How to Run a Tender: How to Write a Specification Suppliers Can Price, Evaluate Bids in a Way That Survives Challenge, and Award a Contract That Holds

The Award You Have to Defend

Published 2026-08-20 · EuroQuest International

Quick summary

  • What it is: a structured competition that turns a defined requirement into a priced, comparable set of offers and then into one defensible award.
  • The five stages: define the need, prepare the documents, invite and answer, evaluate, award and stand still. Most failures happen in the first two.
  • The hard part: not choosing a winner. Writing a specification suppliers can price the same way, and criteria you can show you applied.
  • What gets a tender challenged: criteria invented after bids arrive, scores without written rationale, and clarifications sent to one bidder and not the rest.
  • What good looks like: one written question log shared with everyone, a scoring sheet completed before prices are opened, and an award you can explain in a paragraph.

A tender closes with five compliant bids. The evaluation panel meets, agrees a winner in twenty minutes, and someone writes the recommendation afterwards. Three weeks later an unsuccessful bidder asks how quality was weighted against price, and why a clarification about delivery windows appears in one bid and not in the others. Nobody on the panel acted improperly. What is missing is the record that would show it.

Running a tender well is mostly about building that record while the work happens rather than reconstructing it afterwards. This guide walks through the process in the order it actually runs, for public buyers bound by procurement law and for private buyers who simply want a competition that produces a good contract instead of an argument.

On this page

  1. What a tender is, and when to run one
  2. How do you define the requirement?
  3. What goes in the tender documents?
  4. How do you evaluate bids defensibly?
  5. What happens between decision and signature?
  6. Frequently asked questions
10 to 15%
The share of an economy's GDP that government procurement accounts for on average, according to the WTO
8 working days
The mandatory standstill period after a UK contract award notice is published, under the Procurement Act 2023
$9 million
The ceiling on using US federal simplified procedures for commercial products and services, rather than a full process

What a Tender Is, and When to Run One

A tender is a competition in which a buyer publishes a defined requirement, invites suppliers to submit priced offers against it, evaluates those offers by criteria stated in advance, and awards a contract to the bid that best meets them. The three elements that make it a tender rather than a negotiation are that the requirement is fixed, the criteria are published before bids are seen, and every bidder receives the same information.

Scale explains why the discipline exists. The World Trade Organization states that government procurement accounts for 10 to 15 percent of the GDP of an economy on average, and development lenders run the same machinery at scale: the World Bank's procurement guidance and tools support borrowers in 100 countries across roughly 1,600 investment projects. Where that much money moves through a repeatable process, the process itself becomes the control.

When a tender is the wrong tool

Competition costs money on both sides, and a full tender for a low-value, well-understood purchase spends more than it saves. Most regimes recognize this with lighter routes. In United States federal buying, simplified procedures may be used for commercial products and services up to $9 million, or $15 million in defined cases, above which the standard process applies. The threshold caps the procedure, not the purchase.

The same logic applies commercially. Deciding in advance which value bands get a full tender, which get three quotes, and which go to a framework is the point of a written procurement policy, and it is what advanced procurement policy development and implementation exists to produce.

Key terms

  • Specification: what the buyer needs. Output-based describes the result required; input-based prescribes the solution. Output-based invites better offers and is harder to write.
  • Award criteria: the factors used to pick a winner, with weightings, published before bids are opened. Criteria added later are the most common ground for challenge.
  • Compliance check: the pass or fail gate applied before scoring. A bid that fails is not scored, so the gate must be stated plainly.
  • Clarification: a question from a bidder or the buyer during the tender period. Answers go to all bidders, with the questioner anonymized.
  • Standstill: the pause between telling bidders the outcome and signing, so an unsuccessful bidder can challenge before the contract exists.

How Do You Define the Requirement?

Before any document is written, the buyer has to know what problem is being solved, what a good outcome looks like, and what it is worth. A tender launched to a vague internal brief produces bids that cannot be compared, because each supplier has guessed differently.

Write outputs, not solutions

Specify the result and the constraints: what must be delivered, to what standard, by when, measured how. Prescribing the method instead transfers the design risk to the buyer and rules out better ideas the market already has.

Know the market before you write

Early market engagement tells you whether the requirement is deliverable, roughly what it should cost, and how many credible suppliers exist. Three bidders where you expected ten usually means the specification was written around one incumbent. Building that intelligence into the strategy is the substance of designing and implementing effective procurement strategies.

Set the budget and the cost model together

Comparable prices require a priced schedule with the same lines for everyone. Free-form pricing produces offers that cannot be compared without rebuilding them, and rebuilding a bid is where evaluators unintentionally change it. Structuring the cost model, including whole-life cost rather than purchase price alone, is where cost analysis and expense reduction in procurement earns its place.

StageMain outputTypical failure
Define the needOutput-based specification and budgetWritten around an incumbent's solution
Prepare documentsInstructions, criteria, weightings, priced scheduleCriteria that cannot actually be scored
Invite and clarifyOne question log issued to every bidderAn answer given to one bidder only
EvaluateScores with written rationale per criterionConsensus reached first, justification written later
Award and stand stillAward notice, feedback, signed contractSigning before the pause has run

What Goes in the Tender Documents?

The pack has four jobs: tell bidders what is wanted, how to respond, how they will be judged, and what they are signing up to. Weakness in any one of them shows up later as a clarification storm or a challenge.

Instructions that remove guesswork

Deadline, format, page limits, how questions are asked, what makes a bid non-compliant, and the timetable through to award. Ambiguity here produces bids that fail on process rather than on merit, which serves nobody.

