Tenderer
A tenderer is a supplier that submits, or is invited to submit, a tender in a procurement. Some documents use tenderer for a participant at the tender stage and bidder more broadly; the defined terms in the specific notice or contract take priority.
Reviewed
At the stage where formal offers are submitted, a participating supplier is often called a tenderer. Bidder is often used as a practical synonym, while candidate or potential supplier may describe an organisation before it submits a tender. The exact meaning can differ between a notice, procedure and contract, so read the defined terms.
Why the label matters
A tenderer must follow the response instructions, deadline, communication route and declarations in the procurement. It may be a single organisation, a consortium or a lead supplier bidding with named subcontractors. The tenderer remains responsible for the accuracy and completeness of its submission, including information provided by delivery partners where the documents make that responsibility clear.
Stage and responsibility
Under current UK practice, buyers often use supplier as the broad term and tenderer for the stage at which offers are submitted. A competitive flexible procedure can have a participation stage before shortlisted suppliers are invited to tender. A supplier that expresses interest or answers an RFI is not automatically a tenderer.
For example, three firms may respond to a market questionnaire, two may pass the participation stage and both become tenderers when they submit final tenders. If one submits after the deadline, the buyer will apply the stated rules rather than treating its earlier expression of interest as a tender.
Check the tender documents for consortium, reliance and subcontracting requirements before submitting.