Learning Center · Winning Strategies

Bid Response: 3 Common Mistakes When Submitting an RFP

Most losing proposals are not outscored - they are removed before scoring. Here's the full list of what actually gets responses rejected, when in the process each failure bites, which four dates matter, and why the requirements that depend on third parties are the ones that sink bids.

By The Bid Lab Team·Published 5/3/2021·Updated 8/25/2026

Most losing proposals are not outscored - they are removed before scoring. The three failures that account for the majority of rejections are missed dates, missed requirements and a response written about the vendor rather than the buyer. All three are entirely preventable, none of them reflect on how good your business is, and all three are cheaper to fix than anything else you could do to your win rate. Here is what actually gets responses thrown out, and when in the process each one bites.

Why Do RFP Responses Get Rejected?

What goes wrongWhen it bitesHow it is prevented
Missed mandatory pre-proposal conferenceDays after release - and it is unrecoverableExtract every date from the solicitation on day one
Question deadline passedMid-window; you bid with unresolved ambiguitySubmit questions early, in writing, to the named contact
Late submissionAt the deadline; rejected unopenedSubmit a day early, not an hour early
Missing certification or licenseAt compliance screeningInventory required credentials the day you decide to bid
Missing notarization or wet signatureAt compliance screeningCheck signature rules before the final week
Wrong delivery method or copy countOn receiptRead the delivery instructions during the initial review
Generic, vendor-focused contentDuring scoring - you stay in but score lowWrite to the buyer's scope and criteria, not your brochure
Recycled text naming the wrong companyDuring scoring, and it is fatal to credibilityA second reader who has not seen the draft

Which Dates Actually Matter?

Four, and only one of them is the one most people diarize:

  1. Mandatory pre-proposal conference or site visit. If attendance is marked mandatory and you are not there, you are ineligible - no matter how strong the proposal would have been. This is the single most unrecoverable miss in bidding.
  2. Question deadline. Usually a week or two after release. Once it passes, every ambiguity in the scope becomes your risk to price and absorb.
  3. Addendum acknowledgment. Addenda often arrive late in the window and frequently require a signed acknowledgment returned with your bid. Omitting one can void an otherwise winning submission.
  4. Submission deadline. Deadlines are literal. If it closes at 4:00 pm, 4:01 pm is a rejection. Portal uploads fail, files exceed size limits and networks slow down, so finish a day early rather than an hour early. If you are already tight, our last-minute RFP guide has the go/no-go test.

Which Requirements Are Most Often Missed?

The ones handled by somebody outside your team, because they carry lead time you cannot compress:

  • Certifications and licenses. Build a checklist from the solicitation. If you lack a required credential, ask during the question period whether it can be obtained after award - sometimes it can, and it is far better to know before you invest a week.
  • Notarizations. A notary is a third party with their own schedule. Discovering a notarization requirement on the final afternoon is how good bids die.
  • Signature type. Check whether electronic signatures are accepted or wet signatures are mandatory. It is a one-line detail that invalidates a whole submission.
  • Delivery instructions. Physical delivery still exists. Three printed color copies to a specific room before a stated hour is a different logistical problem from a PDF upload, and it is not one to discover late.

A compliance matrix built at the start catches all four of these, which is why it is the first thing an experienced bidder produces.

Find the bid that fits.Search Bid Banana

Why Does Vendor-Focused Content Lose?

Because the evaluator is scoring against their requirements, not reading your marketing. Pasting the "About Us" section from your website into a cover letter tells them what you want to say rather than what they asked. The fix is specific: identify projects you have completed that directly match the scope of work, explain what you delivered and what it produced, and connect that to their project explicitly.

The mirror-image error is overproducing. If the solicitation asks strictly for SEO and paid search services, devoting half the response to your social media and design capabilities does not read as breadth - it reads as a firm that did not read the requirement. Give them what was asked for, and use the additional-information section, if one exists, for everything else. Our guide to writing a winning bid covers how to make that content land once you have chosen it.

How Much Does a Final Review Actually Catch?

Enough that skipping it is the worst economy in bidding. A real example: a client came to us after losing a bid they could not understand losing. They had answered every question thoughtfully, met every requirement and hit every deadline. The problem took about a minute to find - a paragraph recycled from an earlier proposal still carried the other company's name, in the last paragraph of an 88-page document. The reviewers finished reading on that note. Every other page of strong content was undone by one find-and-replace nobody checked.

Two readers, minimum, at least one of whom has not been writing it. They should check the response against the requirements list, verify every certification and signature, and read the recycled sections specifically for stale names, dates and project references. A structured proofread of the bid documents is a distinct pass from a compliance check, and both need to happen.

What Should You Do If You Have Already Lost One?

Ask for the debrief and find out which of these it was. Rejections for compliance and losses on score are completely different problems with completely different fixes, and guessing between them wastes the next bid too. If the answer is that you were removed before scoring, that is genuinely good news: it is the cheapest category of failure to eliminate permanently. Once compliance is reliable, the five steps to winning business with RFPs is where the score itself gets improved.

See It in a Real Bid

Every item on this list is visible in the front matter of a live solicitation if you know to look for it. Open one and try extracting the dates and required credentials before you read anything else. Search open bids on Bid Banana.

Frequently asked questions

Why do RFP responses get rejected?

Most are removed before scoring rather than outscored. The three dominant causes are missed dates - a mandatory pre-proposal conference, the question deadline or the submission deadline - missing requirements such as certifications, notarizations or signatures, and content written about the vendor rather than the buyer's stated scope and criteria.

What is the most unrecoverable mistake in bidding?

Missing a mandatory pre-proposal conference or site visit. If attendance is marked mandatory and you are not there, you are ineligible regardless of how strong your proposal would have been, and no amount of quality afterwards can fix it. Extract every date from the solicitation on the first day you read it.

Which RFP requirements get missed most often?

The ones that depend on a third party and therefore carry lead time: certifications and licenses you do not yet hold, notarizations that need an appointment, wet signatures where you assumed electronic was fine, and physical delivery instructions requiring printed copies to a specific location before a stated hour.

Why does generic content lose bids?

Because evaluators score against their own requirements, not your marketing. Pasting an About Us section into a cover letter answers a question nobody asked. Overproducing has the same effect in reverse: responding to a request for two specific services with half a document about everything else reads as a firm that did not read the requirement.

How many people should review a bid before submission?

At least two, one of whom has not been writing it. They should check the response against the requirements list, verify every certification and signature, and read recycled sections specifically for stale company names, dates and project references - the single most credibility-destroying error is text that still names a different client.

Writing Your Response