Criteria you can actually score

Every criterion needs a weighting and a scale that a panel can apply consistently. "Quality of approach, 40 percent" is not a criterion; it is a heading. What separates a score of four from a score of three has to be written down before bids arrive.

The terms, issued with the invitation

Contract terms belong in the pack from day one, not after selection. Suppliers price risk, and a term revealed late is either repriced or resisted. Where the buyer is a public body, the governing rules also shape what may be asked and how, which is the practical content of procurement governance and regulatory compliance.

One channel for questions

All questions in writing, all answers to all bidders, questioner anonymized, log published. Running that through a portal rather than an inbox is the most useful thing e-procurement and digital procurement systems do, because the audit trail builds itself.

How Do You Evaluate Bids Defensibly?

Evaluation is where a tender is won or lost as a piece of governance. The mechanics matter more than most panels expect.

Score quality before opening prices

Once a panel knows which bid is cheapest, quality scores drift toward that answer without anyone intending it. Separating the two openings is the single cheapest safeguard available.

Individual scores first, consensus second

Each evaluator scores alone with a written reason per criterion. The panel then meets to agree a consensus score, and the discussion is minuted. Starting with a group conversation produces one confident voice and four echoes.

Write the reason, not just the number

A score with no rationale cannot be defended, cannot be explained in feedback, and cannot be checked. The sentence justifying a three is also the sentence that becomes the debrief.

Check what you are buying into

Financial standing, capacity, subcontracting chains, data handling, and continuity arrangements sit alongside price and quality. A supplier that wins on paper and fails on delivery was assessed on the wrong things, which is the case for treating third-party and vendor risk as part of evaluation rather than as a later formality.

Evaluation checklist

  • Criteria, weightings and scoring scale published before the deadline and never changed after it
  • Compliance gate applied and recorded before any scoring begins
  • Quality scored and signed off before price envelopes are opened
  • Every evaluator scores independently, with a written reason per criterion
  • Consensus meeting minuted, including any score that moved and why
  • All clarifications issued to every bidder through one log
  • Conflicts of interest declared by each panel member in writing
  • The award recommendation explainable in one paragraph without reading the file

What Happens Between Decision and Signature?

A decision is not an award. Public regimes build in a pause so that an unsuccessful bidder can question the outcome while it can still be corrected. Under the Procurement Act 2023 in the United Kingdom, in force since February 2025, the mandatory standstill period is eight working days beginning with the day the contract award notice is published, with exceptions for cases such as extreme and unavoidable urgency, awards under a framework, and light touch contracts.

Private buyers have no such duty, and most benefit from imposing one anyway. A short pause between telling bidders and signing catches arithmetic errors in the price schedule, surfaces the objection that would otherwise arrive after mobilization, and costs a week.

Give feedback that is specific

Unsuccessful bidders should learn where they scored below the winner and why, in the terms of the published criteria. Vague feedback invites a challenge purely to find out what happened, and it also removes the chance that a good supplier bids better next time.

Hand over what the contract now requires

The tender documents contain commitments the delivery team has never read. Converting them into dated obligations with owners at the point of signature is the step most often skipped, and the reason performance drifts from what was promised.

Negotiate only what the rules allow

Some regimes permit post-tender clarification but not changes to the offer; others allow a negotiated phase if it was announced from the start. Knowing which conversation is permitted, and conducting it without damaging the competition, is the applied side of advanced negotiation skills for procurement executives.

A tender is not judged by whether the right supplier won. It is judged by whether you can show, from the file alone, how the winner was chosen.

EuroQuest International runs procurement and supply chain programs in London, Amsterdam, Singapore, Kuala Lumpur, and Manama, covering tendering, evaluation, contract award, supplier risk, and digital procurement for procurement and contract officers, category and project buyers, technical evaluators, and the finance and legal teams who sign off the result.

Frequently Asked Questions

What are the stages of a tender process?

Five: define the requirement and budget, prepare the tender documents including criteria and contract terms, invite bids and handle clarifications through one shared log, evaluate against the published criteria, and then award, observe any standstill, give feedback and sign. Organizations name the stages differently, but the sequence is the same, and the two most commonly rushed are the first two.

How long does a tender take?

A straightforward competition for a defined service commonly runs eight to sixteen weeks from issuing documents to signing, with the bidding window itself typically three to six weeks. Public regimes set minimum periods that must be observed, and complex or high-value requirements with site visits, presentations or negotiation phases run considerably longer. Time spent defining the requirement before launch usually shortens everything after it.

What makes a tender challengeable?

Award criteria or weightings that were changed or invented after bids were seen, scores recorded without a written rationale, information given to one bidder and not the others, a specification written so narrowly that only one supplier can meet it, undeclared conflicts of interest on the panel, and signing before a required standstill period has expired. Almost all of these are record-keeping failures rather than bad decisions.

Should price and quality be evaluated separately?

Yes. Quality should be scored and signed off before price envelopes are opened, because knowing which bid is cheapest pulls quality scores toward it without anyone intending bias. Keep the weighting between the two published in advance, use a stated formula to convert price into a score, and make sure the priced schedule forces every bidder to quote the same lines so the comparison is real.

Who should attend tendering and procurement training?

Procurement and contract officers who run competitions, category and project buyers, technical staff who sit on evaluation panels without a procurement background, budget holders who write specifications, and the legal, finance and audit colleagues who review awards. Public sector and donor-funded buyers gain most from the governance and standstill content; private buyers gain most from specification and evaluation design.

Award Contracts You Can Defend

EuroQuest International delivers procurement, tendering, supplier risk, and supply chain programs for procurement and contract officers, category buyers, technical evaluators, and the finance and legal teams who approve awards, in London, Amsterdam, Singapore, Kuala Lumpur, and Manama.

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