AFTERDRAFT

RFP vs ITB

An RFP asks for approach, qualifications, and often pricing; an ITB usually asks bidders to price defined documents in a more price-focused process.

RFP

  • Best-value selection
  • Negotiated procurement
  • Complex services or delivery methods
Read the RFP definition

ITB

  • Competitive bidding
  • Defined scope
  • Price-comparable bids
Read the ITB definition

Key differences

PointRFPITB
Selection basisApproach, team, price, schedule, and qualifications.Often price and responsiveness.
Scope maturityCan be used when approach matters.Works best when documents are complete enough to bid.
Response formatNarrative proposal plus commercial terms.Bid form, pricing, alternates, and required forms.

Example in context

A public owner may issue an RFP for CMAR services and an ITB for a trade bid package with completed drawings.

Related terms