EOI vs RFP vs RFQ: What’s the Difference?

The Short Answer

EOI, RFP, and RFQ are three different solicitation types used at different stages, or for different kinds of purchases, under PPRA-style procurement rules. The quickest way to tell them apart: an EOIasks “are you qualified and interested?”, an RFPasks “what's your technical approach and price?”, and an RFQsimply asks “what's your price for this standard item?”

EOI — Expression of Interest

An EOI is a first-stage notice used mainly for consultancy, IT systems, and specialized technical assignments. Instead of asking for a priced bid straight away, the procuring agency asks interested firms to submit their qualifications, relevant experience, and capacity to perform the assignment. The agency then shortlists a smaller number of firms — commonly 3 to 7 — who are invited to the next stage.

You'll typically see an EOI for things like a feasibility study, a software system, an engineering design consultancy, or an advisory assignment — cases where the procuring agency needs to compare firm capability before it makes sense to ask everyone for a full costed proposal.

RFP — Request for Proposal

An RFP is the follow-on stage after an EOI shortlist (or sometimes issued directly, without a prior EOI, for smaller consultancy assignments). It asks shortlisted or interested firms for both a technical proposal (methodology, team composition, work plan) and a financial proposal (price) — usually submitted as two-envelope-bidding so the financial envelope is only opened after the technical proposal has passed evaluation.

RFPs are commonly scored using a weighted mix of technical and financial marks (Quality-and-Cost-Based Selection) rather than simply awarded to the lowest price — technical quality carries real weight in the outcome, unlike a standard goods tender.

RFQ — Request for Quotation

An RFQ is the simplest of the three, and the one most often confused with the others because “quotation” and “proposal” sound similar in everyday use. An RFQ is used for standard, off-the-shelf goods or minor works below a value threshold set by the procuring agency's rules — office supplies, standard equipment, small repair jobs. There's usually no separate technical proposal: suppliers quote a price against a short, well-defined specification, and the agency compares quotes (often three or more) and awards to the lowest responsive one.

Browse live RFQ notices on TenderPK directly. Because many low-value quotation requests are procured through a lighter, less formally advertised process than open tenders, you may also find relevant small-value purchases listed under Goods or Services — it's worth checking all three if you're specifically hunting for small-value quotation work.

Side by Side

Which One Applies to You?

If you're bidding on construction, standard goods, or routine services, you'll almost always be responding to an open tender or an RFQ, not an EOI/RFP. If you're a consultancy, advisory, design, or specialized-IT firm, expect the EOI-then-RFP path more often. Either way, the specific NITalways states exactly which process is being used and what's required at that stage — read it before assuming which of the three you're dealing with.

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