When bidding for public sector contracts, you can offer the best service at the best price and still lose out on work. The quality of your bid writing plays a huge role in whether your submission scores highly, or gets ruled out before evaluation even begins.
Our Bid Support team works with dozens of public sector suppliers every year and maintains a success rate of over 70%. When conducting bid reviews for our clients, we consistently see the same avoidable mistakes appearing again and again. The good news is that most of them are easy to fix once you know what to look for.
Here are the five most common bid writing mistakes we see and how you can avoid them in your next submission.
One of the most damaging mistakes in bid writing is failing to fully understand the requirements.
Too many suppliers skim through the documents, assume they understand what is being asked, and move straight into writing responses.
Unfortunately, this can lead to missing mandatory requirements, exceeding word counts, failing to answer specific questions, or overlooking key attachments. This can lead to non-compliant bids getting disqualified before scoring even begins.
Our tips on how to avoid making this mistake:
Many suppliers avoid clarification questions because they worry it will make them appear inexperienced or unqualified.
However, clarification questions exist for a reason and contracting authorities expect suppliers to use them. If something is unclear, ambiguous, or missing detail, asking a clarification question can prevent costly assumptions and improve the quality of your response.
It demonstrates engagement and a genuine commitment to understanding the buyer’s requirements properly.
Another common weakness in bid responses is making broad statements without backing them up.
For example, many bids include phrases such as:
These statements mean very little on their own. Buyers are looking for evidence, explanation, and outcomes. If you make a claim, you need to prove it.
Ask yourself: What systems or processes are in place that support your claims?
Even a strong response can lose marks if it is difficult to follow.
Contracting authorities often review large numbers of submissions under strict time constraints. If your answers are unclear, disorganised, or difficult to navigate, important information can easily be missed.
Well-structured responses help evaluators quickly identify that you have answered every part of the question.
One of the biggest differences between average bids and high-scoring bids is tailoring. Generic responses that could be copied into any tender may save you some time, but they rarely stand out. Buyers want to know why your organisation is the right fit for their contract specifically.
Strong bids demonstrate understanding of:
This is where win themes become important. Instead of simply saying “we can deliver the service,” you should explain why your approach delivers additional value for that particular authority.
A lot of failed bids are not lost because the supplier lacks capability or because they are competing with bigger companies. They are lost because the bid doesn’t communicate their capability effectively.
By avoiding these five common mistakes, you can significantly improve the quality, clarity, and competitiveness of your bids.
After all, strong bid writing is about making it easy for contracting authorities to give you marks. The clearer, more relevant, and more evidence-based your responses are, the stronger your chances of success will be.
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