Improve your tender win rate: find what costs you bids
Improving your tender win rate starts with finding where your bids are falling short. Sometimes the problem sits in which opportunities you chase or how well you understand the buyer, and sometimes it’s the evidence, the price or the review. If it started before anyone opened the response document, another late-night rewrite will only polish the same answer.
Start with the numbers, then follow the lost marks to see where they’re going.
What is a tender win rate?
Your tender win rate is the percentage of submissions you win. Divide wins by submissions and multiply by 100: 4 wins from 10 bids gives a 40% win rate.
The bid win ratio expresses the same result. To understand what’s costing you bids, separate different opportunities, compare evaluation feedback and track the changes your team makes.
Key takeaways
- Compare similar bids before setting targets.
- Track scores, bidding costs and margin alongside wins.
- Use feedback to change the next submission.
1. Calculate a rate you can trust
Agree what counts before comparing results. Otherwise, two people can produce different percentages from the same pipeline.
Use a consistent denominator
For performance reviews, use submitted bids with known outcomes. Report pending decisions separately. Keep cancelled procurements and opportunities declined before submission outside that calculation.
Count disqualified submissions as unsuccessful bids. They used resources and reveal a problem worth addressing.
Where lots receive separate awards, track them separately and consistently. Record framework appointments separately from call-off contract wins.
Compare similar opportunities
Win rates vary between procurement routes, so one combined figure can hide where you’re strong and where you’re losing marks. Private-sector opportunities also vary by route. Framework appointment needs its own measure because appointment alone doesn’t guarantee revenue.
Build a useful bid log
A spreadsheet is enough to start. Record one row per bid or separately awarded lot, using agreed outcome categories. When sales teams pass opportunities to bid leads, assign an owner to each record.
These fields turn a results list into something you can act on.
| Field | What to record |
|---|---|
| Opportunity | Buyer, reference, sector, route and lot |
| Commercial position | Contract value, expected margin and bid cost |
| Decision | Bid/no-bid rationale and approval owner |
| Outcome | Won, lost, disqualified, pending or cancelled |
| Evaluation | Quality, price and social value scores; buyer comments |
| Improvement | Required change, named owner and completion date |
With these fields filled in, you can trace each result back to the buyer, the route and the scores, and see what the team agreed to change.
Keep the buyer’s feedback alongside your own interpretation and label which is which. If the feedback says your price score was lower, check the scoring and where the winning bid landed before deciding you were too expensive.
Review results quarterly or over a rolling year, because small monthly samples can swing sharply. At each review, check which actions have been completed and whether they’ve made a difference on similar opportunities.
A higher win rate can still produce less revenue if you’re winning smaller contracts, so track contract value alongside the percentage.
2. Decide bid/no-bid early
An unsuitable opportunity can absorb the same evenings as a strong prospect. Give the decision an owner and record five answers.
- Does this contract support our business goals?
- Can we demonstrate comparable delivery?
- Does the value justify bidding costs, delivery risk and expected margin?
- What advantage can we evidence against the likely competition?
- Do we have capacity to bid properly and deliver successfully?
Our bid/no-bid decision guide takes you through these questions in more detail. Revisit the decision if the scope, partners, pricing or your capacity changes.
If it’s a public contract above the 2026 procurement thresholds, the ITT will set out which procedure the buyer is using, so check it early.
3. Find where you lose marks
A submission can be complete and polished and still leave evaluators without enough reasons to award marks.
Understand the buyer’s delivery pressures
Start with what the buyer needs to achieve. What must improve? Where could delivery fail? What would make mobilisation credible?
Teams pursuing major opportunities often begin months, sometimes years, before the formal request arrives. They use legitimate market engagement to gather buyer intelligence and shape strategy, organisational responsibilities and partnering.
Then turn that intelligence into decisions about who will deliver, which partners you need and what evidence you’ll have to gather.
A bid strategy gives everyone contributing the same starting point, built around the buyer’s operational concerns as well as the clauses in the specification.
Make your offer credible against the criteria
Under the Procurement Act 2023, contracts go to the Most Advantageous Tender, judged against the published award criteria. The government’s guidance on assessing competitive tenders explains how buyers apply them.
Quality, price and social value can all contribute. Social value can carry 10% or more, depending on the applicable model and published weighting.
For each answer, connect your commitment to a delivery method, responsible role and relevant proof. Explain measurable outcomes and how performance will be reported.
Agree a small set of win themes before drafting, and make sure each one has evidence behind it and a clear link to this buyer.
A policy shows the buyer that a control exists, and your performance records show them how well it works.
4. Protect writing and review time
Most SME teams are fitting bids around delivering the services they already run. If the timetable doesn’t allow for that, evidence gathering and review get pushed into the final evening.
Build the timetable backwards from the deadline. Writing is only one part of it, so leave time for interviews, pricing, sign-off and uploading to the portal.
Use storyboarding to map each answer to its criterion, delivery method and proof before drafting starts. Give subject matter experts clear requests and deadlines. Keep one approved evidence bank and one person accountable for the final submission.
An independent tender submission review tests whether the evaluator can find the answer, follow the delivery logic and award the marks.
Book the review early enough that the team still has time to act on the feedback.
5. Debrief every result
Request buyer feedback after wins as well as losses. A successful submission can still contain weak sections worth improving.
Read the comments alongside your response and the scoring criteria, then sort each point by type: compliance, evidence, price or delivery.
Our tender debrief guidance walks through turning feedback into changes. Give each action an owner, then update the evidence bank, answer plans or bid/no-bid criteria. If you’d like a second pair of eyes on the feedback, our Bid Debrief takes you through what the evaluator saw and what to change next time.
One disappointing result may come down to that buyer, so look across several submissions before drawing conclusions. Low mobilisation scores on three bids in a row point to something worth fixing.
Predictive analysis has potential too. A PSO-optimised procurement prediction study reported ROC-AUC of 0.92, accuracy of 0.89 and F1-Macro of 0.80.
Those figures describe how the model performed on the study’s own data, so they say very little about your next bid.
For most SMEs, a complete bid log and a review habit that changes decisions are the practical starting point.
Mistakes that hide the real problem
Two habits make the real problem harder to see. The first is cutting price before you understand the scores. A lower price can’t fill gaps in your evidence or a thin mobilisation answer, so read the quality and price feedback together before changing your commercial approach.
Check your pricing covers the delivery model too, including reporting, contract management and any extra commitments. Winning work that erodes your margin creates a new problem for the same team.
The second habit is treating every loss as a writing failure. Poor opportunity selection, stretched capacity or the wrong delivery model can defeat a well-written response. Before commissioning another rewrite, ask whether the team chose the right opportunity, whether the offer was competitive and whether the evaluator could award marks confidently, then fix that part of the process.
Frequently asked questions
Make the next improvement specific
Your tender win rate becomes useful when it changes a decision. Find one repeated weakness, give someone responsibility for fixing it and review the next result.
At Bidsmithery™, our bid reviews and ongoing support help your team strengthen scoring, evidence and clarity while building internal capability.
If you’d like an honest view of what’s costing you marks, book a fit check call. We’ll talk through the support that fits your pipeline.
Meet the author
Melissa Howard knows what evaluators look for, because she’s been one. She founded Bidsmithery™ after 15 years writing, managing and scoring bids across more than 10 sectors, and in the past three years her clients have won more than £103m in contracts.
The Bidsmithery™ secret sauce is simple: your team writes the bid, and Melissa reviews it before you submit, showing you where you’re losing marks and how to fix them. She also trains teams, so every bid gets easier.
