance (when it is evaluated) is also judged acceptable or unacceptable, without comparing offerors.
How To Write For A Higher Rating
Answer every requirement first. Deficiencies are fatal. Use a compliance matrix before you polish anything.
Make strengths easy to find. Put the benefit in the first sentence of a paragraph: what you will do, and why it helps the government (less risk, faster delivery, better quality).
Exceed requirements only where it helps. A strength is an advantage to the government, not just extra effort.
Prove it. Back claims with specifics: names, numbers, dates, certifications, and past results the evaluator can verify.
Remove uncertainty. If a sentence could be read two ways, rewrite it. Evaluators score what is clear.
Name the risk and the fix. If part of the work is hard, say how you will manage it. That lowers the risk rating.
Use The Debriefing
If you lose, ask for a debriefing. For commercial buys, the debriefing information described in FAR 52.212-1 includes the agency's evaluation of the significant weak or deficient factors in your offer and the overall rating of the winner and of your offer. That is free coaching for your next bid.
Check Your Draft Before They Do
Most small businesses never see their proposal the way an evaluator sees it until the debriefing, after the money is gone. GradeTheBid grades your draft against the solicitation on the same five ratings, Outstanding to Unacceptable, lists the strengths and weaknesses it finds, and flags anything that reads like a deficiency. For low-bid solicitations, it runs a pass or fail Responsiveness Check instead. See the most common deficiencies in our list of why government proposals get rejected.
Get Your Free Proposal Grade
Know your rating before you submit, and get a ranked list of what to fix first.
No credit card. No win promises. Just a clear list of what to fix before you submit. GradeTheBid never submits anything to the government. You download your files and submit them yourself.
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Keep Reading
Sources
DFARS PGI 215.3, Source Selection (Refers To The DoD Source Selection Procedures Memo Of August 20, 2022), Acquisition.gov
FAR Overhaul Part 15 (15.202, Evaluating Competitive Proposals), Acquisition.gov
FAR 15.305, Proposal Evaluation (Long-Standing FAR Text), Acquisition.gov
FAR 52.212-1, Instructions To Offerors, Commercial Products And Commercial Services (Debriefings), Acquisition.gov
A note on rule numbers: in 2025 the federal government began rewriting the Federal Acquisition Regulation (the Revolutionary FAR Overhaul). Most agencies now use overhaul deviation text, and the formal rule was still in progress in October 2026, so a section number in your solicitation may differ from the one cited here. When they differ, follow your solicitation. GradeTheBid is not a law firm, and this article is general education, not legal advice.
