Public buyers regularly reject a large share of bids without scoring them at all. Not because the offers were weak - because they were late, incomplete, signed by the wrong person or priced in the wrong cell. In a regulated procedure the buyer often has no discretion to forgive a formal defect, even an obviously innocent one.
Here are the nine disqualifiers we see most often, roughly in order of how much money they burn.
1. Missing the deadline - by minutes
Electronic platforms close at the stated second. Uploads of large files at 17:58 for an 18:00 deadline fail every week somewhere in Europe, and case law is merciless: late is late.
The fix: treat the real deadline as 24 hours early. Upload a complete "good enough" version the day before; replace files with polished versions if time allows. Most platforms accept re-uploads until the deadline.
2. Registering on the platform too late
Many national platforms need account validation - sometimes involving qualified e-signatures or company verification that takes days. Bidders discover this on submission day.
The fix: register on the buyer's platform the day you decide to bid (day 1, not day 25), and do a test login from the machine you will submit from.
3. E-signature problems
Wrong certificate holder, expired certificate, a scanned-ink signature where a qualified electronic signature was required, or the signer lacking authority to represent the company.
The fix: identify who must sign what with which certificate during your first read of the documents. Keep powers of attorney current, and test the signature tool before the final day.
4. Incomplete ESPD coverage
One ESPD filed when three were needed - every consortium member and every capacity-providing entity must file its own. Or Part IV answered against last tender's requirements instead of this one's.
The fix: draw the bid's "entity map" (us + partners + capacity providers + key subcontractors) and tick off one ESPD per box before submission.
5. Failing a selection minimum you could have passed
The company's own turnover falls short of the minimum, or references are one short - and nobody thought to rely on the group parent or a partner, which the directives expressly allow with the right commitment forms.
The fix: check every selection minimum on day 1 with real numbers. If any is short, arrange reliance or a consortium in week 1 - not in the final 48 hours, because commitment documents need signatures too.
6. Modifying the buyer's documents
Editing the draft contract, deleting a clause from the declaration, or "improving" the pricing template's formulas. Buyers compare checksums and structures; a modified mandatory document is a textbook rejection.
The fix: mandatory forms are filled, never edited. Disagreements with the draft contract belong in the Q&A phase, where the buyer can amend for everyone - an answer published there binds the procedure.
7. Pricing-sheet arithmetic and omissions
An empty cell, a unit price given where a total was required, VAT included where excluded was demanded, or numbers that contradict between the financial form and the technical text. Some errors are clarifiable; a missing price for a line item usually is not - and an arithmetic clarification can never be used to change your offer.
The fix: two-person rule on the pricing sheet: one fills, another re-derives every total independently. Reconcile every number that appears in two places.
8. Answering the wrong question
The buyer asks for a delivery methodology for this contract; the bid ships fifteen pages of company history. Evaluators score against the published criterion wording - content that doesn't address it scores zero, however impressive.
The fix: build the technical response as a mirror of the award criteria: one section per criterion, opened with a sentence that answers it directly. Give the evaluator nowhere to lose your points.
9. Ignoring the Q&A and the corrigenda
The buyer published answers that changed a requirement, or a corrigendum moved the deadline and replaced a form - and the bid was built on the original documents.
The fix: subscribe to the notice's updates on the platform and re-check the Q&A page 48 hours before submission. On Licitop, saved-search alerts and bookmark deadlines help you track the notices; the buyer's platform remains the source of truth for documents.
The meta-mistake: starting late
Every failure above becomes likelier when preparation is compressed. The routine that prevents them costs one hour on day 1:
Day-1 checklist - register on the platform · diarise deadline -24h, Q&A cut-off and any site visit · check every selection minimum with real numbers · draw the entity map (who signs, who files an ESPD) · list every mandatory form · open a questions log.
Formal compliance is not bureaucratic decoration; it is the first round of the competition. Win it by default, and your quality and price finally get the chance to compete.
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