EOI (Expression of Interest)

An Expression of Interest is a non-binding market engagement tool used by contracting authorities before committing to a full procurement process. It allows buyers to assess whether sufficient qualified suppliers exist, understand market capability, and in some cases build a longlist for a subsequent restricted procedure or pre-qualification process.

EOIs are common in infrastructure, defence, and large IT projects where the buying authority wants early engagement to refine requirements. International development banks frequently issue EOIs as the first step in a consultancy or works procurement, inviting firms to submit credentials so that a shortlist can be drawn for Request for Proposal stage.

For vendors, responding to an EOI is a relatively low-cost opportunity to register interest and establish early visibility with a buyer. EOI responses typically include company profile, relevant experience, key personnel CVs, and financial capacity indicators. Importantly, a response does not guarantee inclusion in the subsequent process — the buyer may shortlist down to three to six firms. Missing an EOI can mean missing the whole contract cycle, so market scanning for EOIs should be part of any proactive BD pipeline.